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공조기를 이용한 외피 기밀도 실측 및 적용성 분석

Estimation of Air-Handler Fan Pressurization Test Applicability Based on the Field Measurement of Envelope Leakage

  • 발행 : 2013.06.25

초록

This research is a case study performing the air-handler fan pressurization test in two office building. The test has been following the existing test standard(i.e. ASTM E779-10, CAN/CGSB-149.15-96 Standard). The test building is a 5-story office with a square($32.4m{\times}32.4m$) footprint built in 2001 at Daejeon. Another test building is a 12-story offce building with a square($34.9m{\times}34.9m$) at Seoul. Before the test, the standards about air leakage test is analyzed. Then, the pressure difference measurement is apply to ASTM standard. To measure the whole building envelope leakage, the air-handler units operated at the 100% outdoor air mode with closed RA dampers, EA dampers. This results is represent to ACH50, ELA, EqLA compared to other standards. This paper provides some practical information acquired in the field measurement of air tightness test using the established air-handler fan pressurization test method.

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참고문헌

  1. J.W Jeong (2008), Case studies of building envelope leakage measurement using an air-handler fan pressurization approach, Building Services Engineering Research and Technology, Vol. 29, pp. 137-155 https://doi.org/10.1177/0143624407088049
  2. ASTM. (2010) ASTM Standard E779-10 : Standard Test Method for Determining Air Leakage Rate by Fan Pressurization. American Society for Testing and Materials.
  3. CGSB Standard 149.15-96.(1996) "Determination of the Over all Envelope Airtightness of Buildings by the Fan Pressurization Method Using the Building's Air Handing Systems", Canadian General Standards Board.
  4. EN 13829. (2001) Hellenic Standard. Thermal performance of buildings-determination of air permeability of buildings-fan pressurization method.
  5. USACE, U.S. Army Corps of Engineers (2012) Air Leakage Test Protocol for Building Envelopes, Version 3.0, U.S. Army Engineer Research and Development Center.
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  8. ATTMA. (2010) Technical Standard L2 : Measuring Air permeability of building envelopes. The Air Tightness Testing & Measurement Association.