M00009161
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RP-690 -- Laboratory Study to Determine the Flow Resistance of Oval Ducts and Fittings
Report / Survey by ASHRAE, 1994
This report describes an experimental investigation of pressure losses in spiral flat oval ducts and related fittings. Accurate pressure drop predictions are required to design HVAC (heating, ventilating, and air conditioning) systems. Incomplete or inaccurate pressure loss data can contribute to errors in duct system sizing, fan selection, and system balancing, leading to penalties in terms of initial and operating costs.
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Availability date: 03/09/2022