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Sensitivity Analysis on KS and JIS Standard for Heat Recovery Ventilator  

Yee Jurng-Jae (Faculty of Architectural Design & Engineering, Dang-A University)
Ihm Pyeong-Chan (Faculty of Architectural Design & Engineering, Dang-A University)
Kim Hwan-Yong (School of Architecture, Gyeongsang National University)
Publication Information
Korean Journal of Air-Conditioning and Refrigeration Engineering / v.17, no.11, 2005 , pp. 998-1004 More about this Journal
Abstract
Recently natural ventilation rate is decreased due to the airtightness of apartment building. Therefore the use of heat recovery ventilator (HRV) has been greatly increased as an alternative method to supply fresh air and save energy in the building. In this research the experiment standard of HRV is compared between KS and JIS and the sensitivity analyses are experimented by both standards. Under cooling experiment condition indoor and outdoor wet-bulb temperature difference of JIS is 2 to 3 times higher than that of KS. It shows that the efficiency measurement of HRV by KS is expected to have greater sensitivity than by JIS and thus accurate measurement of web-bulb temperature is required. The experimental results provide that the efficiency of thermal exchange is resemblance to each others between KS and JIS. Under cooling experiment condition the efficiency of humidity exchange by KS presents higher than by JIS, however, under heating experiment condition the efficiency by KS shows lower than by JIS, reversely.
Keywords
KS; JIS; IAQ; Heat recovery ventilator;
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  • Reference
1 JIS B 8628, Air-to-air heat exchangers. JRAIA/JSA
2 KS B 6879, Heat Recovery Ventilator, Korean Standards Association
3 ASHRAE Standard 62, 2001, Ventilation for Acceptable Indoor Air Quality, ASHRAE
4 Yee, J. J., Lee, J. H. and Lee, S. M., 2005, IAQ Filed survey in an appartment housing equiped for heat recovery ventilation system with air cleaning function, Korean Journal of Air-Conditioning and Refrigeration Engineering, Vol. 17, No. 5, pp. 688-693
5 Kim, S. M., Park, B. Y. and Sohn, J. Y., 2005. Evaluation of the performance and energy consumption characteristics of heat recovery ventilators in apartments, Korean Journal of Air-Conditioning and Refrigeration Engineering, Vol. 17, No. 5, pp. 496-504
6 Yee, J. J., Lee, S. H., Kim, Y. K. and Park, S. K, 2005, CFD Simulation on the indoor air quality in apartment housing equipped for total heat exchanger with air cleaning function, Journal of the Architectural Institute of Korea, Vol. 21, No.3, pp. 157-164