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DC-2795 (RP-257) -- Formulations for Thermodynamic Properties of Moist Air at Low Pressures as Used for Construction of New ASHRAE SI Unit Psychrometric Charts
Conference Proceeding by ASHRAE, 1983
R.B. Stewart; R.T. Jacobsen; J.H. Becker
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The calculations used in the preparation of seven new ASHRAE psychrometric charts are described. A brief introduction is given to the thermodynamic property formulation for moist air developed by A. Wexler and R.W. Hyland at the National Bureau of Standards in ASHRAE Research Project RP-216. Definitions of humidity parameters and other properties are given, arid copies of the seven psychrometric charts prepared using the new property formulation are included.
Citation: ASHRAE Transactions, 1983, vol. 89, pt. 2A, Washington, D.C.