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Oil Concentration Measurement In Saturated Liquid Refrigerant Flowing Inside A Refrigeration Machine

Yıl 2001, Cilt: 4 Sayı: 1, 53 - 60, 01.12.2000

Öz

An ultrasonic device was calibrated to measure in situ and in real time the polyol ester oil (POE) concentration of the refrigerant liquid R 410A. The first part of this paper is devoted to the properties of the mixture, to the effects of the presence of oil on the speed of sound in the liquid phase and to the calibration and validation procedures carried out with a saturated liquid refrigerant. In order to have a number of calibration points that is not too large, it is necessary to maintain the mixture as close as possible to saturation conditions, which constrains the choice of the location of the sensor on the installation investigated. In the second part, the first results obtained on this installation are presented. It appears that the speed of sound in the POE / R 410A mixture is a strong function of the temperature and oil concentration, as was expected, but it also significantly depends on the pressure. Consequently, if the use of a sensor in a sub-cooled area is considered, additional calibration and validation procedures are necessary.

  • This paper was presented at the ECOS'00 Conference in Enschede, July 5-7, 2000 

Yıl 2001, Cilt: 4 Sayı: 1, 53 - 60, 01.12.2000

Öz

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Ayrıntılar

Birincil Dil İngilizce
Bölüm Regular Original Research Article
Yazarlar

Jean-marc Lebreton Bu kişi benim

Louis Vuillame Bu kişi benim

Evelyne Morvan Bu kişi benim

Olivier Lottin Bu kişi benim

Yayımlanma Tarihi 1 Aralık 2000
Yayımlandığı Sayı Yıl 2001 Cilt: 4 Sayı: 1

Kaynak Göster

APA Lebreton, J.-m., Vuillame, L., Morvan, E., Lottin, O. (2000). Oil Concentration Measurement In Saturated Liquid Refrigerant Flowing Inside A Refrigeration Machine. International Journal of Thermodynamics, 4(1), 53-60.
AMA Lebreton Jm, Vuillame L, Morvan E, Lottin O. Oil Concentration Measurement In Saturated Liquid Refrigerant Flowing Inside A Refrigeration Machine. International Journal of Thermodynamics. Aralık 2000;4(1):53-60.
Chicago Lebreton, Jean-marc, Louis Vuillame, Evelyne Morvan, ve Olivier Lottin. “Oil Concentration Measurement In Saturated Liquid Refrigerant Flowing Inside A Refrigeration Machine”. International Journal of Thermodynamics 4, sy. 1 (Aralık 2000): 53-60.
EndNote Lebreton J-m, Vuillame L, Morvan E, Lottin O (01 Aralık 2000) Oil Concentration Measurement In Saturated Liquid Refrigerant Flowing Inside A Refrigeration Machine. International Journal of Thermodynamics 4 1 53–60.
IEEE J.-m. Lebreton, L. Vuillame, E. Morvan, ve O. Lottin, “Oil Concentration Measurement In Saturated Liquid Refrigerant Flowing Inside A Refrigeration Machine”, International Journal of Thermodynamics, c. 4, sy. 1, ss. 53–60, 2000.
ISNAD Lebreton, Jean-marc vd. “Oil Concentration Measurement In Saturated Liquid Refrigerant Flowing Inside A Refrigeration Machine”. International Journal of Thermodynamics 4/1 (Aralık 2000), 53-60.
JAMA Lebreton J-m, Vuillame L, Morvan E, Lottin O. Oil Concentration Measurement In Saturated Liquid Refrigerant Flowing Inside A Refrigeration Machine. International Journal of Thermodynamics. 2000;4:53–60.
MLA Lebreton, Jean-marc vd. “Oil Concentration Measurement In Saturated Liquid Refrigerant Flowing Inside A Refrigeration Machine”. International Journal of Thermodynamics, c. 4, sy. 1, 2000, ss. 53-60.
Vancouver Lebreton J-m, Vuillame L, Morvan E, Lottin O. Oil Concentration Measurement In Saturated Liquid Refrigerant Flowing Inside A Refrigeration Machine. International Journal of Thermodynamics. 2000;4(1):53-60.