The purpose of the Li-EHP test was to experimentally demonstrate whether or not the Li-EHP is capable of creating uniform temperature conditions on the emitter surface of a THPM. To do so required the fabrication of a suitable vacuum system, a vacuum furnace which was capable of producing sufficiently high temperature (1800-200K) to initiate heat pipe action, and a means of acquiring extremely high temperature data. Instrumentation was selected which ...
The Phillips Lab and Alkali Metal Thermal to Electric Conversion (AMTEC) work focuses on three key issues: performance, lifetime, and durability. Lifetime includes demonstration of life operations and life limiting mechanisms. This report describes work aimed at improving cell performance through several generations of AMTEC cells. Practical application of this concept gives rise to a number of problems as revealed by the Phillips Lab experiments. Durability issues include demonstrating the ...
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