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Performance analysis of small refrigerating regenerators.

[In Chinese. / En chinois.]

Author(s) : SHENG W., LIU G., LI F., et al.

Type of article: Article

Summary

Heat regenerator formed by capillary and suction pipe has an important influence on the performance of small refrigeration equipment. At present, there are four main types of regenerator: capillary wear type, aluminium foil cover type, copper and tin welding type, capillary inside pipe type. Combining with theoretical analysis, the refrigeration performance of regenerator was experimentally studied by capillary inlet and outlet temperature, suction pipe inlet and outlet temperature, evaporator temperature and discharge temperature of compressor suction. The results show that, wear inside the capillary regenerator and copper tin welding type regenerator have the same performance in heat transfer performance. However, the refrigerating capacity per unit of swept volume of capillary inside pipe type regenerator was 17.4% higher than that of capillary wear type and aluminium foil cover type regenerator under the same conditions. The performance of refrigerator can be improved by using capillary inside pipe type regenerator.

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Pages: 81-86

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