Browse Publications Technical Papers 2001-01-2236
2001-07-09

Investigation Results of Axial Grooved Heat Pipes with High Thermal Capacity 2001-01-2236

Experimental investigation results of developed Axial Heat Pipes with Ω-shape grooves (“Re-Entrant” grooved geometry) are presented in this paper.
Influence of working fluid mass and tilt angle on Axial Grooved Heat Pipes characteristics is also described in the paper. Experimental dependence of heat transfer capacity on operating temperature is compared with calculation results. This paper is dedicated to investigation of influence of heat input and heat output sources location on AGHP characteristics under on-ground conditions. Values of heat transfer coefficients in the zones of evaporation and condensation for 3 different AGHP samples are also presented in this paper as well as test results for burst pressure. AGHP qualification test program was developed in accordance with the European Standard (ESA PSS-049).

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