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Inception of ice accretion by ice crystal impact

Löwe, Jens and Kintea, Daniel and Baumert, Arne and Bansmer, Stephan and Roisman, Ilia V. and Tropea, Cameron (2016):
Inception of ice accretion by ice crystal impact.
In: Journal of Physics: Conference Series, pp. 032013, 745, ISSN 1742-6588, [Online-Edition: http://dx.doi.org/10.1088/1742-6596/745/3/032013],
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Abstract

In this experimental and theoretical study the ice accretion phenomena on a heated cylinder in Braunschweig Icing Wind Tunnel are investigated. The ice crystal size, velocity, the liquid-to-total mass ratio are accurately controlled. The evolution of the cylinder temperature, the time required for the inception of the ice accretion, and the ice accretion rate are measured for various operating conditions. The surface temperature of the solid target is determined by balancing the heating power in the wall and the cooling effect of the stream of ice particles. We have discovered that the inception of the ice crystal accretion is determined by the instant when the surface temperature of the heated target reduces to the freezing temperature. This result will help to model the phenomena of ice crystal accretion.

Item Type: Article
Erschienen: 2016
Creators: Löwe, Jens and Kintea, Daniel and Baumert, Arne and Bansmer, Stephan and Roisman, Ilia V. and Tropea, Cameron
Title: Inception of ice accretion by ice crystal impact
Language: English
Abstract:

In this experimental and theoretical study the ice accretion phenomena on a heated cylinder in Braunschweig Icing Wind Tunnel are investigated. The ice crystal size, velocity, the liquid-to-total mass ratio are accurately controlled. The evolution of the cylinder temperature, the time required for the inception of the ice accretion, and the ice accretion rate are measured for various operating conditions. The surface temperature of the solid target is determined by balancing the heating power in the wall and the cooling effect of the stream of ice particles. We have discovered that the inception of the ice crystal accretion is determined by the instant when the surface temperature of the heated target reduces to the freezing temperature. This result will help to model the phenomena of ice crystal accretion.

Journal or Publication Title: Journal of Physics: Conference Series
Volume: 745
Divisions: 16 Department of Mechanical Engineering
16 Department of Mechanical Engineering > Fluid Mechanics and Aerodynamics (SLA)
Exzellenzinitiative
Exzellenzinitiative > Clusters of Excellence
Exzellenzinitiative > Clusters of Excellence > Center of Smart Interfaces (CSI)
Date Deposited: 28 Oct 2016 10:23
Official URL: http://dx.doi.org/10.1088/1742-6596/745/3/032013
Identification Number: doi:10.1088/1742-6596/745/3/032013
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