Geometric modeling and analysis of a novel modified wrap for scroll compressors

被引：9

作者：

Wang, Jun ^{[1
]}

Cao, Chenyan ^{[1
]}

Cui, Shujie ^{[1
]}

Wang, Zengli ^{[1
]}

机构：

[1] China Univ Petr East China, Coll Chem Engn, Qingdao 266580, Shandong, Peoples R China

来源：

INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID | 2019年 / 101卷

基金：

中国国家自然科学基金;

关键词：

Scroll compressor; Midline design method; Circular arc; Geometric model; Built-in volume ratio; DESIGN;

D O I：

10.1016/j.ijrefrig.2019.02.027

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A geometric model of a 1-pair of circular arcs modified wrap (1-CMW), the existing circular arc modified wrap (CMW), was developed. In order to improve the performance and overcome its shortcoming of the CMW, a novel n-pair of circular arcs modified wrap (n-CMW) for scroll compressors was proposed based on the midline design method. A 2-CMW was analyzed, and then a general geometric model of n-CMW with arbitrary pair number n was established. In addition, the generation procedure, general mutual dependence of geometric parameters as well as equations of wrap profiles were obtained, and the influence of geometric parameters on shapes of the n-CMW was analyzed. Flow simulations of the 1-CMW, 2-CMW, 3-CMW and 4-CMW during the working process with the same conditions were conducted. Study results indicate that the proposed n-CMW increases the built-in volume ratio and design flexibility, and is superior to the existing CMW. (C) 2019 Elsevier Ltd and IIR. All rights reserved.

引用

页码：71 / 80

页数：10

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