流体机械第51卷第9期2023年9月93收稿日期：2022-08-01修稿日期：2023-02-15doi：10.3969/j.issn.1005-0329.2023.09.014空调用前掠式轴流风叶优化黄愉太（佛山市云米电器科技有限公司，广东顺德528000）摘要：为研究低压轴流风叶弯掠形式的气动性能优化方法，首先将风叶叶片切分为不同径向截面，调整叶片各径向截面角度，形成不同弯掠形式的优化叶片，然后基于CFD技术对优化叶片进行流场研究，并应用FW-H模型开展气动噪声分析，最后结合空调室外机进行风叶性能试验验证。结果表明：优化风叶全压效率提升3.6%，泄漏涡得到有效抑制，结合实测数据，1800m3/h的基准风量下优化风叶效率提升约4.5%，噪声降低1.8dB（A），趋势与仿真结果基本相同。研究结果可为低压轴流风叶增效和降噪提供技术参考。关键词：轴流风叶；全压效率；气动噪声；FW-H模型中图分类号：TH42文献标志码：AOptimizationofforward-sweptaxial-flowfanbladesforairconditioningHUANGYutai（FoshanViomiElectricalTechnologyCo.，Ltd.，Shunde528000，China）Abstract：Inordertostudytheoptimizationmethodofaerodynamicperformanceoftheforwardskewed-sweptaxial-flowfanblades，firstly，theaxial-flowfanbladesweredividedintodifferentradialsections，andtheangleofradialsectionwasadjustedtoformoptimizedblades，thentheflowfieldoftheoptimizedbladeswerestudiedbasedonCFDtechnology.AndtheFW-Hmodelwasusedtoanalyzetheaerodynamicnoise.Finally，theperformanceoftheoptimizedfanbladeswastestedandverifiedincombinationwiththeoutdoorunitoftheairconditioner.Thesimulationresultsshowthatthetotalpressureefficiencyoftheoptimizedfanbladesisincreasedby3.6%，theleakagevortexiseffectivelysuppressed.Incombinationwithmeasureddata，theefficiencyoftheoptimizedbladesatthereferencevolumeflowof1800m3/hisincreasedby4.5%，andthenoiseisreducedby1.8dB（A）.Thetrendisbasicallythesameasthatofthesimulationresults.Theresearchresultscanprovideatechnicalreferenceforefficiencyenhancementandnoisereductionoflowpressureaxial-flowfanblades.Keywords：axial-flowfanblade；totalpressureefficiency；aerodynamicnoise；FW-Hmodel0引言常用的轴流式、离心式、横流式三大通风系统已广泛应用于各行各业，对于空调室外机散热通风系统，考虑其低噪声、大流量...
