【摘要】 对离心通风机压力系数经验公式的三个数学模型的回归精度 ,数学模型的稳定性和预测值精度三方面进行了比较分析 ,并对其原因作了分析。对进一步提高回归精度的数学模型提出了初步设想。更多还原

【Abstract】 Comparative analysis is carried out in three respect of regression accuracy,stability and predictive value accuracy of mathematical model to the pressure cofficient empirical formula of centrifugal fan.The tentative plan is put forward for mathematical model which further increased regression accuracy.更多还原