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ANSI/ASHRAE 41.9-2021

Standard Methods for Refrigerant Mass Flow Measurements Using Calorimeters

Prescribes methods for measuring mass flow rates for refrigerants and refrigerant/lubricant mixtures using calorimeters. Applies to measuring mass flow rates for refrigerants and refrigerant/lubricant mixtures using calorimeters in laboratories. Applies where the entire flow stream of the refrigerant or the refrigerant/lubricant mixture enters the calorimeter as a subcooled liquid and leaves as a superheated vapor (evaporator type). Applies where the entire flow stream of the refrigerant or the refrigerant/lubricant

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American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ASHRAE]


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