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Heat Pipe Science and Technology, An International Journal

ISSN 印刷: 2151-7975
ISSN オンライン: 2151-7991

Archives: Volume 1, 2010 to Volume 8, 2017

Heat Pipe Science and Technology, An International Journal

DOI: 10.1615/HeatPipeScieTech.2015012224
pages 25-49

INVESTIGATION OF LOOP HEAT PIPE OSCILLATING BEHAVIOR USING NUMERICAL SIMULATION

Denis Nesterov
Institute of Computational Modelling, SB RAS, 660036, Krasnoyarsk, Akademgorodok, Russia
Gennady Dmitriev
Joint Stock Company "Academician M. F. Reshetnev's Information Satellite Systems", Krasnoyarsky Krai, Zheleznogorsk, Russia

要約

A transient model of a loop heat pipe (LHP) has been developed within the framework of a two-phase satellite thermal control system with deployable radiator development. The main objective of the model was the ability to simulate and study the LHP oscillating behavior, which was observed during the experiments. The calculation results for the tested LHP sample operation using the proposed model showed good agreement with the experimental data. The model adequately describes the oscillatory phenomena and can be used as a research tool in studying the dynamics of LHP operation. The model was used to analyze thermal and hydrodynamic mechanisms that lead to unstable LHP behavior. The main factors that contribute to the appearance of oscillations have been identified. The influences of the LHP components' parameters on oscillatory processes have been studied.


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