A

Abele, Eberhard ; Fischer, Jakob ; Hardt, Steffen ; Manukyan, S. ; Roisman, Ilia V. (2011):
Komplexe Oberflächen mit maßgeschneiderter Benetzbarkeit.
In: forschen 1/2011, pp. 50-55. [Article]

B

Baier, Tobias ; Hardt, Steffen (2020):
Gas separation in a Knudsen pump inspired by a Crookes radiometer.
24, In: Microfluidics and Nanofluidics, (6), ISSN 1613-4982,
DOI: 10.1007/s10404-020-02342-6,
[Article]

Baier, Tobias ; Tiwari, Sudarshan ; Shrestha, Samir ; Klar, Axel ; Hardt, Steffen (2018):
Thermophoresis of Janus particles at large Knudsen numbers.
In: Physical Review Fluids, 3 (094202), ISSN 2469-990X,
DOI: 10.1103/PhysRevFluids.3.094202,
[Article]

Barz, Dominik P. J. ; Scholz, Mathias ; Hardt, Steffen (2018):
Electrokinetic manipulation of the von Kármán vortex street in the wake of a confined cylinder. I. DC electric field.
In: Physics of Fluids, 30 (8), pp. 082004. ISSN 1070-6631,
DOI: 10.1063/1.5037595,
[Article]

Bandopadhyay, A. ; Hardt, Steffen (2017):
Stability of horizontal viscous fluid layers in a vertical arbitrary time periodic electric field.
In: Physics of Fluids, 29 (124101), [Article]

Baier, Tobias ; Hardt, Steffen ; Shahabi, Vahid ; Roohi, Ehsan (2017):
Knudsen pump inspired by Crookes radiometer with a specular wall.
In: Physical Review Fluids, 2 (3), pp. 033401. ISSN 2469-990X,
[Article]

Baier, T. ; Dölger, J. ; Hardt, Steffen (2014):
Energy harvesting through gas dynamics in the free molecular flow regime between structured surfaces at different temperatures.
In: Phys. Rev., 89 (5), [Article]

Babu, Deepu J. ; Varanakkottu, Subramanyan Namboodiri ; Eifert, Alexander ; Koning, Dirk de ; Cherkashinin, Gennady ; Hardt, Steffen ; Schneider, Joerg J. (2014):
Inscribing Wettability Gradients Onto Superhydrophobic Carbon Nanotube Surfaces.
In: Advanced Materials Interfaces, 1 (2), p. 1300049. Wiley-VCH Verlag GmbH, ISSN 2196-7350,
DOI: 10.1002/admi.201300049,
[Article]

Baier, T. ; Dupeux, G. ; Herbert, Stefan ; Hardt, Steffen ; Quéré, D. (2013):
Propulsion mechanisms for Leidenfrost solids on ratchets.
In: Physical Review, 87 (2), ISSN 0556-2813,
[Article]

Bhattacharyya, S. ; Gopmandal, P. P. ; Baier, T. ; Hardt, Steffen (2013):
Sample dispersion in isotachophoresis with Poiseuille counterflow.
In: Phys. Fluids , 25 (022001), [Article]

Banerjee, U. ; Bit, P. ; Ganguly, R ; Hardt, Steffen (2012):
Aggregation dynamics of particles in a microchannel due to an applied magnetic field.
In: Microfluid. Nanofluid., 13, pp. 565-577. [Article]

Baier, Tobias ; Herbert, Stefan ; Hardt, Steffen (2012):
Leidenfrost solids on structured surfaces.
Proceedings of the 3rd European Conference on Microfluidics, Heidelberg, Germany, December 3-5, 2012,, [Conference or Workshop Item]

Baier, T. ; Schönfeld, F. ; Hardt, Steffen (2011):
Analytical approximations to the flow field induced by electroosmosis during isotachophoretic transport through a channel.
In: Journal of Fluid Mechanics, 682, pp. 101-119. [Article]

Baier, Tobias ; Steffes, Clarissa ; Hardt, Steffen (2010):
Thermocapillary flow on superhydrophobic surfaces.
In: Physical Review E, 82 (037301), ISSN 1539-3755,
[Article]

Baier, T. ; Steffes, C. ; Hardt, Steffen (2010):
Numerical modeling of thermocapillary flow on superhydrophobic surfaces.
pp. 1799-1801, Proc. µTAS2010, 14th Int. Conf. Miniaturized Systems for Chemistry and Life Sciences, Groningen, 03.-07.10.2010, [Conference or Workshop Item]

Baier, Tobias ; Mohanty, S. ; Drese, K. S. ; Rampf, F. ; Kim, J. ; Schönfeld, F. (2009):
Modelling Immunomagnetic Cell Capture in CFD.
In: Microfluid. Nanofluid., 7, pp. 205-216. [Article]

Baier, Tobias ; Hansen-Hagge, T. E. ; Gransee, R. ; Crombé, A. ; Schmahl, S. ; Paulus, C. ; Drese, K. S. ; Keegan, H. ; Martin, C. ; O'Leary, J. J. ; Furuberg, L. ; Solli, L. ; GrØnn, P. ; Falang, I. M. ; Karlgård, A. ; Gulliksen, A. ; Karlsen, F. (2009):
Hands-free sample preparation platform for nucleic acid analysis.
In: Lab on a Chip, 9, pp. 3399-3405. [Article]

Baier, T. ; Kolb, G. ; Schürer, J. ; Tiemann, D. ; Ziogas, A. ; Ehwald, H. ; Alphonse, P. (2008):
A Microstructured 5 kW Complete Fuel Processor for Iso-octane as Hydrogen Supply system for Mobile Auxiliary Power Units Part I – Development of Autothermal Reforming Catalyst and Reactor.
In: Chem. Eng. J., 137, pp. 653-663. [Article]

Baier, T. ; Hansen-Hagge, T. E. ; Gransee, R. ; Crombé, A. ; Schmahl, S. ; Drese, K. S. ; GrØnn, P. ; Solli, L. ; Falang, I. M. ; Martin, C. ; Keegan, H. ; Furuberg, L. (2008):
Automated chip-based extraction of HPV mRNA from cervical sampler.
Proc. µTAS2008, 12th Int. Conf. Miniaturized Systems for Chemistry and Life Sciences, San Diego, 12.-16.10.2008, [Conference or Workshop Item]

Baier, T. ; Mohanty, S. ; Drese, K. S. ; Rampf, F. R. ; Schönfeld, F. (2008):
Modelling Immunomagnetic Cell Capture in CFD.
Proc. Sixth International ASME Conference on Nanochannels, Microchannels and Minichannels, ICNMM2008, Darmstadt, 23.-25.06.2008, [Conference or Workshop Item]

Baier, T. ; Kolb, G. (2007):
Temperature control of the water gas shift reaction in micro structured reactors.
In: Chem. Eng. Sci., 62, pp. 4602-4611. [Article]

Baier, T. ; Hardt, Steffen (2007):
A mean-field model for heat transfer in multichannel microreactors.
In: AIChE J., 53, pp. 1006-1016. [Article]

Baier, T. ; Drese, K. S. ; Schönfeld, F. ; Schwab, U. (2005):
A µ-Fluidic Mixing Network.
In: Chem. Eng. Technol., 28, pp. 362-366. [Article]

Baier, T. ; Drese, K. S. (2005):
Modelling Counter Current Micro Heat Exchangers.
23, Proc. ECI Conference Heat Transfer and Fluid Flow in Microscale, HTFFM 2005, Castelvecchio Pascoli, 2005, [Conference or Workshop Item]

Baier, T. ; Drese, K. S. (2004):
CFD and analytical modelling of micro heat exchangers.
Proc. NAFEMS CFD-Seminar: Die Simualtion komplexer Strömzungsvorgänge (CFD), Niedernhausen/Wiesbaden, 2004, [Conference or Workshop Item]

C

Cominos, V. ; Hardt, Steffen ; Hessel, V. ; Kolb, G. ; Löwe, H. ; Wichert, M. ; Zapf, R. (2005):
A methanol steam micro-reformer for low power fuel cell applications.
In: Chem. Eng. Comm., 192, pp. 685-698. [Article]

D

Dehe, Sebastian ; Rehm, Imke-Sophie ; Hardt, Steffen (2021):
Hydrodynamic dispersion in Hele-Shaw flows with inhomogeneous wall boundary conditions.
In: Journal of Fluid Mechanics, 925, pp. A11. Cambridge University Press, DOI: 10.1017/jfm.2021.648,
[Article]

Dehe, Sebastian ; Rofman, Baruch ; Bercovici, Moran ; Hardt, Steffen (2020):
Electro-osmotic flow enhancement over superhydrophobic surfaces.
In: Physical Review Fluids, 5, pp. 053701. ISSN 2469-990X,
DOI: 10.1103/PhysRevFluids.5.053701,
[Article]

de Maleprade, Hélène ; Soto, Dan ; Quéré, David ; Hinch, E. John ; Baier, Tobias ; Schür, Maximilian T. ; Hardt, Steffen (2018):
Air-propelled, herringbone-textured platelets.
In: Physical Review Fluids, 3 (104101), ISSN 2469-990X,
DOI: 10.1103/PhysRevFluids.3.104101,
[Article]

Damian, I.R. ; Hardt, Steffen ; Balan, C. (2017):
From flow focusing to vortex formation in crossing microchannels.
In: Microfluidics and Nanofluidics, 21 (142), [Article]

Dietzel, Mathias ; Hardt, Steffen (2017):
Flow and streaming potential of an electrolyte in a channel with an axial temperature gradient.
In: Journal of Fluid Mechanics, 813, pp. 1060-1111. ISSN 0022-1120,
[Article]

Dörr, A. ; Hardt, Steffen ; Masoud, H. ; Stone, H. A. (2016):
Drag and diffusion coefficients of a spherical particle attached to a fluid interface.
In: Journal of Fluid Mechanics, 790, pp. 607-618. ISSN 1469-7645,
[Article]

Dietzel, Mathias ; Hardt, Steffen (2016):
Thermoelectricity in confined liquid electrolytes.
In: Physical Review Letters, 116 (22), p. 225901. ISSN 0031-9007,
[Article]

De, Simanta ; Bhattacharyya, Somnath ; Hardt, Steffen (2015):
Electroosmotic flow in a slit nanochannel with superhydrophobic walls.
In: Microfluidics and Nanofluidics, 19 (6), pp. 1465-1476. [Article]

Dörr, A. ; Hardt, Steffen (2015):
Driven particles at fluid interfaces acting as capillary dipoles.
In: Journal of Fluid Mechanics, 770, pp. 5-26. ISSN 0022-1120,
[Article]

Dörr, Aaron (2015):
Microparticles at fluid-fluid interfaces : modeling of electric double layers and capillary effects.
TU Darmstadt,
[Ph.D. Thesis]

Doerr, Aaron ; Hardt, Steffen (2014):
Line tension and reduction of apparent contact angle associated with electric double layers.
In: Physics of Fluids, 26 (082105), ISSN 1070-6631,
[Article]

Dörr, A. ; Sadiki, A. ; Mehdizadeh, A. (2014):
Critical analysis of the apparent viscosity of polydisperse suspensions of hard spheres including shear rate effects.
In: Paper-No. ICMF2013-1014 , Proceedings of 8th Int. Conf. on Multiphase Flow (ICMF), Jeju, Korea, May 26 - 31, 2013, [Conference or Workshop Item]

Dörr, A. ; Sadiki, A. ; Mehdizadeh, A. (2013):
A discrete model for the apparent viscosity of polydisperse suspensions including maximum packing fraction.
In: J.Rheol., 57, p. 743. [Article]

Dupeux, G. ; Baier, T. ; Bacot, V. ; Hardt, Steffen ; Clanet, C. ; Quéré, D. (2013):
Self-propelling uneven Leidenfrost solids.
In: Phys. Fluids , 25 (051704), [Article]

Dörr, A. ; Hardt, Steffen (2012):
Electric-double-layer structure close to the three-phase contact line in an electrolyte wetting a solid substrate.
In: Physical Review E, 86 (022601), [Article]

Dietzel, M. ; Hardt, Steffen (2012):
Streaming potential of an electrolyte in a microchannel with a lateral temperature gradient.
Proc. 3rd European Conference on Microfluidics, Heidelberg, Germany,, December 3-5, 2012,, [Conference or Workshop Item]

Daschiel, G. ; Baier, T. ; Saal, J. ; Frohnapfel, B. (2012):
On the flow resistance of wide surface structures.
In: PAMM, 12 (1), pp. 569-570. [Article]

Donkov, A. ; Tiwari, S. ; Liang, T. ; Hardt, Steffen ; Klar, A. ; Ye, W. (2011):
Momentum and mass fluxes in a gas confined between periodically structured surfaces at different temperatures.
In: Physical Review E, 84 (016304), [Article]

Dupeux, G. ; Le Merrer, M. ; Lagubeau, G. ; Clanet, C. ; Hardt, Steffen ; Quéré, D. (2011):
Viscous mechanism for Leidenfrost propulsion on a ratchet.
In: Europhys. Lett., 96 (58001), [Article]

Das, S. ; Hardt, Steffen (2011):
Electric-double-layer potential distribution in multiple-layer immiscible electrolytes.
In: Physical Review E, 84 (0225502), [Article]

Donkov, A. A. ; Hardt, Steffen ; Tiwari, S. ; Klar, A. (2009):
Coupling of Heat and Momentum Transfer Between Nanostructured Surfaces.
In: ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 3, p. 49,
[Conference or Workshop Item]

Drese, K. S. ; Münchow, G. ; Dadic, D. ; Doffing, F. ; Hardt, Steffen ; Sörensen, O. ; Müller, T. ; Klein-Vehne, A. (2004):
Rapid polymerase chain reaction in polymeric microchips driven by ferrofluids.
pp. 469-471, Proc. of µTAS2004, 8th Int. Conf. Miniaturized Systems for Chemistry and Life Sciences, Malmö, Sweden, 26.-30.09.2004, [Conference or Workshop Item]

E

Eigenbrod, Michael (2021):
The influence of boundary configurations on the dissipation and stability in fluids at low Reynolds numbers. (Publisher's Version)
Darmstadt, Technische Universität Darmstadt,
DOI: 10.26083/tuprints-00017578,
[Ph.D. Thesis]

Eigenbrod, Michael ; Bihler, Florian ; Hardt, Steffen (2018):
Electrokinetics of a particle attached to a fluid interface: Electrophoretic mobility and interfacial deformation.
In: Physical Review Fluids, 3 (10), ISSN 2469-990X,
DOI: 10.1103/PhysRevFluids.3.103701,
[Article]

Eifert, Alexander ; Petit, Julien ; Baier, Tobias ; Bonaccurso, Elmar ; Hardt, Steffen (2015):
Inscribing wettability gradients onto polymer substrates with different stiffness using corona discharge in point-to-plane geometry.
In: Applied Surface Science, 330, pp. 104-110. ISSN 0169-4332,
[Article]

Eifert, Alexander (2015):
Untersuchungen zur Koronaentladung, Oberflächenmodifikation mittels Koronaentladung und zu Benetzungsphänomenen auf imprägnierten Oberflächen.
TU Darmstadt,
[Ph.D. Thesis]

Eifert, Alexander ; Paulssen, Dorothea ; Varanakkottu, Subramanyan Namboodiri ; Baier, Tobias ; Hardt, Steffen (2014):
Simple Fabrication of Robust Water-Repellent Surfaces with Low Contact-Angle Hysteresis Based on Impregnation.
In: Advanced Materials Interfaces, 1 (1300138), ISSN 2196-7350,
[Article]

Eifert, A. ; Baier, T. ; Hardt, Steffen (2013):
Small onset voltages in negative corona discharges using the edges of gold and aluminum foils as nano-structured electrodes.
In: Appl. Phys. Lett., 103 (023114), [Article]

F

Fickel, Beatrice ; Postulka, Niels ; Hartmann, Maximilian ; Gründing, Dirk M. ; Nau, Maximilian ; Meckel, Tobias ; Biesalski, Markus (2021):
Changes of meniscus shapes and capillary rise heights under hypergravity.
In: Colloids and Surfaces A: Physicochemical and Engineering Aspects, 610, Elsevier ScienceDirect, ISSN 0927-7757,
DOI: 10.1016/j.colsurfa.2020.125688,
[Article]

Furuberg, L. ; Mielnik, M. ; Gulliksen, A. ; Solli, L. ; Johansen, Ib-R. ; Voitel, J. ; Baier, T. ; Riegger, L. ; Karlsen, F. (2008):
RNA amplification chip with parallel microchannels and droplet positioning using capillary valves.
In: Microsyst. Technol., 14, pp. 4-5. [Article]

Furuberg, L. ; Mielnik, M. ; Johansen, Ib-R. ; Voitel, J. ; Gulliksen, A. ; Solli, L. ; Karlsen, F. ; Baier, T. ; Schönfeld, F. ; Drese, K. S. ; Keegan, H. ; Martin, C. ; O'Leary, J. J. ; Riegger, L. ; Koltay, P. (2007):
The MicroActice project: automatic detection of disease-related molecular cell activity.
65891B, Proc. SPIE, [Conference or Workshop Item]

G

Goswami, P. ; Baier, T. ; Tiwari, S. ; Lv, C. ; Hardt, S. ; Klar, A. (2020):
Drag force on spherical particle moving near a plane wall in highly rarefied gas.
In: Journal of Fluid Mechanics, 883, pp. A47. ISSN 0022-1120,
DOI: 10.1017/jfm.2019.921,
[Article]

Gerlach, Felix ; Hartmann, Maximilian ; Tropea, Cameron (2019):
The interaction of inner and outer surface corners during spontaneous wetting.
583, In: Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2019, p. 123977. ISSN 09277757,
DOI: 10.1016/j.colsurfa.2019.123977,
[Article]

Goet, G. ; Baier, T. ; Hardt, Steffen ; Sen, A. K. (2013):
Isotachophoresis with emulsions.
In: Biomicrofluidics, 7 (044103), [Article]

Goet, G. ; Baier, T. ; Hardt, Steffen (2011):
Transport and separation of micron sized particles at isotachophoretic transition zones.
In: Biomicrofluidics, 5 (014109), [Article]

Ganguly, R. ; Hahn, T. ; Hardt, Steffen (2010):
Magnetophoretic mixing for in-situ immunochemical binding on magnetic beads in a microfluidic channel.
In: Microfluid. Nanofluid., 8, pp. 739-753. [Article]

George, S. D. ; Namboodiri, V. S. ; Hardt, Steffen (2010):
Laser induced photoswitching of azobenzene incorporated in PDMS films.
7774, pp. 77740W 1-9, SPIE, Linear and Nonlinear Optics of Organic Materials X, San Diego, 01.-05.08.2010, [Conference or Workshop Item]

Ganguly, R. ; Hahn, T. ; Hardt, Steffen (2010):
Characterization of magnetic bead-based microfluidic mixing for bio-MEMS applications.
pp. 619-626, Proc. 20th National & 9th International ISHMT-ASME Heat and Mass Transfer Conference, Mumbai, 04.-06.01.2010, [Conference or Workshop Item]

Goet, G. ; Baier, T. ; Hardt, Steffen (2009):
Micro contactor based on isotachophoretic sample transport.
In: Lab Chip, 9, pp. 3586-3593. [Article]

Gall, M. ; Baier, T. ; Baumann, H. ; Bindig, R. ; Henke, P. ; Latta, D. ; Schmitz, H. ; Schreiner, H.-J. ; Thielicke, B. (2009):
Development of a Peristaltic Micro Pump System – Conceptual Design and Optimization by Simulation.
Proc. Adaptronic Congress 2009, Berlin, 19.-20.05.2009, [Conference or Workshop Item]

Griebel, A. ; Rund, S. ; Schönfeld, F. ; Dörner, W. ; Konrad, R. ; Hardt, Steffen (2004):
Integrated polymer chip for two-dimensional capillary gel electrophoresis.
In: Lab Chip, 4, pp. 18-23. [Article]

Goet, G. ; Hardt, Steffen (2003):
Pumpen kleinster Flüssigkeitsmengen mit Hilfe von elektrischen Feldern.
In: Inno 25, [Article]

H

Hartmann, Maximilian Roland (2021):
Wetting States of Droplets on Patterned Surfaces and in an Electric Field. (Publisher's Version)
Darmstadt, Technische Universität,
DOI: 10.26083/tuprints-00017420,
[Ph.D. Thesis]

Hardt, Steffen ; Hartmann, Johannes ; Zhao, Sicheng ; Bandopadhyay, Aditya (2020):
Electric-Field-Induced Pattern Formation in Layers of DNA Molecules at the Interface between Two Immiscible Liquids.
124, In: Physical Review Letters, (6), pp. 064501. APS Physics, ISSN 0031-9007,
DOI: 10.1103/PhysRevLett.124.064501,
[Article]

Henrich, Franziska ; Linke, Dorota ; Sauer, Hans Martin ; Dörsam, Edgar ; Hardt, Steffen ; Butt, Hans-Jürgen ; Auernhammer, Günter K. (2019):
Forced dynamic dewetting of structured surfaces: Influence of surfactants.
4, In: Physical Review Fluids, 2019 (12), p. 124202. American Physical Society, ISSN 2469-990X,
DOI: 10.1103/PhysRevFluids.4.124202,
[Article]

Hartmann, Maximilian ; Hardt, Steffen (2019):
Stability of Evaporating Droplets on Chemically Patterned Surfaces.
In: Langmuir, 35 (14), pp. 4868-4875. ISSN 0743-7463,
DOI: 10.1021/acs.langmuir.9b00172,
[Article]

Henrich, Franziska Monika (2018):
Dynamic dewetting of surfactant solutions.
Darmstadt, Technische Universität,
[Ph.D. Thesis]

Hardt, Steffen (2016):
Free-molecule heat transfer in a conservative force field between parallel surfaces.
In: Physical Review E, 93 (5), pp. 052139. ISSN 1063-651X,
[Article]

Hajian, Ramin ; Hardt, Steffen (2015):
Formation and lateral migration of nanodroplets via solvent shifting in a microfluidic device.
In: Microfluidics and Nanofluidics, 19 (6), pp. 1281-1296. ISSN 1613-4982,
[Article]

Hajian, Ramin (2015):
Production of nanodroplets and microdroplets in microfluidic devices based on liquid-liquid extraction (mass transfer).
TU Darmstadt,
[Ph.D. Thesis]

Hoffmann, A. ; Potje-Kamloth, K. ; Hardt, Steffen ; Bassler, M. (2014):
A robust electrical sensor for contactless control of moving plugs in microfluidic systems with high accurary.
Proc. 2nd International Conference on MicroFluidic Handling Systems, Freiburg, October 8-10, 2014, [Conference or Workshop Item]

Hardt, Steffen ; Tiwari, S. ; Baier, T. (2013):
Thermally driven flows between a Leidenfrost solid and a ratchet surface.
In: Phys. Rev. E, 87 (6), pp. 063015. [Article]

Hardt, Steffen ; Hahn, T. (2012):
Microfluidics with aqueous two-phase systems.
In: Lap Chip, 12, pp. pp. 434–442. [Article]

Hardt, Steffen ; Herbert, Stefan ; Kunkelmann, C. ; Mahjoob, S. ; Stephan, Peter (2012):
Unidirectional bubble growth in microchannels with asymmetric surface features.
In: International Journal of Heat and Mass Transfer, 55, pp. pp 7056-7062. [Article]

Hahn, T. (2011):
Interfacial electrokinetic transport phenomena and their impact on DNA electrophoresis in microfluidics.
Nano- und Mikrofluidik, Maschinenbau,
[Ph.D. Thesis]

Hahn, T. ; Münchow, G. ; Hardt, Steffen (2011):
Electrophoretic transport of biomolecules across liquid–liquid interfaces.
In: J. Phys.: Condens. Matter, 23 (184107), [Article]

Hahn, T. ; Hardt, Steffen (2011):
Size dependent detachment of DNA molecules from liquid-liquid interfaces.
In: Soft Matter, 7, pp. 6320-6326. [Article]

Hahn, T. ; Hardt, Steffen (2011):
Concentration and Size Separation of DNA Samples at Liquid–Liquid Interfaces.
In: Analytical Chemistry, 83, pp. 5476-5479. [Article]

Hardt, Steffen (2011):
Microreactors - Modeling and Simulation.
In: Ullmann’s Encyclopedia of Technical Chemistry, Electronic Resource, [Book Section]

Hardt, Steffen ; Goet, G. ; Baier, T. (2010):
Expanding the scope of isotachophoresis in microfluidic operations.
In: µFLU, pp. 10-190, Proc. 2nd European Conference on Microfluidics, Toulouse, 08.-10.12.2010, [Conference or Workshop Item]

Hahn, T. ; Kurz, A. ; Hardt, Steffen (2009):
Size separation of nucleic acids by electrophoretic transport across fluid boundaries.
pp. 809-811, Proc. µTAS2009, 13th Int. Conf. Miniaturized Systems for Chemistry and Life Sciences, Jeju, Korea, 01.-05.11.2009, [Conference or Workshop Item]

Hardt, Steffen ; Tiwari, S. ; Klar, A. (2009):
Momentum transfer to nanoobjects between isothermal parallel plates.
In: Microfluidics and Nanofluidics, 6 (4), pp. 489-498. [Article]

Hardt, Steffen ; Wondra, F. (2008):
Evaporation Model for interfacial flows based on a continuum-field representation of the source terms.
In: J. Comput. Phys., 227, pp. 5871-5895. [Article]

Hardt, Steffen ; Schönfeld, F. (2007):
Microfluidic Technologies for Miniaturized Analysis Systems.
New York, Springer, [Book]

Hardt, Steffen ; Baier, T. (2007):
A computational model for heat transfer in multichannel microreactors.
In: AIChE J., 53, pp. 1006-1016. [Article]

Hardt, Steffen ; Schilder, B. ; Tiemann, D. ; Kolb, G. ; Hessel, V. ; Stephan, Peter (2007):
Analysis of flow patterns emerging during evaporation in parallel microchannels.
In: International Journal of Heat and Mass Transfer, 50 (1-2), pp. 226-239. ISSN 00179310,
[Article]

Hardt, Steffen ; Schönfeld, F. (2007):
Microfluidics: Fundamentals and Engineering Concepts.
In: Microfluidic Technologies for Miniaturized Analysis Systems, pp. 1-58, New York, Springer, [Book Section]

Hardt, Steffen (2007):
Modeling and Simulation of Microreactors.
In: Modeling of Process Intensification, pp. 25-78, Weinheim, Wiley-VCH, [Book Section]

Hardt, Steffen ; Pennemann, H. ; Schönfeld, F. (2006):
Theoretical and experimental characterization of a low-Reynolds number split-and-recombine mixer.
In: Microfluidics and Nanofluidics, 2 (3), pp. 237-248. ISSN 1613-4982,
[Article]

Hardt, Steffen (2005):
An extended VOF method for micro flows with short-range interactions between fluid interfaces.
In: Phys. Fluids, 17, pp. 100601-1. [Article]

Hardt, Steffen ; Jiang, F. ; Schönfeld, F. (2005):
A computational analysis of the hydrodynamic instability of a liquid jet focused into a converging microchannel.
In: Int. J. Multiphase Flow, 31, pp. 739-756. [Article]

Hardt, Steffen ; Drese, K. S. ; Hessel, V. ; Schönfeld, F. (2005):
Passive micro mixers for applications in the micro reactor and µTAS field.
In: Microfluid. Nanofluid., 1, pp. 108-118. [Article]

Hardt, Steffen (2005):
Design paradigms and methodologies for microfluidics.
pp. 567-570, Proc. of Nanotech2005, 2005 NSTI Nanotechnology Conference and Trade Show, Anaheim, Californien, 08.-12.05.2005, [Conference or Workshop Item]

Hessel, V. ; Hardt, Steffen ; Löwe, H. (2004):
Chemical Micro Process Engineering.
Weinheim, Wiley-VCH, [Book]

Hardt, Steffen ; Baier, T. ; Schönfeld, F. (2004):
Computational models and methods for microfluidics: from flow distributions to mixing.
Proc. of ECCOMAS2004, 4th European Congress on Computational Methods in Applied Sciences and Engineering, Jyväskylä, Finland, 24.-.28.07.2004, [Conference or Workshop Item]

Hardt, Steffen ; Dadic, D. ; Doffing, F. ; Drese, K. S. ; Jiang, F. ; Münchow, G. ; Sörensen, O. (2004):
Development of a slug-flow PCR chip with minimum heating cycle times.
pp. 55-58, Proc. of Nanotech2004, 2004 NSTI Nanotechnology Conference and Trade Show, Boston, MA, 07.-11.03.2004, [Conference or Workshop Item]

Hessel, V. ; Hardt, Steffen ; Schönfeld, F. ; Löwe, H. (2003):
Laminar mixing in interdigital micromixers with different mixing chambers – Part 1: Experimental characterization.
In: AIChE J., 49, pp. 566-577. [Article]

Hardt, Steffen ; Schönfeld, F. (2003):
Laminar mixing in interdigital micromixers with different mixing chambers – Part 2: Numerical simulations.
In: AIChE J., 49, pp. 578-584. [Article]

Hardt, Steffen ; Ehrfeld, W. ; Hessel, V. ; Vanden Bussche, K. M. (2003):
Strategies for size reduction of microreactors by heat transfer enhancement effects.
In: Chem. Eng. Comm., 190, pp. 540-559. [Article]

Hardt, Steffen (2003):
Modeling hydrodynamic focusing of liquid jets in microchannels.
Proc. of the 2nd M.I.T. Conference on Computational Fluid and Solid Mechanics, Cambridge, MA, 17.-20.06.2003, [Conference or Workshop Item]

Hessel, V. ; Hardt, Steffen ; Löwe, H. (2003):
Chemical processing with microdevices – device/plant concepts, selected applications and state of scientific/commercial implementation.
pp. 479-484, Proc. of ICheaP-6, 6th Italian Conference on Chemical and Process Engineering, Pisa, Italy, 08.-11.06.2003, [Conference or Workshop Item]

Hardt, Steffen ; Drese, K. S. ; Griebel, A. ; Rund, S. ; Schönfeld, F. (2003):
Lab-on-a-Chip-Systeme für die medizinische Diagnostik.
Proc. of 1st EFDS-Workshop “Funktionalisierung von Oberflächen für die Biotechnologie”, Dresden, Germany, 11.03.2003, [Conference or Workshop Item]

Hardt, Steffen ; Pennemann, H. ; Jiang, F. (2003):
CFD-based optimization of gas/liquid microreactors with droplet and bubble transport.
pp. 254-257, Proc. of Nanotech2003, 2003 NSTI Nanotechnology Conference and Trade Show, San Francisco, CA, 23.-27.02.2003, [Conference or Workshop Item]

Hardt, Steffen (2002):
Simulation von Mikrosystemen.
In: Handbuch Mikrotechnik, pp. 41-82, München, Carl Hanser Verlag, [Book Section]

Hardt, Steffen ; Schönfeld, F. (2002):
Simulation of hydrodynamics in multi-phase microreactors.
Proc. of WCCM V, 5th World Congress on Computational Mechanics, Vienna, Austria, 07.-12.07.2002, [Conference or Workshop Item]

Hardt, Steffen ; Doffing, F. ; Pennemann, H. (2002):
Simulation of hydrodynamic dispersion in gas/liquid microreactors.
pp. 54-57, Proc. of MSM2002, 5th Int. Conf. Modeling and Simulation of Microsystems, San Juan, Puerto Rico, 22.-25.04.2002, [Conference or Workshop Item]

Hessel, V. ; Dietrich, T. ; Freitag, A. ; Hardt, Steffen ; Hofmann, C. ; Löwe, H. ; Pennemann, H. ; Ziogas, A. (2002):
Fast mixing in interdigital micromixers achieved by means of extreme focussing.
pp. 297-305, Proc. of IMRET6, 6th Int. Conf. Microreaction Technology, New Orleans, LA, 10.-14.03.2002, [Conference or Workshop Item]

Hardt, Steffen ; Dietrich, T. ; Freitag, A. ; Hessel, V. ; Löwe, H. ; Hofmann, C. ; Orosar, A. ; Schönfeld, F. ; Vanden Bussche, K. M. (2002):
Radial and tangential injection of liquid/liquid and gas/liquid streams and focussing thereof in a special cyclone micromixer.
pp. 329-342, Proc. of IMRET6, 6th Int. Conf. Microreaction Technology, New Orleans, LA, 10.-14.03.2002, [Conference or Workshop Item]

J

Jiang, F. ; Drese, K. S. ; Hardt, Steffen ; Küpper, M. ; Schönfeld, F. (2004):
Helical flows and chaotic mixing in curved microchannels.
In: AIChE J., 50, pp. 2297-2305. [Article]

K

Khalil, Adnan ; Zimmermann, Matthias ; Bell, Alena K. ; Kunz, Ulrike ; Hardt, Steffen ; Kleebe, Hans-Joachim ; Stark, Robert W. ; Stephan, Peter ; Andrieu-Brunsen, Annette (2020):
Insights into the interplay of wetting and transport in mesoporous silica films.
In: Journal of Colloid and Interface Science, 560, pp. 369-378. Elsevier, ISSN 0021-9797,
DOI: 10.1016/j.jcis.2019.09.093,
[Article]

Khnouf, R. ; Goet, G. ; Baier, T. ; Hardt, Steffen (2014):
Increasing the sensitivity of microfluidics based immunoassays using isotachophoresis.
In: Analyst, 139, pp. 4564-4571. [Article]

Kania, T. ; Schilder, B. ; Kissel, T. ; Stephan, Peter ; Hardt, Steffen ; Dreizler, A. (2013):
Development of a miniaturized energy converter without moving parts.
In: Flow, Turbulence and Combustion, 90, pp. 741-761. ISSN 1386-6184,
[Article]

Khnouf, R. ; Goet, G. ; Hardt, Steffen (2013):
Implementation of isotachophoresis in a microfluidic device for the enhamcement of protein immunoassays.
pp. 120-121, Proc. 2013 Int. Conf. on Microtechnologies in Medicine and Biology,, Marina del Rey, California, USA, April 10-12, 2013, [Conference or Workshop Item]

Kolb, G. ; Baier, T. ; Schürer, J. ; Tiemann, D. ; Ziogas, A. ; Specchia, S. ; Galletti, C. ; Germani, G. ; Schuurman, Y. (2008):
A Microstructured 5 kW Complete Fuel Processor for Iso-octane as Hydrogen Supply system for Mobile Auxiliary Power Units Part II – Development of water-gas shift and preferential oxidation catalysts reactor and assembly of the fuel Processor.
In: Chem. Eng. J., 138, pp. 474-489. [Article]

L

Lv, Cunjing ; Varanakkottu, Subramanyan N. ; Hardt, Steffen (2020):
Liquid plug formation from heated binary mixtures in capillary tubes.
889, In: Journal of Fluid Mechanics, pp. A 15. Cambridge University Press, ISSN 0022-1120, e-ISSN 1469-7645,
DOI: 10.1017/jfm.2020.80,
[Article]

Lv, Cunjing ; Eigenbrod, Michael ; Hardt, Steffen (2018):
Stability and collapse of holes in liquid layers.
In: Journal of Fluid Mechanics, 855, pp. 1130-1155. Cambridge University Press, ISSN 0022-1120,
DOI: 10.1017/jfm.2018.680,
[Article]

Lv, Cunjing ; Varanakkottu, Subramanyan Namboodiri ; Baier, Tobias ; Hardt, Steffen (2018):
Controlling the Trajectories of Nano/Micro Particles Using Light-Actuated Marangoni Flow.
In: Nano Letters, 18 (11), pp. 6924-6930. ISSN 1530-6984,
DOI: 10.1021/acs.nanolett.8b02814,
[Article]

Löffler, K. ; Yu, H. ; Hardt, Steffen ; Gambaryan-Roisman, Tatiana ; Stephan, Peter (2010):
Heat transfer and evaporation of falling liquid films on surfaces with advanced three-dimensional periodic structures: Experiments and numerical simulations.
30761, Proc. 8th Int. Conf. Nanochannels, Microchannels, Minichannels, Montreal, 01.-05.08.2010, [Conference or Workshop Item]

Löb, P. ; Drese, K. S. ; Hessel, V. ; Hardt, Steffen ; Hofmann, C. ; Löwe, H. ; Schenk, R. ; Schönfeld, F. ; Werner, B. (2004):
Steering of liquid mixing speed in interdigital micro mixers – from very fast to deliberately slow mixing.
In: Chem. Eng. Technol., 27, pp. 340-345. [Article]

M

Mohanty, S. ; Baier, T. ; Schönfeld, F. (2010):
Three dimensional CFD model for continuous immunomagnetophoretic cell capture in BioMEMS.
In: Biochem. Eng. J., 51, pp. 110-116. [Article]

Münchow, G. ; Hardt, Steffen ; Schönfeld, F. ; Graf, K. H. (2008):
Protein diffusion across the interface of aqueous two-phase systems.
In: Langmuir, 24, pp. 8547-8553. [Article]

Mohanty, S. ; Baier, T. ; Schönfeld, F. (2008):
CFD Modelling of Cell Capture in BioMEMS.
Lecture Notes in Engineering and Computer Science; World Congress on Engineering and Computer Science 2008, San Francisco, 22.-24.10.2008, [Conference or Workshop Item]

Münchow, G. ; Hardt, Steffen ; Kutter, J. P. ; Drese, K. S. (2007):
Electrophoretic partitioning of proteins in two-phase microflow.
In: Lab Chip, 7, pp. 98-102. [Article]

Men, Y. ; Hessel, V. ; Löb, P. ; Löwe, H. ; Werner, B. ; Baier, T. (2007):
Determination of the segregation index to sense the mixing quality of pilot- and production-scale microstructured mixers.
In: Chem. Eng. Res. Des., 85, pp. 605-611. [Article]

Münchow, G. ; Hardt, Steffen ; Kutter, J. P. ; Drese, K. S. (2007):
Continuous separation of proteins and cells by two-phase electrophoresis in microchannels.
pp. 808-810, Proc. µTAS2007, 11th Int. Conf. Miniaturized Systems for Chemistry and Life Sciences, Paris, 07.-11.10.2007, [Conference or Workshop Item]

Münchow, G. ; Hardt, Steffen ; Kutter, J. P. ; Drese, K. S. (2006):
Protein transport and concentration by electrophoresis in two-phase microflows.
In: Journal of the Association for Laboratory Automation, 11 (6), pp. 368-373. ISSN 15355535,
[Article]

Meschke, F. ; Riebler, G. ; Hessel, V. ; Schürer, J. ; Baier, T. (2005):
Hermetic gas-tight ceramic microreactors.
In: Chem. Eng. Technol., 28, pp. 465-473. [Article]

Münchow, G. ; Dadic, D. ; Doffing, F. ; Hardt, Steffen ; Drese, K. S. (2005):
Automated chip-based device for simple and fast nucleic acid amplification.
In: Expert Rev. Mol. Diagn., 5, pp. 613-620. [Article]

Münchow, G. ; Drese, K. S. ; Hardt, Steffen ; Kutter, J. P. (2005):
Towards two-phase electrophoresis in microchannels.
pp. 850-852, Proc. of µTAS2005, 9th Int. Conf. Miniaturized Systems for Chemistry and Life Sciences, Boston, 09.-13.10.2005, [Conference or Workshop Item]

N

Nejati, Iman (2016):
Coupled dynamics of conjugated liquid layers driven by cellular Bénard-Marangoni instability.
Darmstadt, Technische Universität Darmstadt,
[Ph.D. Thesis]

Nejati, Iman ; Dietzel, Mathias ; Hardt, Steffen (2016):
Exploiting cellular convection in a thick liquid layer to pattern a thin polymer film.
In: Applied Physics Letters, 108 (051604), ISSN 0003-6951,
[Article]

Nejati, I. ; Dietzel, M. ; Hardt, Steffen (2015):
Conjugated liquid layers driven by the short-wavelength Bénard–Marangoni instability: experiment and numerical simulation.
In: J. Fluid Mech., 783, pp. 46-71. [Article]

Namboodiri, V. S. ; George, S. D. ; Hardt, Steffen (2010):
Photodegradation of optically trapped polystyrene beads at 442 nm.
pp. 520-523, Proc. ICCESSE 2010, Amsterdam, 28.-30.09.2010, [Conference or Workshop Item]

Nikolaidis, G. ; Baier, T. ; Zapf, R. ; Kolb, G. ; Hessel, V. ; Maier, W. F. (2009):
Kinetic study of CO preferential oxidation over Pt-Rh[gamma]-A12O3 catalyst in a micro-structured recycle reactor.
In: Catal. Today, 145, pp. 90-100. [Article]

P

Paulssen, Dorothea ; Hardt, Steffen ; Levkin, Pavel A. (2019):
Droplet Sorting and Manipulation on Patterned Two-Phase Slippery Lubricant-Infused Surface.
In: ACS Applied Materials & Interfaces, 11 (17), pp. 16130-16138. ISSN 1944-8244,
DOI: 10.1021/acsami.8b21879,
[Article]

Pandey, Anamika ; Hardt, Steffen ; Klar, Axel ; Tiwari, Sudarshan (2016):
Brownian dynamics of rigid particles in an incompressible fluctuating fluid by a meshfree method.
In: Computers and Fluids, 127, pp. 174-181. ISSN 0045-7930,
[Article]

Prangemeier, Tim ; Nejati, Iman ; Müller, Andreas ; Endres, Philip ; Fratzl, Mario ; Dietzel, Mathias (2015):
Optimized thermoelectric sensitivity measurement for differential thermometry with thermopiles.
In: Experimental Thermal and Fluid Science, 65, pp. 82-89. Elsevier ScienceDirect, ISSN 0894-1777,
DOI: 10.1016/j.expthermflusci.2015.01.018,
[Article]

Pini, Cesare ; Baier, Tobias ; Dietzel, Mathias (2015):
Energy conversion by surface-tension-driven charge separation.
In: Microfluidics and Nanofluidics, 19 (3), pp. 721-735. [Article]

Pertaya-Braun, N. ; Baier, T. ; Hardt, Steffen (2012):
Microfluidic centrifuge based on a counterflow configuration.
In: Microfluid. Nanofluid., 12, pp. pp. 317–324. [Article]

Petzold, U. ; Büchel, A. ; Hardt, Steffen ; Halfmann, T. (2012):
Imaging diffusion in a microfluidic device by third harmonic microscopy.
In: Exp. Fluids, 53, pp. 777-782. [Article]

Pertaya-Braun, N. ; Hardt, Steffen (2011):
Microfluidic extractor based on droplet flow in microchannels.
pp. 82-85, Proc. Mikrosystemtechnik Kongress 2011, Darmstadt, Germany, [Conference or Workshop Item]

Pennemann, H. ; Hardt, Steffen ; Hessel, V. ; Löb, P. ; Weise, F. (2005):
Micromixer based liquid/liquid dispersion.
In: Chem. Eng. Technol., 28, pp. 501-508. [Article]

Pumera, M. ; Wang, J. ; Löwe, H. ; Hardt, Steffen (2002):
Poly(methylmethacrylate) microchip electrophoresis device with thick-film amperometric detector: towards fully disposable Lab-on-a-Chip.
In: JALA, 7, pp. 73-74. [Article]

Pumera, M. ; Wang, J. ; Opekar, F. ; Jelinek, I. ; Feldman, J. ; Löwe, H. ; Hardt, Steffen (2002):
Contactless conductivity detector for microchip capillary electrophoresis.
In: Anal. Chem., 74, pp. 1968-1971. [Article]

R

Rofman, Baruch ; Dehe, Sebastian ; Frumkin, Valeri ; Hardt, Steffen ; Bercovici, Moran (2020):
Intermediate States of Wetting on Hierarchical Superhydrophobic Surfaces.
36, In: Langmuir, (20), pp. 5517-5523. ISSN 0743-7463,
DOI: 10.1021/acs.langmuir.0c00499,
[Article]

Roy, Tamal ; Szuttor, Kai ; Smiatek, Jens ; Holm, Christian ; Hardt, Steffen (2019):
Conformation and Dynamics of Long-Chain End-Tethered Polymers in Microchannels.
In: Polymers, 11 (3), p. 488. ISSN 2073-4360,
DOI: 10.3390/polym11030488,
[Article]

Roy, Tamal (2018):
Conformation, dynamics and manipulation of polyelectrolytes in microchannels.
Darmstadt, TU Darmstadt,
[Ph.D. Thesis]

Roy, T. ; Szuttor, K. ; Smiatek, J. ; Holm, C. ; Hardt, Steffen (2017):
Stretching of surface‐tethered polymers in pressure‐driven flow under confinement.
In: Soft Matter, 13, pp. 6189-6196. [Article]

Roy, T. ; Szuttor, K. ; Smiatek, J. ; Holm, C. ; Hardt, Steffen (2017):
Electric‐field‐induced stretching of surface‐tethered polyelectrolytes in a microchannel.
In: Physical Review, 96 (3), [Article]

S

Straub, Benedikt Benjamin (2021):
Dewetting of surfactant solutions close to receding three-phase contact lines. (Publisher's Version)
Darmstadt, Technische Universität,
DOI: 10.26083/tuprints-00018617,
[Ph.D. Thesis]

Shojaeian, Mostafa ; Hardt, Steffen (2020):
Mass Transfer via Femtoliter Droplets in Ping-Pong Mode.
In: Physical Review Applied, 13 (1), ISSN 2331-7019,
DOI: 10.1103/PhysRevApplied.13.014015,
[Article]

Sinn, Nico (2020):
Flüssigkeitstransport durch elektrische Krafteinwirkung an Fluid-Fluid-Grenzflächen.
Darmstadt, Technische Universität,
DOI: 10.25534/tuprints-00011852,
[Ph.D. Thesis]

Sadeghi, Arman ; Azari, Milad ; Hardt, Steffen (2019):
Electroosmotic flow in soft microchannels at high grafting densities.
In: Physical Review Fluids, 4 (6), American Physical Society (APS), ISSN 2469-990X,
DOI: 10.1103/PhysRevFluids.4.063701,
[Article]

Sinn, Nico ; Schür, Maximilian T. ; Hardt, Steffen (2019):
No-contact electrostatic manipulation of droplets on liquid-infused surfaces: Experiments and numerical simulations.
In: Applied Physics Letters, 114 (21), p. 213704. ISSN 0003-6951,
DOI: 10.1063/1.5091836,
[Article]

Sinn, Nico ; Schür, Maximilian ; Hardt, Steffen (2018):
No contact-manipulation of drops on a liquid-infused surface using electric fields.
71st Annual Meeting of the APS Division of Fluid Dynamics, Atlanta, 18-20 November 2018, [Conference or Workshop Item]

Shojaeian, Mostafa ; Hardt, Steffen (2018):
Fast electric control of the droplet size in a microfluidic T-junction droplet generator.
In: Applied Physics Letters, 112 (19), p. 194102. ISSN 0003-6951,
DOI: 10.1063/1.5025874,
[Article]

Szuttor, K. ; Roy, T. ; Hardt, Steffen ; Holm, C. ; Smiatek, J. (2017):
The stretching force on a tethered polymer in pressure‐driven flow.
In: Journal of Chemical Physics, 147 (034902), [Article]

Shahabi, V. ; Baier, T. ; Roohi, E. ; Hardt, Steffen (2017):
Thermally induced gas flows in ratchet channels with diffuse and specular boundaries.
In: Scientific Reports, 7 (41412), [Article]

Schönecker, Clarissa ; Hardt, Steffen (2015):
Assessment of drag reduction at slippery, topographically structured surfaces.
In: Microfluidics and Nanofluidics, 19 (1), pp. 199-207. ISSN 1613-4982,
[Article]

Sinn, N. ; Alishahi, M. ; Hardt, Steffen (2015):
Detachment of particles and particle clusters from liquid/liquid interfaces.
In: J. Colloid Interface Science, 458, pp. 62-68. [Article]

Shrestha, S. ; Tiwari, S. ; Klar, A. ; Hardt, Steffen (2015):
Numerical simulation of a moving rigid body in a rarefied gas.
In: Journal of Computational Physics, 292, pp. 239-252. ISSN 0021-9991,
[Article]

Schönecker, Clarissa ; Baier, T. ; Hardt, Steffen (2014):
Influence of the enclosed fluid on the flow over a microstructured surface in the Cassie state.
In: Journal of Fluid Mechanics, 740, pp. 168-195. ISSN 0022-1120,
[Article]

Schönecker, Clarissa ; Hardt, Steffen (2014):
Electro-osmotic flow along superhydrophobic surfaces with embedded electrodes.
In: Physical Review E, 89 (063005), ISSN 1539-3755,
[Article]

Schönecker, Clarissa ; Hardt, Steffen (2013):
Longitudinal and transverse flow over a cavity containing a second immiscible fluid.
In: Journal of Fluid Mechanics, 717, pp. 376-394. ISSN 0022-1120,
[Article]

Seshadri, G. ; Baier, T. (2013):
Effect of electro-osmotic flow on energy conversion on superhydrophobic surfaces.
In: Phys. Fluids , 25 (042002), [Article]

Sinha, A. ; Mollah, A. K. ; Hardt, Steffen ; Ganguly, R. (2013):
Particle dynamics and separation at liquid–liquid interfaces.
In: Soft Matter , 9, pp. 5438-5447. [Article]

Schultheis, T. ; Hoheisel, D. ; Xiao, W. ; Spani Molella, L. ; Reithmeier, E. ; Rissing, L. ; Hardt, Steffen (2012):
Performance of an adaptive liquid microlens controlled by a micro coil actuator.
In: Microfluid. Nanofluid., 13, pp. 299-308. [Article]

Steffes, C. ; Baier, T. ; Hardt, Steffen (2012):
Corrigendum to “Enabling the enhancement of electroosmotic flow over superhydrophobic surfaces by induced charges”.
In: Colloid. Surface A, 395, pp. pp 284-285. [Article]

Schönecker, Clarissa ; Baier, T. ; Hardt, Steffen (2012):
The flow of a fluid in Cassie state along a patterned surface and its effective slip length.
Proc. 3rd European Conference on Microfluidics, Heidelberg, Germany,, December 3-5, 2012,, [Conference or Workshop Item]

Steffes, Clarissa ; Baier, Tobias ; Hardt, Steffen (2011):
Enabling the enhancement of electroosmotic flow over superhydrophobic surfaces by induced charges.
In: Colloids and Surfaces A: Physicochemical and Engineering Aspects, 376 (1-3), pp. 85-88. ISSN 0927-7757,
[Article]

Schilder, Boris ; Man, Simon Yu Ching ; Kasagi, Nobuhide ; Hardt, Steffen ; Stephan, Peter (2010):
Flow Visualization and Local Measurement of Forced Convection Heat Transfer in a Microtube.
In: Journal of Heat Transfer-Transactions of the Asme, 132 (3), pp. 1-9. ASME, ISSN 0022-1481,
DOI: 10.1115/1.4000046,
[Article]

Schönfeld, F. ; Hardt, Steffen (2009):
Dynamic contact angles in CFD simulations.
In: Computers and Fluids, 38, pp. 757-764. [Article]

Schönfeld, F. ; Goet, G. ; Baier, T. ; Hardt, Steffen (2009):
Transition zone dynamics in combined isotachophoretic and electro-osmotic transport.
In: Physics of Fluids, 21 (092002), [Article]

Stephan, Peter ; Hardt, Steffen ; Kunkelmann, C. ; Schweizer, N. ; Sielaff, Axel (2009):
Wärmeübertragung – vom Frühstücksei zur Chipkühlung.
In: forschen 2/2009, pp. 34-40. [Article]

Schönfeld, F. ; Graf, K. ; Hardt, Steffen ; Butt, Hans-Jürgen (2008):
Time of evaporation of sessile liquid drops in still air with constant contact radius.
In: Int. J. Heat Mass Transfer, 51, pp. 3696-3699. [Article]

Schönfeld, F. ; Goet, G. ; Drese, K. S. ; Hardt, Steffen (2008):
Single-phase digital microfluidics based on isotachophoretic transport.
pp. 56-58, Proc. µTAS2008, 12th Int. Conf. Miniaturized Systems for Chemistry and Life Sciences, San Diego, 12.-16.10.2008, [Conference or Workshop Item]

Schilder, B. ; Yu, S. C. M. ; Kasagi, N. ; Hardt, Steffen ; Stephan, Peter (2008):
Local measurement of forced convection heat transfer in a micro glass tube.
In: ASME 2008 6th International Conference on Nanochannels, Microchannels, and Minichannels, pp. 543-550, ASME, ISBN 0-7918-4834-5,
DOI: 10.1115/ICNMM2008-62054,
[Book Section]

Schreiner, H. J. ; Baier, T. ; Baumann, H. ; Bindig, R. ; Gall, M. ; Schmitz, H. ; Thielicke, B. (2008):
Development of an Implantable Peristaltic Micropump System.
pp. 827-829, ACTUATOR 08, 09.-11.06.2008, [Conference or Workshop Item]

Schilder, B. ; Zorbach, I. ; Hardt, Steffen ; Stephan, Peter ; Wondra, F. ; Klotzbücher, T. (2007):
Experimental investigation of fuel evaporation on microstructured surfaces for microcombustion.
pp. 143-148, Proc. 6th Int. Conf. Enhanced, Compact and Ultra-Compact Heat Exchangers, Potsdam, 16.-21.09.2007, [Conference or Workshop Item]

Schönfeld, F. ; Hardt, Steffen ; Böhm, M. ; Püschl, R. J. ; Walder, M. ; Wenclawiak, B. (2006):
Electroosmotic flow patterning using microfluidic delay loops.
In: Lab on a chip, 6 (12), pp. 1525-1529. ISSN 1473-0197,
[Article]

Schönfeld, F. ; Hardt, Steffen (2005):
Microfluidics and induced-charge electrokinetic flows.
pp. 581-583, Proc. of µTAS2005, 9th Int. Conf. Miniaturized Systems for Chemistry and Life Sciences, Boston, 09.-13.10.2005, [Conference or Workshop Item]

Schönfeld, F. ; Hardt, Steffen (2005):
Flow patterning by phase-shifted electroosmotic flows.
pp. 67-69, Proc. of µTAS2005, 9th Int. Conf. Miniaturized Systems for Chemistry and Life Sciences, Boston, 09.-13.10.2005, [Conference or Workshop Item]

Stephan, Peter ; Hardt, Steffen (2004):
Wärme- und Stofftransport in mikrofluidischen Mehrphasensystemen: Forschungsaktivitäten an der TU Darmstadt.
In: Chemie Ingenieur Technik, 76 (5), pp. 527-528. ISSN 0009-286X,
[Article]

Schönfeld, F. ; Hardt, Steffen ; Hessel, V. ; Hofmann, C. (2004):
Optimiertes distributives Mischen mittels ‘chaotischer’ Multilamination.
In: Chem. Ing. Tech., 76, pp. 614-618. [Article]

Schönfeld, F. ; Hardt, Steffen (2004):
Simulation of helical flows in microchannels.
In: AIChE J., 50, pp. 771-778. [Article]

Schönfeld, F. ; Drese, K. S. ; Hardt, Steffen ; Hessel, V. ; Hofmann, C. (2004):
Optimized distributive µ-mixing by “chaotic” multilamination.
pp. 378-381, Proc. of Nanotech2004, 2004 NSTI Nanotechnology Conference and Trade Show, Boston, MA, 07.-11.03.2004, [Conference or Workshop Item]

Sörensen, O. ; Drese, K. S. ; Hardt, Steffen (2003):
Liquid slug transport, mixing and synchronization driven by ferrofluids.
pp. 1029-1032, Proc. of µTAS2003, 7th Int. Conf. Miniaturized Systems for Chemistry and Life Sciences, Squaw Valley, CA, 05.-09.10.2003, [Conference or Workshop Item]

T

Tiwari, Sudarshan ; Klar, Axel ; Hardt, Steffen (2016):
Numerical simulation of wetting phenomena by a meshfree particle method.
In: Journal of Computational and Applied Mathematics, 292, pp. 469-485. ISSN 0377-0427,
[Article]

Tiwari, S. ; Klar, A. ; Hardt, Steffen (2014):
Simulations of micro channel gas flows with domain decomposition technique for kinetic and fluid dynamic equations.
In: Lecture Notes in Computational Science and Engineering, Springer, Proc. 21st International Conference on Domain Decomposition Methods, INRIA Rennes-Bretagne-Atlantique, France, June 25-29, 2012, [Conference or Workshop Item]

Tiwari, S. ; Klar, A. ; Hardt, Steffen ; Donkov, A. (2013):
Coupled solution of the Boltzmann and Navier–Stokes equations in gas–liquid two phase flow.
In: Computers and Fluids, 71, pp. 283-296. [Article]

Tiwari, S. ; Klar, A. ; Hardt, Steffen (2009):
A particle-particle hybrid method for kinetic and continuum equations.
In: J. Comput. Phys., 228, pp. 7109-7124. [Article]

V

Vécsei, Miklós ; Dietzel, Mathias ; Hardt, Steffen (2018):
Interfacial instability of liquid films coating the walls of a parallel-plate channel and sheared by a gas flow.
In: Microfluidics and Nanofluidics, 22 (9), ISSN 1613-4982,
DOI: 10.1007/s10404-018-2111-z,
[Article]

Varanakkottu, S. N. ; Engelbart, H. ; Joshi, S. ; Still, M. ; Xiao, W. ; Hardt, Steffen (2014):
Light-controlled tuning of the optical properties of nanoporous glass.
In: Optics Express, 22 (21), pp. 25560-25569. ISSN 1094-4087,
[Article]

Vécsei, M. ; Dietzel, M. ; Hardt, Steffen (2014):
Thermal interaction between two liquid films undergoing long-wavelength instabilities.
In: Phys. Rev., 89 (5), [Article]

Varanakkottu, S. N. ; George, S. D. ; Baier, T. ; Hardt, Steffen ; Ewald, M. ; Biesalski, M. (2013):
MANIPULATION OF MICROPARTICLES AND BIOLOGICAL CELLS USING LIGHT-INDUCED MARANGONI FLOW.
µTAS 2013 , The 17th International Conference on Miniaturized Systems for Chemistry and Life Sciences, Freiburg, 27-31 October 2013, [Conference or Workshop Item]

Varanakkottu, Subramanyan Namboodiri (2013):
Light-Induced Microfluidic Transport Phenomena.
Darmstadt, Germany, TU Darmstadt, TU Darmstadt,
[Ph.D. Thesis]

Varanakkottu, S. N. ; George, S. D. ; Baier, T. ; Hardt, Steffen ; Ewald, M. ; Biesalski, M. (2013):
Particle Manipulation Based on Optically Controlled Free Surface Hydrodynamics.
In: Angew. Chem. Int. Ed., 52, pp. 7291-7295. [Article]

X

Xiao, W. ; Hardt, Steffen (2010):
An adaptive liquid microlens driven by a ferrofluidic transducer.
In: J. Micromech. Microeng., 20 (055032), [Article]

Xiao, W. ; Hardt, Steffen (2010):
The dynamic behavior of an adaptive liquid microlens driven by a ferrofluidic transducer.
30353, Proc. 8th Int. Conf. Nanochannels, Microchannels, Minichannels, M, 01.-05.08.2010, [Conference or Workshop Item]

Z

Zhao, Sicheng ; Dietzel, Mathias ; Hardt, Steffen (2019):
Faraday instability of a liquid layer on a lubrication film.
In: Journal of Fluid Mechanics, 879, pp. 422-447. Cambridge University Press, ISSN 0022-1120,
DOI: 10.1017/jfm.2019.684,
[Article]