低速离心压气机的全工况数值模拟和校核

工程热物理学报 , 2005, 26(z1): 81-84.

1.中国科学院工程热物理研究所,北京,100080;中国科学院研究生院,北京,100039

2.中国科学院工程热物理研究所,北京,100080

3.中国科学院工程热物理研究所,北京,100080

4.中国科学院工程热物理研究所,北京,100080

基金项目: 国家自然科学基金(50276059)

THE NUMERICAL SIMULATION AND VERIFICATION OF LOW-SPEED CENTRIFUGAL COMPRESSOR IN WHOLE FLOW-RATE RANGE

本文选用不同的计算模型和网格数目在全流量域对NASA低速离心压气机进行了数值模拟,通过与实验数据的对比检验了计算结果的精度,为具有无叶扩压器结构的低压离心压气机确定了合理的计算方案.同时通过计算结果的观察和对比,分析了小流量下叶轮内部流场的部分变化特征.

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