• CH-81-12-4 -- Abbreviation of Climate Data for Building Thermal Analysis Programs Using Representative Samples of Various Lengths

CH-81-12-4 -- Abbreviation of Climate Data for Building Thermal Analysis Programs Using Representative Samples of Various Lengths

ASHRAE , 1981

Publisher: ASHRAE

File Format: PDF

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This paper documents a technique for abbreviating the climate data requirements for buildings thermal analysis programs and investigates the effect of various levels of abbreviation on program accuracy. The technique is incorporated in a computer program that reads a standard full year weather file and selects from each month’s hourly observations a segment representative of the month. The advantages and requirements of abbreviated data are first discussed followed by a brief description of the development of the technique. A series of initial tests using 96 hour segments is documented to show the technique’s effectiveness for envelope-dominated buildings, and a comparison of test runs using varied segment lengths reveals the advantages of using longer segments with more massive buildings.

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