【摘要】 对带内置电机的前向多翼离心通风机进行了三维数值试验。讨论了数值试验中建模参数化思想,分析了CFD应用于多翼离心通风机的精度问题。重点讨论了除叶轮参数外风机的各种结构尺寸对流场以及性能的影响,从气动力学原理解释了造成这些影响的原因,提出了合理选取结构参数的建议。更多还原

【Abstract】 The 3D numerical test is carried out on the forward multi-blade centrifugal fan with motor,the parameterization of model making is discussed,and the precision of CFD applied to forward multi-blade centrifugal fan is analyzed.The influence of the structural parameters,except impeller parameter,on the flow field and performance of fan is analyzed mainly.The reason of the influence is explained from aerodynamic theory.The advice on selection of structural parameters is put forward.更多还原