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수직샤프트를 통한 주방배기의 수직 구획별 배기 특성에 관한 연구 KCI 등재후보

A Study on the Vertical Sectional Exhaust Characteristics from Kitchens Using a Vertical Shaft

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한국실내환경학회지 (Journal of Korean Society for Indoor Environment)
한국실내환경학회 (Korean Society for Indoor Environment)
초록

Recently a high-rise building is built in many places. However some problems are occurred in the high-rise buildings. Especially, at the case of the kitchen exhaust using vertical shaft, the kitchen exhaust fan sometimes can not work normally because of unbalance of pressure inside the shaft. In this study, under the assumption that the kitchen exhaust system applied uniformly can not cope with the various changes of the outside environment, the vertical sectional characteristics of a kitchen exhaust using vertial shaft is analyzed. Outside temperature, number of the floors and operating ratio of the vertically connected fan are selected as major parameter. And it is analyzed by a network simulation method. In case of 60 stories building, the standard deviations are 115.6 at the second floor, 74.9 at the 30th floor and 20.7 at the 60th floor. The standard deviation at the lower part is about 5.5 times than the upper part. So the results of the simulation show that the kitchen exhaust system should be installed considering the vertical sectional exhaust characteristics.

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