[en] In order to investigate the performance of variable thickness scroll compressors, a detail mathematical modeling based on energy and mass balances is established in this two-part. In part I, the geometric modeling and thermodynamic modeling are developed. The profile based on circle involute, high order curve, and arc is built up using the base line method. The volume of working chambers from suction to discharge is defined. Thereafter, the evolution and derivative of the working chamber volume with respect to the orbiting angle are discussed. The energy and the mass balance for working chamber are described. Suction gas heating, radial and flank leakage, heat transfer between the working fluid, scroll wraps and plates are considered in the thermodynamic modeling. The established geometric modeling and thermodynamic modeling can provide better understanding of the variable thickness scroll compressor working process. The dynamical modeling and model validation are reported in part II.
Disciplines :
Mechanical engineering
Author, co-author :
Bin, Peng; Lanzhou University of Technology > School of Mechanical and Electronical Engineering
Lemort, Vincent ; Université de Liège > Département d'aérospatiale et mécanique > Systèmes énergétiques
Legros, Arnaud; Université de Liège - ULiège
Hongsheng, Zhang; Lanzhou University of Technology > School of Mechanical and Electronical Engineering
Haifeng, Gong; Chongqing University of Technology > College of Mechanical Engineering
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