Physicist organizational networks reported on November 27 (Beijing time), scientists from Los Alamos National Laboratory and other institutions for the first time demonstrated the use of heat pipe cooling small nuclear reactor, with the flat-topped fission experiments produce 24 watts of power, and Stirling engine to drive the Nevada national Security Site equipment. The scientists said that a flight system may need a number of heat pipe and the Stirling engine module to generate about one kilowatt of electricity, this successful demonstration proved reliable nuclear reactors are expected to be used as a new type of space flight power system.
 
The heat pipe technology refers to the 1963 Los Alamos National Laboratory invention called heat pipe heat transfer components. It fully utilizes the principle of heat conduction and cooling medium fast heat transfer properties, is widely used in the aerospace and military industries. Reactor heat through the heat pipe can be quickly passed to a heat source outside without the need for moving parts. The Stirling engine is a relatively simple closed-loop engine, can use compressed gas to move the piston, the thermal energy is converted into electricity. The two devices complement each other to form a simple and reliable power supply, and is expected to be applied to the field of space.



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