HFO-1234ze(E)+HFC-32混合冷媒のPρTχ性質の測定

Translated title of the contribution: PρTχ Property Measurements of Binary HFO-1234ze(E)+HFC-32 Refrigerant Mixtures

小林 恵三, 田中 勝之, 東 之弘

Research output: Contribution to journalArticle

Abstract

<tt>An experimental apparatus for measuring </tt><tt><i>PρTx </i></tt><tt>(pressure-density-temperature-composition) properties along isochores was constructed. After the calibration of pressure sensor and the determination of the inner volume of sample vessel, the reproducibility of the experimental apparatus was confirmed by the measurement of isochores for pure HFC-134a (1,1,1,2-tetrafluoroethane). The </tt><tt><i>PρTx </i></tt><tt>properties of the 50 mass% HFO-1234ze(E) (trans-1,3,3,3-tetrafluoropropene) + 50 mass% HFC-32 (difluoromethane) mixtures and those of the 75 mass% HFO-1234ze(E) + 25 mass% HFC-32 mixtures were measured for five isochores including 128 </tt><tt><i>PρTx </i></tt><tt>property data points and for seven isochores including 188 </tt><tt><i>PρTx </i></tt><tt>property data points, respectively. The critical pressures were determined from the present isochores close to the critical density against the critical temperature. The relationship between pressure and temperature at vapor-liquid equilibrium was graphically determined from thepresentisochores</tt><tt>. </tt>
Original languageJapanese
Pages (from-to)415-426
Number of pages12
Journal日本冷凍空調学会論文集
Volume28
Issue number4
DOIs
Publication statusPublished - Dec 31 2011

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refrigerants
critical pressure
liquid-vapor equilibrium
pressure sensors
vessels
critical temperature
temperature

Cite this

HFO-1234ze(E)+HFC-32混合冷媒のPρTχ性質の測定. / 小林恵三; 田中勝之; 東之弘.

In: 日本冷凍空調学会論文集, Vol. 28, No. 4, 31.12.2011, p. 415-426.

Research output: Contribution to journalArticle

小林恵三 ; 田中勝之 ; 東之弘. / HFO-1234ze(E)+HFC-32混合冷媒のPρTχ性質の測定. In: 日本冷凍空調学会論文集. 2011 ; Vol. 28, No. 4. pp. 415-426.
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abstract = "An experimental apparatus for measuring PρTx (pressure-density-temperature-composition) properties along isochores was constructed. After the calibration of pressure sensor and the determination of the inner volume of sample vessel, the reproducibility of the experimental apparatus was confirmed by the measurement of isochores for pure HFC-134a (1,1,1,2-tetrafluoroethane). The PρTx properties of the 50 mass{\%} HFO-1234ze(E) (trans-1,3,3,3-tetrafluoropropene) + 50 mass{\%} HFC-32 (difluoromethane) mixtures and those of the 75 mass{\%} HFO-1234ze(E) + 25 mass{\%} HFC-32 mixtures were measured for five isochores including 128 PρTx property data points and for seven isochores including 188 PρTx property data points, respectively. The critical pressures were determined from the present isochores close to the critical density against the critical temperature. The relationship between pressure and temperature at vapor-liquid equilibrium was graphically determined from thepresentisochores.",
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AU - 東, 之弘

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AB - An experimental apparatus for measuring PρTx (pressure-density-temperature-composition) properties along isochores was constructed. After the calibration of pressure sensor and the determination of the inner volume of sample vessel, the reproducibility of the experimental apparatus was confirmed by the measurement of isochores for pure HFC-134a (1,1,1,2-tetrafluoroethane). The PρTx properties of the 50 mass% HFO-1234ze(E) (trans-1,3,3,3-tetrafluoropropene) + 50 mass% HFC-32 (difluoromethane) mixtures and those of the 75 mass% HFO-1234ze(E) + 25 mass% HFC-32 mixtures were measured for five isochores including 128 PρTx property data points and for seven isochores including 188 PρTx property data points, respectively. The critical pressures were determined from the present isochores close to the critical density against the critical temperature. The relationship between pressure and temperature at vapor-liquid equilibrium was graphically determined from thepresentisochores.

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M3 - 記事

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