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Experiences with and interpretation of standard test methods of building energy analysis tools

Bradley, D.E. and Kummert, M. and McDowell, T.P. (2004) Experiences with and interpretation of standard test methods of building energy analysis tools. In: Proceedings of the IBPSA-Canada Bi-Annual Conference, eSIM 2004. IBPSA.

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Abstract

The authors separately apply ANSI/ASHRAE Standard 140-2001 to the simulation program TRNSYS, comparing not only their results but the differences in their simulation assumptions and in their interpretations of the Standard's test cases. Results of the application are presented for all three authors, showing that there is a significant amount of leeway within a complex simulation tool such as TRNSYS for users of different backgrounds to apply their own common simulating practices and still fall comfortably within the range of acceptability specified by such Standards. Included in the application results are results of sensitivity tests that demonstrate the relative importance of assumption differences.