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Optimal design of the solar tracking system of parabolic trough concentrating collectors

Author

Listed:
  • Li Kong
  • Yunpeng Zhang
  • Zhijian Lin
  • Zhongzhu Qiu
  • Chunying Li
  • Ping Le

Abstract

The present work aimed to select the optimum solar tracking mode for parabolic trough concentrating collectors using numerical simulation. The current work involved: (1) the calculation of daily solar radiation on the Earth’s surface, (2) the comparison of annual direct solar radiation received under different tracking modes and (3) the determination of optimum tilt angle for the north-south tilt tracking mode. It was found that the order of solar radiation received in Shanghai under the available tracking modes was: dual-axis tracking > north-south Earth’s axis tracking > north-south tilt tracking (β = 15°) > north-south tilt tracking (β = 45) > north-south horizontal tracking > east-west horizontal tracking. Single-axis solar tracking modes feature simple structures and low cost. This study also found that the solar radiation received under the north-south tilt tracking mode was higher than that of the north-south Earth’s axis tracking mode in 7 out of 12 months. Therefore, the north-south tilt tracking mode was studied separately to determine the corresponding optimum tilt angles in Haikou, Lhasa, Shanghai, Beijing and Hohhot, respectively, which were shown as follows: 18.81°, 27.29°, 28.67°, 36.21° and 37.97°.

Suggested Citation

  • Li Kong & Yunpeng Zhang & Zhijian Lin & Zhongzhu Qiu & Chunying Li & Ping Le, 0. "Optimal design of the solar tracking system of parabolic trough concentrating collectors," International Journal of Low-Carbon Technologies, Oxford University Press, vol. 15(4), pages 613-619.
    • Handle: RePEc:oup:ijlctc:v:15:y::i:4:p:613-619.
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    File URL: http://hdl.handle.net/10.1093/ijlct/ctaa065
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