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Measurements of PpTx properties for the binary HFO-1234yf + HFC-32 mixtures.
Number: pap. ID: 462
Author(s) : KOBAYASHI K., TANAKA K., HIGASHI Y.
Summary
P?Tx (pressure-density-temperature-composition) properties for the HFO-1234yf + HFC-32 mixtures were measured by the isochoric method. Pressure vessel containing sample mixtures was connected to the pressure sensor directly in the silicon-oil bath. Pressure was measured by the digital quartz-pressure transducer and pressure indicator. Temperature was measured with the 25 O standard platinum resistance thermometer with an aid of AC thermometer bridge. P?Tx measurements were carried out in the temperature range from 310 to 395 K, and pressures up to 7 MPa along the five isochores. The pressure and temperature at the vapor-liquid equilibrium state were determined from the experimental isochore graphically.
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Details
- Original title: Measurements of PpTx properties for the binary HFO-1234yf + HFC-32 mixtures.
- Record ID : 30003079
- Languages: English
- Source: Proceedings of the 23rd IIR International Congress of Refrigeration: Prague, Czech Republic, August 21-26, 2011. Overarching theme: Refrigeration for Sustainable Development.
- Publication date: 2011/08/21
Links
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Indexing
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Themes:
Thermodynamic measurements;
HFCs;
Hydrocarbons;
Blends - Keywords: R1234yf; Chemical composition; Measurement; Density; Temperature; R32; Mixture; Refrigerant
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