Sunpower Robust Stirling Convertor

NASA and the Department of Energy (DOE) are working together to enable more space missions through the development of Dynamic Radioisotope Power Systems (DRPS) that utilize moving parts to generate a current. NASA is working to achieve efficiencies in DRPS on the order of 3-4 times greater than the current state of the art RTG. This increase in efficiency provides more power per kilogram of generator mass. This means that a mission could have more power and potentially use less of the radioisotope fuel, limiting the amount of radiation and waste heat that they produce. These options make a DRPS ideal for certain human exploration missions and a viable option for specialized science missions.




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