Performance analysis for binary mixtures based on R245fa using in high temperature heat pumps

• DOI: 10.1016/j.ecmx.2021.100123
• Publication Date: 2021-10-26T21:45:26Z
• Authors: Chang Xu; Hua Yang; Xiaohui Yu; Hongting Ma; Mo Chen; Mingchang Yang
• Keywords: Coefficient of performance; Lift (data mining)

As a reliable waste heat recovery device, the high-temperature pump (HTHP) is increasingly used in industrial enterprises. The selection of refrigerant one most important factors to determine safe, reliability and economic operation HTHP. Starting from this perspective, simple new method based on characteristics extrema volumetric capacity coefficient performance was developed obtain appropriate composition binary mixtures. Then, working fluids including four mixtures with R245fa were investigated experimentally different conditions. heating temperature HTHP system 80–100 °C lift between source sink kept at 35 experiment. Experimental results showed that HG-1 had good COP due low power consumption compressor, when 100 °C, HG-1was higher than 4.9, comprehensive better R245fa. In addition, exergoeconomic calculated experimental data. has lowest exergy destruction extra cost rate overall compared other mixtures, which 909.5 W 0.117 $/hr, respectively output °C. All demonstrated feasibility as produce