Abstract
Heat transfer coefficients in nucleate boiling on a smooth flat surface were measured for pure fluids of R-134a, propane, isobutane and their binary mixtures at different pressure from 0.1 to 0.6 MPa. Series of experiments with different heat flux and mixture concentrations were carried out. The influences of pressure and heat flux on the heat transfer coefficient for different pure fluids were studied. Isobutane and propane were used to make up binary mixtures. Compared to the pure components, binary mixtures show lower heat transfer coefficients. This reduction was more pronounced as the heat flux increasing. Several heat transfer correlations are obtained for different pure refrigerants and their binary mixtures.
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Sun, Z., Gong, M., Qi, Y. et al. Nucleate pool boiling heat transfer of pure refrigerants and binary mixtures. J. of Therm. Sci. 13, 259–263 (2004). https://doi.org/10.1007/s11630-004-0040-5
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DOI: https://doi.org/10.1007/s11630-004-0040-5