HFO-1234ze(E)+HFC-32 混合冷媒の密度および定圧比熱の測定

Translated title of the contribution: Measurements of Density and Isobaric Specific Heat Capacity for HFO-1234ze(E)+HFC-32 Mixtures

田中 勝之, 赤坂 亮, 東 之弘

Research output: Contribution to journalArticle

Abstract

<tt>Measurements of the density and isobaric specific heat capacity for HFO-1234ze(E) (trans-1,3,3,3-tetrafluoropropene)+HFC-32 mixtures were carried out using a metal-bellows calorimeter. Seventy-one densities and thirty-eight isobaric specific heat capacities were obtained in the range of temperatures from 310 to 350 K, pressures from 1.4 to 5.0 MPa, and densities from 724 to 1083 kg</tt>‧<tt>m</tt><tt><sup>-3</sup></tt><tt>. The experimental uncertainties are estimated to be ±10 mK in temperature, ±2 kPa in pressure, ±0.001 mol</tt>‧<tt>mol</tt><tt><sup>-1 </sup></tt><tt>in composition, ±0.2 % in density, ±5 % in isobaric specific heat capacity. On the basis of the present data, the bubble point pressure, the saturated liquid density, and the isobaric specific heat capacity of saturated liquid were also determined. The experimental results were compared with the values calculated from REFPROP</tt><tt>. </tt>
Original languageJapanese
Pages (from-to)427-434
Number of pages8
Journal日本冷凍空調学会論文集
Volume28
Issue number4
DOIs
Publication statusPublished - 2011

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specific heat
calorimeters
liquids
bubbles
temperature
uncertainty
metals

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HFO-1234ze(E)+HFC-32 混合冷媒の密度および定圧比熱の測定. / 田中勝之; 赤坂亮; 東之弘.

In: 日本冷凍空調学会論文集, Vol. 28, No. 4, 2011, p. 427-434.

Research output: Contribution to journalArticle

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title = "HFO-1234ze(E)+HFC-32 混合冷媒の密度および定圧比熱の測定",
abstract = "Measurements of the density and isobaric specific heat capacity for HFO-1234ze(E) (trans-1,3,3,3-tetrafluoropropene)+HFC-32 mixtures were carried out using a metal-bellows calorimeter. Seventy-one densities and thirty-eight isobaric specific heat capacities were obtained in the range of temperatures from 310 to 350 K, pressures from 1.4 to 5.0 MPa, and densities from 724 to 1083 kg‧m-3. The experimental uncertainties are estimated to be ±10 mK in temperature, ±2 kPa in pressure, ±0.001 mol‧mol-1 in composition, ±0.2 {\%} in density, ±5 {\%} in isobaric specific heat capacity. On the basis of the present data, the bubble point pressure, the saturated liquid density, and the isobaric specific heat capacity of saturated liquid were also determined. The experimental results were compared with the values calculated from REFPROP.",
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AU - 東, 之弘

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N2 - Measurements of the density and isobaric specific heat capacity for HFO-1234ze(E) (trans-1,3,3,3-tetrafluoropropene)+HFC-32 mixtures were carried out using a metal-bellows calorimeter. Seventy-one densities and thirty-eight isobaric specific heat capacities were obtained in the range of temperatures from 310 to 350 K, pressures from 1.4 to 5.0 MPa, and densities from 724 to 1083 kg‧m-3. The experimental uncertainties are estimated to be ±10 mK in temperature, ±2 kPa in pressure, ±0.001 mol‧mol-1 in composition, ±0.2 % in density, ±5 % in isobaric specific heat capacity. On the basis of the present data, the bubble point pressure, the saturated liquid density, and the isobaric specific heat capacity of saturated liquid were also determined. The experimental results were compared with the values calculated from REFPROP.

AB - Measurements of the density and isobaric specific heat capacity for HFO-1234ze(E) (trans-1,3,3,3-tetrafluoropropene)+HFC-32 mixtures were carried out using a metal-bellows calorimeter. Seventy-one densities and thirty-eight isobaric specific heat capacities were obtained in the range of temperatures from 310 to 350 K, pressures from 1.4 to 5.0 MPa, and densities from 724 to 1083 kg‧m-3. The experimental uncertainties are estimated to be ±10 mK in temperature, ±2 kPa in pressure, ±0.001 mol‧mol-1 in composition, ±0.2 % in density, ±5 % in isobaric specific heat capacity. On the basis of the present data, the bubble point pressure, the saturated liquid density, and the isobaric specific heat capacity of saturated liquid were also determined. The experimental results were compared with the values calculated from REFPROP.

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