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Concentration dependence of pool nucleate boiling heat transfer coefficients for R134a and PAG oil system.
Author(s) : SATO T., TAKAISHI Y., OGUCHI K.
Summary
The experiments have been conducted by means of a horizontal platinum wire at saturation temperatures of 282, 292 and 302 K and at oil concentrations from 0 to 8 mass%. The present results show that the boiling heat transfer coefficient for the system concerned decreases with increasing oil-concentration as a whole but increases slightly at a low oil-concentration of about 2 mass%.
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Details
- Original title: Concentration dependence of pool nucleate boiling heat transfer coefficients for R134a and PAG oil system.
- Record ID : 2000-1240
- Languages: English
- Source: 20th International Congress of Refrigeration: Refrigeration into the Third Millennium.
- Publication date: 1999/09/19
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Indexing
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Themes:
Mass transfer;
Lubricants - Keywords: R134a; Polyalkylene glycol; Heat transfer coefficient; Mass transfer; Lubricant; Heat transfer; Mixture; Refrigerant; Nucleate boiling
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