Journal
INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID
Volume 92, Issue -, Pages 113-124Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ijrefrig.2018.05.032
Keywords
Single screw compressor; Profile parameters optimization; Multicolumn envelope meshing pair; Theoretical calculation model; Leakage characteristics
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Funding
- National Natural Science Foundation of China [51706247]
- Fundamental Research Funds for the Central Universities [17CX02018A]
- Natural Science Foundation of Shandong Province, China [ZR201702120003]
- Taishan scholar foundation of Shandong Province [ts201511018]
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The Multicolumn Envelope Meshing Pair (MEMP) is a significant influence factor of single screw compressor (SSC) performance. It is necessary to carry out an optimization study on MEMP to improve the SSC performance. In this paper, a theoretical calculation model containing three leakage influencing factors is presented to research the influence of the MEMP profile parameters on the leakage characteristics of the SSC. Experiment investigations on the performance of a SSC with MEMP are carried out to verify the theoretical calculation model. With the validated model, the effect of MEMP profile parameters on the leakage characteristics of SSC has been analyzed. Optimization analysis shows that in the design stage more envelope columns with smaller center distance and larger radius should be chosen for the front side of the MEMP, but less envelope columns with smaller center distance and smaller radius should be chosen for the back side of the MEMP. (C) 2018 Elsevier Ltd and IIR. All rights reserved.
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