【摘要】 用三维流场计算软件,对空调用轴流风扇的内部流动特性进行了数值模拟计算,讨论了不同的简化模型对计算结果的影响。初步分析了风扇内部的流场结构,旨在为降低噪声设计提供依据。性能试验结果验证了CFD计算的有效性,研究表明,流道结构的合理调整,可以提高风量并有利于噪声的降低。更多还原

【Abstract】 Adopting fluent software,the inner flow of the axial flow fan in aircondition is simulated,the influence of different simplified models is discussed.According to the analysis of the inner flow,a method of sound reduction is provided.The results of performance experiment show that the CFD is effective.Research show that the adjusting of the flow passage structure can rise the flux and reduce the sound level.更多还原