Spacecraft “Foton-M” in-flight thermal conditions |
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Authors: | NN Smirnov OE Ivashnyov VA Nerchenko AE Kazakova |
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Institution: | 1. Faculty of Mechanics and Mathematics, Moscow M.V. Lomonosov State University, Moscow 119899, Russia;2. Central Specialized Design Bureau TsSKB Progress, Samara, Russia;1. Department of Chemical Engineering, Mahshahr Branch, Islamic Azad University, Mahshahr, Iran;2. Department of Chemical Engineering, Noshirvani University of Technology, Babol, Iran;1. Beijing Institute of Space Mechanics and Electricity, Beijing 100094, China;2. Beijing Key Laboratory of Advanced Optical Remote Sensing Technology, Beijing 100094, China;3. College of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China |
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Abstract: | The problem of thermal conditions aboard the “Foton-M” spacecraft during its orbital flight is under consideration in this paper. The problem is very acute for performing microgravity experiments onboard of the orbital platform, because on one hand, many experiments need a definite temperature range to be performed, and on the other hand all electrical devices aboard radiate heat. To avoid uncontrolled heating of the environment special heat exchangers are used. To transport heat from different places of the capsule to heat exchanger special fans are installed given definite orientation. All the heat exchange facilities should be designed in advance being adjusted to current capsule loading and heat radiation by equipment. Thus special tools are needed predicting the capsule thermal conditions being function of equipment placement.The present paper introduces a new developed prognostic mathematical model able to forecast temperature distribution inside the capsule with account of fan induced air flows, thermal irradiation by scientific equipment and heat losses due to cooling system. |
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