针对涡旋型线形状在整机设计中的重要性,提出了基于泛函理论的变壁厚涡旋型线设计理论及其优化设计方法,分析了涡旋体壁厚、动涡旋盘的最大外径、涡旋压缩机的轴向间隙、涡旋型线节距、涡旋体高度、公转半径等约束限制范围,建立了变壁厚涡旋型线优化数学模型,给出了变壁厚通用涡旋型线形状优化实例,通过与传统涡旋型线相比,得出了能满足性能较优要求、形状性态良好的涡旋型线。
Aiming at significance of the shape of scroll profiles in the machine design,the theory of variable wall thickness scroll profiles and its shape optimization methodology based on functional theory was presented.The restriction conditions for the optimization mathematic model were analyzed,including the wall thickness of scroll compressor,the maximal diameter of the moving scroll disc,the axial distance,the pitch of scroll profiles,the height of scroll disc and the revolution radius.A optimization mathematic model of variable wall thickness scroll profiles was built.And the shape optimization example of variable wall thickness scroll profiles was given.The excellent performance and favorable shape characteristics for scroll profiles are obtained.