基于相似理论的风机性能快速计算模型  

Fast Calculation Model of Fan Performance Based on Similarity Theory

作　　者：王路飞[1] 谷波[1] 王婷[1] 

机构地区：[1]上海交通大学,上海200240

出　　处：《流体机械》2012年第7期24-28,共5页Fluid Machinery

基　　金：国家自然科学基金项目(50876059)

摘　　要：建立了通用的风机计算模型;总结了风机相似理论的计算公式;提出了嵌套式曲线拟合的方法,该方法兼顾物理模型的趋势性和数学模型的精度。针对模型的具体求解,给出了数值解法和一种实用的解析解法。在解析法的基础上提出喘振线的确定方法。Universal calculation model about fan was built. Formulas of the fan similarity theory is summarized. A nested type curve fitting method is able to satisfy the trend of physical model and the precision of mathematical model. According to specific situation, numerical method and a practical analytical method were used. The determination method of surge line is put forward based on the analytical method.

关 键 词：相似理论 风机 喘振 曲线拟合 

分 类 号：TH432[机械工程—机械制造及自动化]