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An ultrasonic device for measuring the oil concentration in flowing liquid refrigerant.
Author(s) : MEYER J. J., SAIZ JABARDO J. M.
Type of article: Article, IJR article
Summary
The paper examines the relationships between oil concentration in an oil-refrigerant mixture, temperature and the speed of sound. Different mixtures are studied (R12, R134a, 3GS, 5GS oils, ester oil). Correlations are developed. The accuracy of calculation is given as well as the influence of pressure.
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Pages: 481-486
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Details
- Original title: An ultrasonic device for measuring the oil concentration in flowing liquid refrigerant.
- Record ID : 1995-3426
- Languages: English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 17 - n. 7
- Publication date: 1994/09
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Indexing
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Themes:
CFCs;
HFCs;
Lubricants - Keywords: R134a; Measurement; Sound velocity; R12; Mixture; Oil; Ester; Refrigerant
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- Author(s) : BRESNAHAN J.
- Date : 1993/10
- Languages : English
- Source: AIRAH J. - vol. 47 - n. 10
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- Author(s) : BUTTNER G., PETERS J., HENRICI R.
- Date : 1994/09
- Languages : German
- Source: Kälte + Klimatechnik (Die) - vol. 47 - n. 9
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- Author(s) : GREBNER J. J., CRAWFORD R. R.
- Date : 1993
- Languages : English
- Source: ASHRAE Transactions 1993.
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- Author(s) : CORR S., DEKLEVA T. W., SAVAGE A. L.
- Date : 1993/02
- Languages : English
- Source: ASHRAE Journal - vol. 35 - n. 2
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MEASURING METHOD OF OIL CIRCULATION RATIO USING...
- Author(s) : SUZUKI S.
- Date : 1991
- Languages : Japanese
- Source: Trans. JAR - vol. 8 - n. 1
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