Development of a thermal vacuum testing system using Peltier element

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The concept of lean satellites is driving academia, industry, and governments across the globe to pursue space for research and education, economics, technological demonstration, security and many more. An objective of this concept is making space accessible, affordable, and reliable, especially for new entrants in the space field. One of the ways to achieve this is making environmental testing of satellites accessible and inexpensive. We present in this paper, the development of a comparatively inexpensive thermal vacuum testing system, equipped with a thermoelectric device that uses the Peltier principle of heat generation. The thermoelectric device is a commercial-off-the-shelf (COTS) component with a cooling capacity of 16.9 W. The testing system does not require LN2 or silicon oil for simulating cold conditions. In addition, the testing system is capable of vacuum thermal cycling and balancing tests within -45 to +75 ℃℃, well beyond the minimum requirements of the ISO-19683. These characteristics make the testing system simple, accessible, and inexpensive. We hope that this testing system would foster the growth of scientific and technical endeavors within the CubeSat community.

第65回宇宙科学技術連合講演会, 2021年11月9日-12日, オンライン開催

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