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Speed of Sound Results in 2,3,3,3-Tetrafluoropropene (R-1234yf) and trans-1,3,3,3-Tetrafluoropropene (R-1234ze(E)) in the Temperature Range of (260 to 360) K
被引:40
作者:
Lago, S.
[1
]
Albo, P. A. Giuliano
[1
]
Brignolo, S.
[2
]
机构:
[1] Ist Nazl Ric Metrol, I-10135 Turin, Italy
[2] Univ Turin, I-10124 Turin, Italy
关键词:
D O I:
10.1021/je100896n
中图分类号:
O414.1 [热力学];
学科分类号:
摘要:
Speed of sound measurements in high purity samples of two novel candidate refrigerants, 2,3,3,3-tetrafluoropropene (R-1234yf) and trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)), are reported along five isotherms in the temperature range of (260 to 360) K and for pressures up to 10 MPa. The experimental technique is based on a double-reflector pulse-echo overlap method. The acoustic path lengths were obtained by a comparison with measurements in pure water carried out at atmospheric conditions. The speed of sound experimental results are characterized by an overall estimated uncertainty of less than of 0.1 %.
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页码:161 / 163
页数:3
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