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ASHRAE , 2019
Publisher: ASHRAE
File Format: PDF
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The objective of this research was to determine the relative and absolute roughness of phenolic duct systems connected with four-bolt flange and cleat joints, using test and data reduction procedures provided in ANSI/ASHRAE Standard 120-2017 “Method of Testing to Determine Flow Resistance of HVAC Ducts and Fittings”.
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