La conductivité thermique du mélange HFO-1234ze(E) + HFC-32.
Thermal conductivity of HFO-1234ze(E) + HFC-32 mixture.
Number: pap. NS10
Author(s) : MIYARA A., TSUBAKI K., SATO N.
Summary
Thermal conductivities of saturated liquid of HFO-1234ze(E), HFC-32, and their mixture has been measured and the measured data are reported promptly, though measured conditions are limited and further survey is required for verification of the measurement uncertainty. Measured thermal conductivity of ethanol with the present apparatus agrees with value from literature within ±3% error in the temperature condition of 10-50°C though it is 10% lower at 70°C. Measured thermal conductivity of HFC-32 is 5~7% higher than literature values. Thermal conductivity of HFO-1234ze(E) is about 30% lower than that of HFC-32. For HFO-1234ze(E)+HFC-32 mixture with 50/50mass%, thermal conductivity is between those of HFO-1234ze(E) and HFC-32 and concentration variation shows slightly concave line.
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Details
- Original title: Thermal conductivity of HFO-1234ze(E) + HFC-32 mixture.
- Record ID : 30000525
- Languages: English
- Source: Measures to address climate change. 2010 International Symposium on Next-generation Air Conditioning and Refrigeration Technology: February 17-19, Tokyo, Japan.
- Publication date: 2010/02/17
Links
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Indexing
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Themes:
Thermodynamic measurements;
HFCs;
Heat transfer;
Blends - Keywords: Thermal conductivity; Saturation; Measurement; Liquid; Heat transfer; R32; R1234ze; Mixture; Refrigerant
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