Abstract
This paper presents a methodology and workflow for utilizing Building Information Modeling (BIM) software to expedite the calculation of duct borne noise according to Chapter 49 of the ASHRAE Handbook – HVAC Applications. Using Dynamo script for Autodesk Revit, relevant building mechanical system parameters are extracted to perform noise calculations with reduced manual input. Resulting predictions for receiver sound pressure levels are compared to other software tools available in the industry. Advantages and limitations of this approach are weighed to assess the utility of Building Information Models in the context of the noise prediction workflow. The results of this effort support the development of more robust duct noise prediction tools that are not only more accurate but also more user-friendly.
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