Cooling load temperature difference calculation method: Difference between revisions

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Revision as of 17:28, 1 December 2010

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The CLTD/CLF/SCL (Cooling Load Temperature Difference/Cooling Load Factor/Solar Cooling Load Factor) Cooling Load Calculation Method was first introduced in the 1979 [[ASHRAE]] Cooling and Heating Load Manual (GRP-158) <ref name=SML>Spitler, J.D., F.C. McQuiston, K. Lindsey. 1993. The CLTD/SCL/CLF Cooling Load

Calculation Method, ASHRAE Transactions. 99(1): 183-192.</ref> The CLTD/CLF/SCL Method is regarded as a reasonably accurate approximation of the total heat gains through a building envelope for the purposes of sizing [[HVAC]] equipment. This method was developed as a simpler calculation alternative to difficult and unwieldy calculation methods such as the Transfer Function Method and the [[Sol-air temperature]] Temperature Method. <ref name=MS>McQuiston, F.C., and J.D. Spitler. 1992. Cooling and heating load calculation manual. Atlanta: ASHRAE</ref> Error when using the CLTD/CLF/SCL method tends to be less than twenty percent over and less than ten percent under. <ref name=SML/>

===History===