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Title: A generalized methodology for determining the total heat gain through building envelopes
Authors: Chou, S.K. 
Chang, W.L. 
Keywords: Building envelope heat gain
Overall thermal transfer value (OTTV)
Issue Date: 1996
Citation: Chou, S.K.,Chang, W.L. (1996). A generalized methodology for determining the total heat gain through building envelopes. International Journal of Energy Research 20 (10) : 887-901. ScholarBank@NUS Repository.
Abstract: We present a generalized methodology for determining the annual total heat gain through external wails and roofs of large air-conditioned buildings. The methodology is based on the concept of the overall thermal transfer value (OTTV). Respective OTTV equations for building envelopes and roofs are developed through parametric simulations using the DOE-2 computer code. The equations are valid for buildings having different aspect ratios and wall masses. Appropriate coefficients for heat conduction through fenestrations and opaque walls and solar correction factors for wail facades of different orientations are computed from local weather data. The equations allow building designers to make accurate estimates of the total heat gain for the purpose of evaluating energy-efficient building envelope components and air-conditioning systems and plant options. The methodology is validated using DOE-2 computed heat gam results and can be applied to different classes of buildings, construction types and locations.
Source Title: International Journal of Energy Research
ISSN: 0363907X
Appears in Collections:Staff Publications

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