Heat transfer characteristics of a radial heat pipe

概要

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Heat transfer characteristics of a newly designed heat pipe which transports thermal energy in a radial direction of the heat pipe are examined experimentally using Freon R-113 working fluid. The heat pipe produces a much higher overall heat transmission than the current heat pipe due to a direct contact condensation instead of a filmwise condensation. An unheated vapor space above a heated section and a higher charge rate over 70% are required to use it in a wide range of heat flux. Normal screen wick presents an insufficient capillary force to pump up the working fluid to the heated section against the gravity force.
宇宙航空研究開発機構の論文