小型ループヒートパイプの伝熱流動特性（第二報 重力加速度の影響とその性能評価）

摘要

The Loop Heat Pipes (LHPs) are robust, self-starting and a passive two-phase thermal control system that uses the latentheat of vaporization of an internal working fluid to transfer heat from an evaporator to a condenser. The circulation of theworking fluid is accomplished by capillary pressure gradients in a fine porous wick with very small pores. LHPs arerapidly gaining acceptance in the aerospace community and several terrestrial applications are emerging as well. In thepresent study, the influence of the gravitational forces on the LHP performance was investigated. The present testsperformed under steady state condition with three different orientations (horizontal, gravity-assisted, anti-gravity).