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Prediction of the condensation and boiling characteristics of R12 substitutes R22-R152a-R114 and R22-R152a-R124 inside enhanced-surface tubing.

Author(s) : SAMI S. M., SCHNOTALE J., SMALE J. G.

Type of article: Article

Summary

The heat-transfer behaviour of two ternary refrigerant blends proposed as R12 substitutes, has been studied during condensation and boiling inside horizontal enhanced surface tubing. Correlations are proposed to predict the average heat transfer coefficients as well as pressure drops of newly proposed ternary refrigerant blend flow, inside enhanced surface tubing.

Details

Original title: Prediction of the condensation and boiling characteristics of R12 substitutes R22-R152a-R114 and R22-R152a-R124 inside enhanced-surface tubing.
Record ID : 1996-0112
Languages: English
Source: Int. J. Energy Res. - vol. 18
Publication date: 1994
Document available for consultation in the library of the IIR headquarters only.

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Indexing

Themes: CFCs;
HCFCs;
HFCs;
Mass transfer;
Blends
Keywords: R114; Heat transfer coefficient; Extended surface; Calculation; Measurement; Tube; Heat transfer; R22; R152a; R124; Simulation; Zeotropic mixture; Ternary mixture; Refrigerant; Condensation; Boiling