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http://hdl.handle.net/10397/44115
Title: | Thermal performances comparison between dry-coil and wet-coil indirect evaporative cooler under the same configuration | Authors: | Chen, Y Yang, H |
Issue Date: | 2015 | Source: | Energy procedia, 2015, v. 75, no. , p. 3162-3167 | Abstract: | The indirect evaporative cooling (IEC) is an energy efficiency and environmental friendly air-conditioning device which cools the air by water evaporation. In the market, there're two kinds of IEC units, namely dry-coil IEC and wet-coil IEC. The only differences between them lie in the sequence of air humidification process and heat exchange process. In dry-coil IEC, the two processes are separated. The working air firstly being humidified and then proceed sensible heat exchange with the fresh air; while in wet-coil IEC, the two processes are simultaneous. The different arrangement may result in distinction of thermal performance. The paper presents the analytical models for dry-coil IEC and wet-coil IEC and compares their supply air temperature and cooling efficiency under the same configuration. The condensation and non-condensation statuses for both IEC types were discussed by simulation under a wide range of fresh air inlet parameters. The results show that the wet-coil IEC owns a higher efficiency and can provide lower temperature supply air either in condensation or non-condensation statuses. Besides, the efficiency of both types of IEC will be lowered once condensation occurs. | Keywords: | Comparison Condensation Dry-coil IEC Efficiency Simulation Wet-coil IEC |
Publisher: | Elsevier | Journal: | Energy procedia | EISSN: | 1876-6102 | DOI: | 10.1016/j.egypro.2015.07.653 | Description: | 7th International Conference on Applied Energy, ICAE 2015, 28-31 March 2015 | Rights: | © 2015 Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). The following publication Chen, Y., & Yang, H. (2015). Thermal performances comparison between dry-coil and wet-coil indirect evaporative cooler under the same configuration. Energy Procedia, 75, 3162-3167 is available athttps://dx.doi.org/10.1016/j.egypro.2015.07.653 |
Appears in Collections: | Conference Paper |
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