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The paper reports new measurements of the viscosity of liquid difluoromethane (HFC-32) over the temperature range 233.15 to 333.15 K and the viscosity of liquid pentafluoroethane (HFC-125) over temperature range 233.15 to 328.15 K along the saturation line. The viscosities were measured in a calibrated capillary viscometer. A new method was developed to operate the viscometer and to analyze the measured data. The uncertainty of the results is estimated to be no more than 3%. The results were correlated as a function of temperature.
Details
- Original title: Viscosity of difluoromethane and pentafluoroethane along the saturation line.
- Record ID : 2000-0629
- Languages: English
- Source: J. chem. Eng. Data - vol. 41
- Publication date: 1996
- Document available for consultation in the library of the IIR headquarters only.
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Indexing
- Themes: HFCs
- Keywords: Viscosity; Saturation; Measurement; R32; R125; Substitute; Process; Refrigerant
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The viscosity of R32 and R125 at saturation.
- Author(s) : OLIVEIRA C. M. B., WAKEHAM W. A.
- Date : 1993
- Languages : English
- Source: Int. J. Thermophys. - vol. 14 - n. 6
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Viscosity of saturated liquid for 1,1,1,2-tetra...
- Author(s) : HAN L. Z., ZHU M. S., LI X. Y., LUO D.
- Date : 1995
- Languages : English
- Source: J. chem. Eng. Data - vol. 40 - n. 3
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Thermal conductivity of R32 and R125 in the liq...
- Author(s) : PAPADAKI M., WAKEHAM W. A.
- Date : 1993
- Languages : English
- Source: Int. J. Thermophys. - vol. 14 - n. 6
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Saturated liquid viscosity correlations for alt...
- Author(s) : KHAN S., SRINIVASAN K.
- Date : 1996/03
- Languages : English
- Source: Int. J. Thermophys. - vol. 17 - n. 2
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The viscosity of the refrigerant 1,1-difluoroet...
- Author(s) : GULIK P. S. van der
- Date : 1993/07
- Languages : English
- Source: Int. J. Thermophys. - vol. 14 - n. 4
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