Volume 47 Issue 7
Jul.  2021
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YANG Sheng, WANG Xi. A calculation method for effective power supply area of manned spacecraft with body mounted solar array[J]. Journal of Beijing University of Aeronautics and Astronautics, 2021, 47(7): 1332-1337. doi: 10.13700/j.bh.1001-5965.2020.0216(in Chinese)
Citation: YANG Sheng, WANG Xi. A calculation method for effective power supply area of manned spacecraft with body mounted solar array[J]. Journal of Beijing University of Aeronautics and Astronautics, 2021, 47(7): 1332-1337. doi: 10.13700/j.bh.1001-5965.2020.0216(in Chinese)

A calculation method for effective power supply area of manned spacecraft with body mounted solar array

doi: 10.13700/j.bh.1001-5965.2020.0216
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  • Corresponding author: YANG Sheng. E-mail: cast_ys@tom.com
  • Received Date: 27 May 2020
  • Accepted Date: 07 Aug 2020
  • Publish Date: 20 Jul 2021
  • The power supply capability is proportional to the effective area of spacecraft solar array. For cylindrical manned spacecraft, a calculation method for effective area of body mounted solar array is proposed. First, the mounted solar array was divided into n parts along the circumference. The angle between the sun vector and the normal of each part (incidence angle) was calculated by coordinate transform. Then, the effective area of body mounted solar array was obtained by summing up the products of the area of each part and the cosine of incidence angle. Finally, the proposed method was verified by effective area simulation under different orbit sunlight angles and different flight attitudes for manned spacecraft with body mounted solar array. The simulation results show that the average effective area can reach 25%-32% of the mounted area under earth-oriented three-axis stabilized attitude the flight attitude of orientating the earth. By yawing the manned spacecraft with fixed angle, the ratio of effective area to mounted area can be expanded to 30%-44%.

     

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