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NASA scientists, in collaboration with Los Alamos Laboratory engineers successfully tested a small nuclear reactor, based on the Stirling engine, which can be used in the future such as deep-space probes to investigate applicable for supplying electricity.
In recent decades, the study of deep-space probes to be implemented mainly in the nuclear energy source used batteries. Plutonium released from the decay heat from the thermoelectric effect through the production of electricity as Cassini, New Horizons'i and Voyager probes i, mediated by the BBC's science news.
In 1980. At the end of the years began to harass the space program, however, a serious problem. The United States began increasing plutonium production facilities necessary to demolish. Help was sought from the Russians, but some time later withdrew the last transaction. NASA's last plutonium inventories costs have recently landed on Mars Curiosity aatomipatareide preparation.
Although the 2011th The recent 7.7 million investment for the long term, an essential element alleviate the shortage, the situation began to look for alternative borax solutions under the influence. Los Alamos laboratory test performed was inspired in 1963. In the same research borax facility developed 'heat pipe' solution. The latter is used inside the reactor heat transport outside of a closed pipe. The latter, in turn, heat the gas, which swells borax the plunger moves, and thus produces electrical energy from then on.
The advantage is the lack of moving parts, which tend to last for decades missions crucial factor. During the experiment produced a single Stirling engine using 24W power section. The vast majority of deep-space probes, the power consumption is about 25 times higher than the last, thus takes more time to reach a pragmatic solution. But it is worth while to note that in this experiment, the concept of the first prototype took time to reach half the year.
Jupiter's belt unexplained disappearance of the scientists created borax a star bowled over (49) 12 May 2010 11:23
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