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Comparative Study Of On-Off Control And Novel High- Low Control Of Regenerative Indirect Evaporative Cooler (Riec)., Yi Chen, Huaxia Yan, Hongxing Yang
Comparative Study Of On-Off Control And Novel High- Low Control Of Regenerative Indirect Evaporative Cooler (Riec)., Yi Chen, Huaxia Yan, Hongxing Yang
Faculty of Science & Technology (THEi)
The main characteristic of an indirect evaporative cooler (IEC) is its dependency on ambient air conditions. To ensure stable indoor temperature and provide better thermal comfort for the occupants, proper control strategy is essential. However, very limited studies report the controller used in IEC. Therefore, two control schemes are comparatively studied for regenerative indirect evaporative cooler (RIEC) application, including conventional on-off control and newly proposed high-low (H-L) control. Under on-off control scheme, the fans are either in operation at constant rated speeds or turned off if the indoor temperature is satisfied. While under H-L control scheme, the fans would be …