叶片参数对离心泵关死点性能影响的试验分析Experiment Analysis about Effects of Impeller Parameters on Centrifugal Pump Characteristics at Closed Valve Conditon
吴贤芳;刘厚林;谈明高;董亮;任芸;
摘要(Abstract):
一直以来离心泵关死点扬程和功率都无法通过理论计算获得。以某比转数为92.7的离心泵为研究对象,试验测试了不同叶片出口角、叶片出口宽度和叶片数下关死点扬程和功率的变化规律。试验结果表明关死点扬程随着叶片出口角的增大变化较小,随着片出口宽度的增加一直增加,随着叶片数增加先减小后增大;3个参数对关死点功率的影响都比较复杂;3个参数对关死点性能的影响大小顺序为叶片出口宽度最大,叶片数次之,叶片数最小。研究结果对于现代离心泵的设计具有比较重要的参考意义。
关键词(KeyWords): 叶片参数;离心泵;关死点;试验测试
基金项目(Foundation): 国家自然科学基金(51109095、51079062);; 江苏省自然科学基金(BK2010346);; 江苏省博士生创新基金(CXLX11_0576);; 江苏省教育厅项目(09KJD470002);; 江苏大学高级人才科研启动基金(09JDG026);; 江苏高校优势学科建设工程资助项目
作者(Author): 吴贤芳;刘厚林;谈明高;董亮;任芸;
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DOI:
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