Load Model of Small Parameter Scroll Wrap for Bending Fatigue Strength in a Scroll Compressor

Abstract:

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The pressures and the temperatures in compression chambers are analyzed, and a load model including the pressure loads and the temperatures is proposed. For the small parameter scroll wraps, the pressure loads can be simplified on the mid-areas and the temperatures are equal to the temperatures of the mid-areas. The pressure loads are of π-region pressures which have a normal angle interval of π, the number of acting regions for pressure loads is equal to the number of scroll compression chamber pairs. Apart from the part situated in the center compression chamber, the temperatures of scroll wrap decrease linearly with the normal angle. Selecting the reasonable discharge, specifying the appropriate material and the parameters, and modifying the starting part of scroll wrap are significant methods to improve fatigue strength of scroll wraps in practice.

Info:

Periodical:

Advanced Materials Research (Volumes 199-200)

Edited by:

Jianmin Zeng, Zhengyi Jiang, Taosen Li, Daoguo Yang and Yun-Hae Kim

Pages:

92-96

DOI:

10.4028/www.scientific.net/AMR.199-200.92

Citation:

B. Shao "Load Model of Small Parameter Scroll Wrap for Bending Fatigue Strength in a Scroll Compressor", Advanced Materials Research, Vols. 199-200, pp. 92-96, 2011

Online since:

February 2011

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$35.00

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