A

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

B

Baier, Tobias and 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 and Tiwari, Sudarshan and Shrestha, Samir and Klar, Axel and 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. and Scholz, Mathias and 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. and 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 and Hardt, Steffen and Shahabi, Vahid and 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. and Dölger, J. and 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. and Varanakkottu, Subramanyan Namboodiri and Eifert, Alexander and de Koning, Dirk and Cherkashinin, Gennady and Hardt, Steffen and Schneider, Joerg J. (2014):
Inscribing Wettability Gradients Onto Superhydrophobic Carbon Nanotube Surfaces.
In: Advanced Materials Interfaces, 1 (2), p. 1300049. ISSN 2196-7350,
[Article]

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

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

Banerjee, U. and Bit, P. and Ganguly, R and 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 and Herbert, Stefan and 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. and Schönfeld, F. and 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, T. and Steffes, C. and 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 and Steffes, Clarissa and Hardt, Steffen (2010):
Thermocapillary flow on superhydrophobic surfaces.
In: Physical Review E, 82 (037301), ISSN 1539-3755,
[Article]

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

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

Baier, T. and Kolb, G. and Schürer, J. and Tiemann, D. and Ziogas, A. and Ehwald, H. and 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. and Hansen-Hagge, T. E. and Gransee, R. and Crombé, A. and Schmahl, S. and Drese, K. S. and GrØnn, P. and Solli, L. and Falang, I. M. and Martin, C. and Keegan, H. and 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. and Mohanty, S. and Drese, K. S. and Rampf, F. R. and 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. and 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. and Hardt, Steffen (2007):
A mean-field model for heat transfer in multichannel microreactors.
In: AIChE J., 53, pp. 1006-1016. [Article]

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

Baier, T. and 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. and 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. and Hardt, Steffen and Hessel, V. and Kolb, G. and Löwe, H. and Wichert, M. and 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 and Rofman, Baruch and Bercovici, Moran and 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, Helene and Soto, Dan and Quéré, David and Hinch, E. John and Baier, Tobias and Schür, Maximilian T. and 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. and Hardt, Steffen and Balan, C. (2017):
From flow focusing to vortex formation in crossing microchannels.
In: Microfluidics and Nanofluidics, 21 (142), [Article]

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

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

Dörr, A. and 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 and 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. and Sadiki, A. and 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]

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

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

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

Dörr, A. and 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]

Donkov, A. and Tiwari, S. and Liang, T. and Hardt, Steffen and Klar, A. and 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. and Le Merrer, M. and Lagubeau, G. and Clanet, C. and Hardt, Steffen and Quéré, D. (2011):
Viscous mechanism for Leidenfrost propulsion on a ratchet.
In: Europhys. Lett., 96 (58001), [Article]

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

Donkov, A. A. and Hardt, Steffen and Tiwari, S. and 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. and Münchow, G. and Dadic, D. and Doffing, F. and Hardt, Steffen and Sörensen, O. and Müller, T. and 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 and Bihler, Florian and 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 and Petit, Julien and Baier, Tobias and Bonaccurso, Elmar and 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 and Paulssen, Dorothea and Varanakkottu, Subramanyan Namboodiri and Baier, Tobias and 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. and Baier, T. and 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

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

G

Goswami, P. and Baier, T. and Tiwari, S. and Lv, C. and Hardt, S. and 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 and Hartmann, Maximilian and 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. and Baier, T. and Hardt, Steffen and Sen, A. K. (2013):
Isotachophoresis with emulsions.
In: Biomicrofluidics, 7 (044103), [Article]

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

Ganguly, R. and Hahn, T. and 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. and Namboodiri, V. S. and 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. and Hahn, T. and 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. and Baier, T. and Hardt, Steffen (2009):
Micro contactor based on isotachophoretic sample transport.
In: Lab Chip, 9, pp. 3586-3593. [Article]

Gall, M. and Baier, T. and Baumann, H. and Bindig, R. and Henke, P. and Latta, D. and Schmitz, H. and Schreiner, H.-J. and 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. and Rund, S. and Schönfeld, F. and Dörner, W. and Konrad, R. and Hardt, Steffen (2004):
Integrated polymer chip for two-dimensional capillary gel electrophoresis.
In: Lab Chip, 4, pp. 18-23. [Article]

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

H

Hardt, Steffen and Hartmann, Johannes and Zhao, Sicheng and 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 and Linke, Dorota and Sauer, Hans Martin and Dörsam, Edgar and Hardt, Steffen and Butt, Hans-Jürgen and 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 and 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 and 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. and Potje-Kamloth, K. and Hardt, Steffen and 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 and Tiwari, S. and 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 and Hahn, T. (2012):
Microfluidics with aqueous two-phase systems.
In: Lap Chip, 12, pp. pp. 434–442. [Article]

Hardt, Steffen and Herbert, Stefan and Kunkelmann, C. and Mahjoob, S. and 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. and Münchow, G. and Hardt, Steffen (2011):
Electrophoretic transport of biomolecules across liquid–liquid interfaces.
In: J. Phys.: Condens. Matter, 23 (184107), [Article]

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

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

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

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

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

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

Hardt, Steffen and 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 and Schilder, B. and Tiemann, D. and Kolb, G. and Hessel, V. and 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 and Pennemann, H. and 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 and Jiang, F. and 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 and Drese, K. S. and Hessel, V. and 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. and Hardt, Steffen and Löwe, H. (2004):
Chemical Micro Process Engineering.
Weinheim, Wiley-VCH, [Book]

Hardt, Steffen and Baier, T. and 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 and Dadic, D. and Doffing, F. and Drese, K. S. and Jiang, F. and Münchow, G. and 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. and Hardt, Steffen and Schönfeld, F. and 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 and 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 and Ehrfeld, W. and Hessel, V. and 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. and Hardt, Steffen and 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 and Drese, K. S. and Griebel, A. and Rund, S. and 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 and Pennemann, H. and 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 and 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 and Doffing, F. and 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. and Dietrich, T. and Freitag, A. and Hardt, Steffen and Hofmann, C. and Löwe, H. and Pennemann, H. and 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 and Dietrich, T. and Freitag, A. and Hessel, V. and Löwe, H. and Hofmann, C. and Orosar, A. and Schönfeld, F. and 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. and Drese, K. S. and Hardt, Steffen and Küpper, M. and Schönfeld, F. (2004):
Helical flows and chaotic mixing in curved microchannels.
In: AIChE J., 50, pp. 2297-2305. [Article]

K

Khalil, Adnan and Zimmermann, Matthias and Bell, Alena K. and Kunz, Ulrike and Hardt, Steffen and Kleebe, Hans-Joachim and Stark, Robert W. and Stephan, Peter and 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. ISSN 00219797,
DOI: 10.1016/j.jcis.2019.09.093,
[Article]

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

Khnouf, R. and Goet, G. and 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]

Kania, T. and Schilder, B. and Kissel, T. and Stephan, Peter and Hardt, Steffen and 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]

Kolb, G. and Baier, T. and Schürer, J. and Tiemann, D. and Ziogas, A. and Specchia, S. and Galletti, C. and Germani, G. and 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 and Varanakkottu, Subramanyan N. and 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 and Eigenbrod, Michael and 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 and Varanakkottu, Subramanyan Namboodiri and Baier, Tobias and 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. and Yu, H. and Hardt, Steffen and Gambaryan-Roisman, Tatiana and 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. and Drese, K. S. and Hessel, V. and Hardt, Steffen and Hofmann, C. and Löwe, H. and Schenk, R. and Schönfeld, F. and 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. and Baier, T. and 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. and Hardt, Steffen and Schönfeld, F. and Graf, K. H. (2008):
Protein diffusion across the interface of aqueous two-phase systems.
In: Langmuir, 24, pp. 8547-8553. [Article]

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

Men, Y. and Hessel, V. and Löb, P. and Löwe, H. and Werner, B. and 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. and Hardt, Steffen and Kutter, J. P. and 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. and Hardt, Steffen and Kutter, J. P. and 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. and Riebler, G. and Hessel, V. and Schürer, J. and Baier, T. (2005):
Hermetic gas-tight ceramic microreactors.
In: Chem. Eng. Technol., 28, pp. 465-473. [Article]

Münchow, G. and Dadic, D. and Doffing, F. and Hardt, Steffen and 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. and Drese, K. S. and Hardt, Steffen and 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 and Dietzel, Mathias and 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. and Dietzel, M. and 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. and George, S. D. and 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. and Baier, T. and Zapf, R. and Kolb, G. and Hessel, V. and 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 and Hardt, Steffen and 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 and Hardt, Steffen and Klar, Axel and 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 and Nejati, Iman and Müller, Andreas and Endres, Philip and Fratzl, Mario and 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 and Baier, Tobias and Dietzel, Mathias (2015):
Energy conversion by surface-tension-driven charge separation.
In: Microfluidics and Nanofluidics, 19 (3), pp. 721-735. [Article]

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

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

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

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

R

Rofman, Baruch and Dehe, Sebastian and Frumkin, Valeri and Hardt, Steffen and 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 and Szuttor, Kai and Smiatek, Jens and Holm, Christian and 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. and Szuttor, K. and Smiatek, J. and Holm, C. and Hardt, Steffen (2017):
Stretching of surface‐tethered polymers in pressure‐driven flow under confinement.
In: Soft Matter, 13, pp. 6189-6196. [Article]

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

S

Shojaeian, Mostafa and 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 and Azari, Milad and 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 and Schür, Maximilian T. and 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 and Schür, Maximilian and 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 and 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. and Roy, T. and Hardt, Steffen and Holm, C. and Smiatek, J. (2017):
The stretching force on a tethered polymer in pressure‐driven flow.
In: Journal of Chemical Physics, 147 (034902), [Article]

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

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

Schönecker, Clarissa and 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]

Shrestha, S. and Tiwari, S. and Klar, A. and 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 and Hardt, Steffen (2014):
Electro-osmotic flow along superhydrophobic surfaces with embedded electrodes.
In: Physical Review E, 89 (063005), ISSN 1539-3755,
[Article]

Schönecker, Clarissa and Baier, T. and 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]

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

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

Schönecker, Clarissa and 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]

Schultheis, T. and Hoheisel, D. and Xiao, W. and Spani Molella, L. and Reithmeier, E. and Rissing, L. and 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. and Baier, T. and 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 and Baier, T. and 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 and Baier, Tobias and 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 and Man, Simon Yu Ching and Kasagi, Nobuhide and Hardt, Steffen and 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. and Hardt, Steffen (2009):
Dynamic contact angles in CFD simulations.
In: Computers and Fluids, 38, pp. 757-764. [Article]

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

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

Schönfeld, F. and Graf, K. and Hardt, Steffen and 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. and Goet, G. and Drese, K. S. and 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]

Schreiner, H. J. and Baier, T. and Baumann, H. and Bindig, R. and Gall, M. and Schmitz, H. and 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. and Yu, S. C. M. and Kasagi, N. and Hardt, Steffen and 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]

Schilder, B. and Zorbach, I. and Hardt, Steffen and Stephan, Peter and Wondra, F. and 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. and Hardt, Steffen and Böhm, M. and Püschl, R. J. and Walder, M. and 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. and 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. and 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]

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

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

Schönfeld, F. and Drese, K. S. and Hardt, Steffen and Hessel, V. and 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]

Stephan, Peter and 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]

Sörensen, O. and Drese, K. S. and 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 and Klar, Axel and 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. and Klar, A. and 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. and Klar, A. and Hardt, Steffen and 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. and Klar, A. and 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 and Dietzel, Mathias and 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. and Engelbart, H. and Joshi, S. and Still, M. and Xiao, W. and 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. and Dietzel, M. and Hardt, Steffen (2014):
Thermal interaction between two liquid films undergoing long-wavelength instabilities.
In: Phys. Rev., 89 (5), [Article]

Varanakkottu, S. N. and George, S. D. and Baier, T. and Hardt, Steffen and Ewald, M. and 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. and George, S. D. and Baier, T. and Hardt, Steffen and Ewald, M. and 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. and Hardt, Steffen (2010):
An adaptive liquid microlens driven by a ferrofluidic transducer.
In: J. Micromech. Microeng., 20 (055032), [Article]

Xiao, W. and 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 and Dietzel, Mathias and 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]