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On-line measurement of oil concentrations of R134a/oil mixtures with a density flowmeter.

Author(s) : BAYANI A., THOME J. R., FAVRAT D.

Type of article: Article

Summary

A very high accuracy, straight vibrating tube type of density flowmeter was used on-line to measure oil concentrations of flowing R134a/oil mixtures. The calibrations covered oil concentrations from 0 to 6% (by mass) oil over the temperature range from -9.4 to 5.9 deg C. The oil concentrations were correlated statistically as a function of density, temperature, and liquid compressibility to an average error of 0.09% (by mass) oil, with a 95% confidence limit of 0.21% (by mass) oil.

Details

  • Original title: On-line measurement of oil concentrations of R134a/oil mixtures with a density flowmeter.
  • Record ID : 1996-1454
  • Languages: English
  • Source: HVAC&R Research - vol. 1 - n. 3
  • Publication date: 1995/07
  • Document available for consultation in the library of the IIR headquarters only.

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