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Watanabe, Yuko; Kobayashi, Hiroshi; UTSUMI, Yasuo. Development of validation of ac-pressurization measuring of leakage area of houses. In: BUILDING SIMULATION, 6., 1999, Kyoto. Anais... Kyoto, 1999. p. 807-814.
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Abstract

This paper is focused on the development of measuring equipment of Effective Leakage Area (ELA) by ACpressurization method. The formula to design the measuring system is derived according to the governing equation of the leakage, e.g. in terms of flow rate through the leakage, volume changing, sinusoidal pressurization, etc. Considering the constraints, such as available equipment performance, the size to be transported by hand, etc., the simulation with 180 cases is executed and the configuration is designed. After constructing the equipment, the field experiment is carried out to validate the equipment performance, particularly the peak pressure difference DP between inside and outside should be over 4[Pa]. The result shows that the equipment generates expected DP and that the measured ELA is slightly over the one by DCpress. (de-pressurization) method.
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