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Second virial-coefficients of R32-R134a based on the sound-velocity measurements.
Author(s) : HOZUMI T., SATO H., WATANABE K.
Summary
The experimental sound velocities in gaseous binary refrigerant R32-R134a have been measured by a spherical resonator. A total of 203 sound velocities for the 0.16, 0.34, 0.58, 0.76, 0.90 and 0.95 mole fraction of R32 at temperatures from 303 to 343 K and pressures from 30 to 240 kilopascals are graphically presented. Nineteen second acoustic-virial-coefficients have been determined at the 0.16-0.95 mole fractions of R32 based on the present sound-velocity data.
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Details
- Original title: Second virial-coefficients of R32-R134a based on the sound-velocity measurements.
- Record ID : 1996-0738
- Languages: English
- Source: For a Better Quality of Life. 19th International Congress of Refrigeration.
- Publication date: 1995/08/20
- Document available for consultation in the library of the IIR headquarters only.
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Indexing
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Themes:
HFCs;
Blends - Keywords: R134a; Gas; Calculation; Measurement; Sound velocity; R32; Substitute; Mixture; Refrigerant
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