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Effect of Lock Operations on Airtightness of Sliding and LS Window Systems
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 Title & Authors
Effect of Lock Operations on Airtightness of Sliding and LS Window Systems
Park, Jong Jun; Yun, Yu Ra; Kim, Young Il; Chung, Kwang-Seop;
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 Abstract
In this study, the effects of lock operations on the infiltration rates for the two window types sliding and lift sliding (LS) are investigated through experiment and simulation. The airtightness levels of the two window types-with locks both on and off-were measured according to the KS F 2292 Test method of airtightness that is used for windows and doors. The air-flow rates of both window types with the locks on for a pressure differential of 10 Pa are and , respectively; with the locks off, the air-flow rates of the sliding and LS windows are and , respectively, whereby the air-flow rates are 33% higher for sliding and 247% higher for LS. The air change per hour (ACH) was calculated using the ventilation-simulation software CONTAM. For the sliding window, the ACH changed from 0.45 to 0.57 when the lock was operated from on to off, representing an increase of 27%. For the LS window, the ACH changed from 0.29 to 0.81, showing an increase of 179%.
 Keywords
Window;Lock;Infiltration;Airtightness test;Ventilation simulation;
 Language
Korean
 Cited by
1.
Recent Progress in Air-Conditioning and Refrigeration Research : A Review of Papers Published in the Korean Journal of Air-Conditioning and Refrigeration Engineering in 2015, Korean Journal of Air-Conditioning and Refrigeration Engineering, 2016, 28, 6, 256  crossref(new windwow)
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