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Influence of a low-viscosity POE oil on the boiling heat transfer of a refrigerant outside a smooth tube: comparison of R134a, R410A and R507.

Einfluss eines niedrig-viskosen POE-Öls auf den Wärmeübergang beim Behältersieden an einem Glattrohr: Vergleich der Kältemittel R134a, R410A und R507.

Author(s) : MOHRLOK K., SPINDLER K., HAHNE E., et al.

Summary

The authors studied the influence of a low-viscosity POE oil mixed with a refrigerant on the boiling heat transfer outside a tube. Three refrigerants were compared. Results are discussed with respect to the oil content of the mixture, the boiling temperature, the oil viscosity etc.

Details

Original title: Einfluss eines niedrig-viskosen POE-Öls auf den Wärmeübergang beim Behältersieden an einem Glattrohr: Vergleich der Kältemittel R134a, R410A und R507.
Record ID : 2004-0564
Languages: German
Source: DKV-Tagungsbericht Ulm. 2001.
Publication date: 2001/11/21
Document available for consultation in the library of the IIR headquarters only.

Links

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Indexing

Themes: Evaporators, condensers and other heat exchangers;
HFCs;
Mass transfer;
Refrigerant circulation: piping, control, automation, safety;
Lubricants;
Blends
Keywords: R410A; R134a; Heat transfer coefficient; Comparison; Heat transfer; R507; Bare pipe; Binary mixture; Synthetic oil; Refrigerant; Boiling