Development and Investigation of a Two-Phase Loop Thermosiphon with a Flat Evaporator at Different Slope Angles

We present the results of the development and experimental studies of a two-phase loop thermosiphon with a flat evaporator and ethanol as the working fluid. We investigate the thermal characteristics of the device within the temperature range of 20–80°C under the heat loads of 10–120 W, a filling ra...

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Bibliographic Details
Published in:High temperature 2018, Vol.56 (1), p.92-97
Main Authors: Dmitrin, V. I., Maydanik, Yu. F.
Format: Article
Language:English
Subjects:
Atoms and Molecules in Strong Fields
Classical and Continuum Physics
Ethanol
Evaporation
Heat and Mass Transfer and Physical Gasdynamics
Industrial Chemistry/Chemical Engineering
Laser Matter Interaction
Materials Science
Physical Chemistry
Physics
Physics and Astronomy
Thermal resistance
Working fluids
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Summary:We present the results of the development and experimental studies of a two-phase loop thermosiphon with a flat evaporator and ethanol as the working fluid. We investigate the thermal characteristics of the device within the temperature range of 20–80°C under the heat loads of 10–120 W, a filling ratio of 40%, and slope angles within the range of 0°–90°. The device is functional at all of the studied slope angles. The maximum heat load of 120 W was reached at the slope angle of 90°. Here, the average temperature of the evaporator surface was within 70°C and the maximum thermal resistance was equal to 0.41°C/W.
ISSN:0018-151X
1608-3156
DOI:10.1134/S0018151X18010054