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Performance test of solar-assisted ejector cooling system.

Author(s) : HUANG B. J., TON W. Z., WU C. C., et al.

Type of article: Article, IJR article

Summary

A solar-assisted ejector cooling/heating system (SACH-2k) is built and test result is reported. The solar-driven ejector cooling system (ECS) is connected in series with an inverter-type air conditioner (IAC). Several advanced technologies are developed in SACH-k2, including generator liquid level control in ECS, the ECS evaporator temperature control, and optimal control of fan power in cooling tower of ECS. From the field test results, the generator liquid level control performs quite well and keeps stable performance of ejector. The ECS evaporator temperature control also performs satisfactorily to keep ejector performance normally under low or fluctuating solar radiation. The fan power control system cooling tower performs stably and reduces the power consumption dramatically without affecting the ECS performance. The test results show that the overall system COPo including power consumptions of peripheral increases from 2.94–3.3 (IAC alone) to 4.06–4.5 (SACH-k2), about 33–43%. The highest COPo is 4.5.

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Pages: 172-185

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Details

  • Original title: Performance test of solar-assisted ejector cooling system.
  • Record ID : 30010958
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 39
  • Publication date: 2014/03

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