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A new method for the measurement of solar collector time constant

Author

Listed:
  • Hou, H.J.
  • Wang, Z.F.
  • Wang, R.Z.
  • Wang, P.M.

Abstract

A new test method about the time constant of the solar collector has been presented in this paper. It is simple and has been validated through experiments. With the new method it is not necessary to adjust the inlet temperature of the transfer fluid as closely as possible to the ambient air temperature. Also, it is not necessary to know the characteristic parameters of the collector in advance. The model used in the paper is a first order system model, as in most cases. The experimental data obtained from the test of solar collector time constant shows that the solar collector is not a strictly first order system. A criterion is proposed to decide whether the system is a first order system or not and the resemblance of the system to the first order system.

Suggested Citation

  • Hou, H.J. & Wang, Z.F. & Wang, R.Z. & Wang, P.M., 2005. "A new method for the measurement of solar collector time constant," Renewable Energy, Elsevier, vol. 30(6), pages 855-865.
    • Handle: RePEc:eee:renene:v:30:y:2005:i:6:p:855-865
    DOI: 10.1016/j.renene.2004.08.005
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    Citations

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    Cited by:

    1. Sadegh Hosseini, Seyed Mohammad & Dehaj, Mohammad Shafiey, 2021. "An experimental study on energetic performance evaluation of a parabolic trough solar collector operating with Al2O3/water and GO/water nanofluids," Energy, Elsevier, vol. 234(C).
    2. Ma, Ruihua & Ma, Dongyan & Ma, Ruijiang & Long, Enshen, 2022. "Theoretical and experimental analysis of temperature variation of V–Ti black ceramic solar collector," Renewable Energy, Elsevier, vol. 194(C), pages 1153-1162.
    3. Deng, Jie & Xu, Yupeng & Yang, Xudong, 2015. "A dynamic thermal performance model for flat-plate solar collectors based on the thermal inertia correction of the steady-state test method," Renewable Energy, Elsevier, vol. 76(C), pages 679-686.

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