Abstract
Predictions of building system noise are a daily task for acoustical consultants. Though each consultant may rely on a different set of tools, these calculations generally trace back to guidelines and algorithms established by the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE). Several software programs incorporate these algorithms, which can expedite the calculation process over look-up tables. This presentation will start with a survey of calculation approaches and the core assumptions on which they are based. Next, the presentation will shift to aspects of ductwork and fan design that can challenge these assumptions and how to model these intermediate concepts. Early career acousticians will come away equipped with a deeper understanding of building system noise calculation techniques.
Published Version
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