赵悦;刘正先;赵明;

• 1:天津大学机械工程学院

摘要(Abstract)：

以某离心压缩机为研究对象,通过改变长叶片扩压器的叶片数和叶片弦长2种方式对叶片稠度进行改变,利用数值模拟方法,以最大效率和稳定工作范围为判断依据,结合特性曲线,针对长叶片扩压器稠度的变化范围,分析了长叶片稠度的改变对离心压缩机气动性能的影响。得出如下结论:针对长叶片扩压器,不同于传统对扩压器最优稠度的选择,扩压器的稠度值在1.203 3附近时离心压缩机能达到较高的等熵效率和压比,同时具有较宽的稳定工作范围。

关键词(KeyWords)： 离心压缩机;叶片扩压器;稠度;数值模拟

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(11672206)

作者(Author): 赵悦;刘正先;赵明;

Email:

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