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[符号] a=ZRT/M:分子的最可几速率(R:气体常数;T:气体温度;M:分子量)。 b:叶片的弦长(第四章中用l表示)。 C= V/a:叶片速度比。 Dxj(Dyj):叶片(x)[(y)〕的微小面积dx(dy)反射出来的分子束中直接到达 区域(j)的几率。 Dxj:(Ux一Uy) Ndx的分子束中直接到达区域(j)的几率。 F(x, y
[Symbol] a = ZRT / M: The most probable molecular velocity (R: gas constant; T: gas temperature; M: molecular weight). b: chord length of the blade (indicated by l in chapter 4). C = V / a: blade speed ratio. Dxj (Dyj): The probability of reaching the region (j) directly in the molecular beam reflected by the small area dx (dy) of the blade (x) [(y)]. Dxj: The probability of reaching the region (j) directly in the molecular beam of (Ux-Uy) Ndx. F (x, y