等-变环量设计叶片轴流风机性能研究Study on Performance of Axial-flow Fan Designed by Equal-variable Circulation
王思杰;梁迪;闫乐;李意民;冯非凡;周忠宁;孙子钦;
摘要(Abstract):
为了进一步优化传统低压轴流风机性能,提出了一种等环量设计与变环量设计结合的新型风机叶片设计手段——等-变环量设计,试验测试了等-变环量前掠叶片的性能参数,并采用数值模拟的方法详细地验证了本方法所设计出叶片的性能与内流特征。数值研究结果表明,相比于传统扭叶片,等-变环量设计方法对低压轴流风机前掠叶片的气动性能优化更加明显,设计工况下全压可提升4%;等-变环量设计使整体流域的轴向速度增大2%,改善了整体流动情况。
关键词(KeyWords): 轴流风机;等-变环量;数值模拟;性能研究
基金项目(Foundation): 国家自然科学基金项目(51776217)
作者(Author): 王思杰;梁迪;闫乐;李意民;冯非凡;周忠宁;孙子钦;
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