【摘要】 离心风机蜗壳的最佳宽度问题,目前工程中还没有得到完全解决。本文利用数值分析的方法,通过选择不同的蜗壳宽度参数,对4-72、5-48、6-30等三种常用后弯叶片离心风机进行空气动力学计算分析。计算结果表明,合理选择蜗壳宽度参数可以改善蜗壳内部流动特性,提高通风机空气动力性能。更多还原

【Abstract】 The optimum width of centrifugal fan volute is still not completely solved in engineering. In this paper, by choosing different volute width parameters, three commonly used backward curved blades centrifugal fans of 4-72, 5-48 and 6-30 were selected to carry out aerodynamic computational analysis. The calculation results show that the reasonable choice of volute width parameters can improve the flow characteristics inside the volute and therefore improve the performance of fan aerodynamics.更多还原