PENG JIE, SUN ZHILI, SHI YABO, et al. Experimental Research on Heat Transfer Performance of Single Tube Multi-Row Finned Tube Evaporator. [J]. Journal of refrigeration, 2022, 43(1).
PENG JIE, SUN ZHILI, SHI YABO, et al. Experimental Research on Heat Transfer Performance of Single Tube Multi-Row Finned Tube Evaporator. [J]. Journal of refrigeration, 2022, 43(1). DOI: 10.3969/j.issn.0253-4339.2022.01.116.
the heat balance method stipulated in the ASHRAE 75–77 standard is adopted to solve the problems of low heat exchange efficiency and high consumption of pipes in traditional tube evaporators used in food cold chain systems. The fin efficiency
heat transfer coefficient
and cooling capacity of a single-tube double-row finned tube evaporator and single-tube eight-row finned tube evaporator used in cold storage were studied experimentally. The results show that the average fin efficiency of the single-tube eight-row finned tube evaporator is 96.03%
which is 5.3% higher than that of the single-tube double-row finned tube evaporator. The cooling capacity per tube length of a single-tube eight-row fin-tube evaporator is 2.5–3 times that of a single-tube double-row fin-tube evaporator
and its unit mass aluminum cooling capacity is 11%–36% higher. Compared with the single-tube double-row finned tube evaporator
the single-tube eight-row finned tube evaporator consumes 10%–30% less at the same cooling capacity.
关键词
单管多翅片排管蒸发器翅片效率制冷量传热系数
Keywords
single-tube multi-row fin-tube evaporatorfin efficiencycooling capacityheat transfer coefficient