Question
238Pu has been used as a source of electric power in multiple space missions, including the latest Mars rover in a Radio-Thermal-Voltaic (RTG) device. Assuming
238Pu has been used as a source of electric power in multiple space missions, including the latest Mars rover in a Radio-Thermal-Voltaic (RTG) device.
- Assuming 10% conversion of thermal to electrical power, what is the power output (watts) of an RTG with a 5kg mass of Pu-238?
Tip: Power = Activity x Q value and 1 MeV = 0.1602E-12J
- The Voyager spacecrafts, launched in 1977, today have an RTG power output of 315W. What was the starting power level assuming electrical conversion efficiency has not changed?
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Chemical Process Safety Fundamentals With Applications
Authors: Daniel A. Crowl, Joseph F. Louvar
3rd Edition
0131382268, 978-0131382268
