curved correlation meaning in English

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A new type of pressure coefficient cp is defined to lead to a linear correlation with radial locations , which will lead to a curve correlation with radial locations with conventional definition of cp . the correlations of cm , nuave and cp with rotational reynolds number have been got through the computation with rotational reynolds number from zero to 1 . 0 108
给出了扭矩系数cm 、平均换热系数nu _ ( ave )随旋转雷诺数变化的关系式，发现它们与没有预旋时是完全不同的，当re _ = 0时， cm 、 nu _ ( ave )不为零，而具有一个初值。