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4765 (RP-1162) – Window Performance for Human Thermal Comfort

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Conference Proceeding by ASHRAE, 2005

Category:

Description

This paper discusses the development of a methodology to quantify window performance on human thermal comfort with eight case studies of different window systems. The methodology is based on the Building Comfort Analysis Program that was developed during ASHRAE research projects 657 and 907.

Human thermal comfort is achieved by maintaining a heat balance between the human body and the environment. This is accomplished by convection and radiation. In a room there are other associated issues, such as conduction through the walls, convection past the walls, and radiation between the various surfaces, that will influence comfort. The presence of a window system adds complexity to the problem as they have different optical and thermal properties. This paper expands on the existing three-dimensional mathematical model by incorporating a method to read in a user-defined window and also read in the properties obtained from the widely available Window 5.1™ program. A representative case study is analyzed to illustrate the means of quantifying the results. Results have been quantified as percentage of comfortable floor area.

Units: SI

Citation: ASHRAE Transactions, vol. 111, pt. 1, Orlando 2005

Product Details

Published:
2005
Number of Pages:
22
File Size:
1 file , 2.3 MB
Product Code(s):
D-25661