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Comparison of North American and U.K. Cooling Load Calculation Procedures - Results

Publication Type

Journal Article

Authors

Rees, Simon J., Jeffrey D. Spitler, Philip Haves

Abstract

Calculation of design cooling loads is of critical concern to designers of HVAC systems. The work reported here has been carried out under a joint ASHRAE/CIBSE research project to compare design cooling calculation methods. Three calculation methods have been tested, the ASHRAE heat balance method and radiant time series method, and the admit- tance method, used in the U.K. The results presented in this paper show the general trends in over/underprediction of peak load in the simplified methods compared to the heat balance method. The performance of the simplified methods is explained in terms of some of the underlying assumptions in the methods and by reference to specific examples.

Journal

ASHRAE Transactions

Volume

104

Year of Publication

1998

Issue

Organization

Building Technologies Department, Building Technology and Urban Systems Division, Simulation Research

Research Areas

BTUS Modeling and Simulation