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Study on the Control Performance Evaluation of the Exhaust Stack used in High Riser Public House  

Kwon, Yong-Il (Department of Building Mechanical Engineering, Shinheung College)
Ahn, Jung-Hun (Sewon System vent)
Publication Information
Korean Journal of Air-Conditioning and Refrigeration Engineering / v.21, no.2, 2009 , pp. 103-108 More about this Journal
Abstract
Local exhaust system used in toilet and cooking place of low-rise public house installed roof ventilator at terminal of stack. There are many high riser public houses in Korea. These buildings were not viewed as being major contributors to exhaust pollutants producted in indoor. It was because many engineers thought that exhaust in high riser public house depends on stack effect. But Neutral pressure level represents in a terminal of stack with air tightness for the best exhaust efficiency. Thereby, lower floors have the worst indoor air quality. This paper focuses mainly on the exhaust efficiency improved by roof fan with motor installed in high riser public house. It is observed there is higher exhaust efficiency than the existing natural roof ventilator.
Keywords
Exhaust efficiency; Natural roof ventilator; Exhaust stack;
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  • Reference
1 Shaw, C. Y. and Tamura, G. T., 1977, The Calculation of Air Infiltration Rates Caused by Wind and Stack Action for Tall Building, AHSRAE Transactions, Vol. 83, No. 2, pp. 145-148
2 Tamura, G. T. and Wilson, G. T., 1967, Pressure Differences Caused by Chimney Effect in Three High Buildings, ASHRAE Transactions, Vol. 73(II), pp. II.1.1-II.1.10