基于ANSYS組合渦旋型線參數(shù)化設(shè)計與渦旋齒溫度場分析
[Abstract]:With the rapid development of industry, the application of scroll compressor which is famous for its high efficiency, low energy consumption, compact structure and smooth operation is more and more extensive. But in recent years, the traditional single-line scroll compressor has been restricted in area utilization and working efficiency because of its inherent structure limitations. Improving the overall performance of scroll compressors is an effective way to solve this problem.
In this paper, the meshing condition of the combined profile, the derivation of the general profile control equation and the theory of plane curve are discussed firstly. The arc-line section equal wall thickness combined profile is drawn, and the arc-line section equal wall thickness combined profile scroll disk and the circular involute scroll disk are basically compared. Then on the basis of the combined profile theory, the ANSYS A is used. The parameterized analysis model of circular involute and combined profile scroll disk is established by programming the structural parameters of the scroll disk with PDL. The design results show that different analysis models of the scroll disk can be obtained by setting and extracting the key structural parameters and reassigning them with the relational formula. Digital design can effectively solve the problem that the scroll disk model established by 3D CAD software can not be regenerated when it is imported into ANSYS as the analysis model, and improve the design and analysis efficiency of scroll compressor.
In addition, the stress and deformation of the parameterized finite element analysis model of the arc-line equal wall thickness linear vortex disk and the circular involute vortex disk under different temperatures and temperature differences are quantitatively analyzed and calculated by ANSYS. The design results show that the stress and deformation base of the two vortex disks under different temperatures and temperature differences. At the same time, the combined profile scroll disc has the advantages of simple structure, easy processing, large volume utilization ratio and content-to-volume ratio, and high comprehensive characteristics.
【學位授予單位】:蘭州理工大學
【學位級別】:碩士
【學位授予年份】:2012
【分類號】:TH455
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