Thermal Analysis of Mars Airplane Balloon Experiment
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Mars exploration via airplane has been proposed in Japan and is targeted for realization in the latter half of the 2020s. It has gathered attention as the next-generation in Mars exploration because of its ability to obtain more accurate data than an orbiter and over a wider area than a lander or rover. However, due to the severe condition of Mars, it was required to demonstrate the flight feasibility under the same conditions. So, a high-altitude flight demonstration on Earth was conducted using a High-altitude Balloon in June 2016 (Mars Airplane Balloon Experiment-1 (MABE-1)). In MABE-1, the flight testing was conducted at an altitude of 40 km because the condition is similar to that of the Mars flight scenario. We conducted the thermal analysis of MABE-1 using a thermal mathematical model generated inThermal Desktop©. The model was simulated the on-board devices, thermal control system, and the thermal environment. This paper describes the thermal analysis of Mars Airplane Balloon Experiment-1, and compares the predicted temperatures and the flight testing data.