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首页> 外文会议>International Institute of Refrigeration;Institut International Du Froid;IIR International Conference on HFO Refrigerants and Blends >Isochoric Heat Capacity Measurements of HFO Refrigerants (R 1336mzz(E) and R 1336mzz(Z)) Using Twin-Cell Type Adiabatic Calorimeter
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Isochoric Heat Capacity Measurements of HFO Refrigerants (R 1336mzz(E) and R 1336mzz(Z)) Using Twin-Cell Type Adiabatic Calorimeter

机译：Isochoric Heat Capacity Measurements of HFO Refrigerants (R 1336mzz(E) and R 1336mzz(Z)) Using Twin-Cell Type Adiabatic Calorimeter

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摘要

The isochoric heat capacity (cv) of trans-1,1,1,4,4,4-hexafluoro-2-butane (R 1336mzz(E)) and cis-1,1,1,4,4,4-hexafluoro-2-butane (R 1336mzz(Z)), which are HFO refrigerants expected as alternativerefrigerants, was measured in each liquid phase. As a result, 318 points for R 1336mzz(E) and 248 points forR 1336mzz(Z) were respectively obtained in the temperature range of 267 K to 472 K at pressures up to 30MPa. The expanded uncertainty (with a coverage factor k=2) of temperature measurements was 13 mK, andpressure measurements was 8 kPa. That of density was 0.16%. The relative uncertainty of cv was derivedfrom 2.6% to 3.3% for R 1336mzz(E) and was from 2.5% to 3.0% for R 1336mzz(Z). The both samplepurities were identified by gas chromatography, was 99.96% for R 1336mzz(E), and 99.93% for R1336mzz(Z), respectively.
机译：反式-1,1,1,4,4,4-六氟-2-丁烷（R 1336mzz（E））和顺式-1,1,4,4-六氟-2-丁烷的等容热容（cv）-

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