原文：
计算蜗壳泵的径向力的方法：
压出室是蜗形体的泵，在偏离设计工况时径向力按下式计算：
FR=1000KHD2B2
式中 FR-径向力，N；
H-扬程，m；
D2-叶轮出口直径，m；
B2-叶轮出口宽度(包括两盖板厚)，m；
K-径向力系数，
可由下式求得： K=0.36[1-(Q’/Q)2]
式中Q-设计流量；
Q’-实际流量。
当水泵在设计工况下运行时，按上式求出径向力系数等于零， 零流量时径向力系数{zd0}，即K=0.36.系数K的大小还和泵的型式有关，在某些情况下，实际的K值比按上式求出的更大，零流量时K可能达到0.6。
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译文：
Calculated radial force pump volute methods:
Pressure the shape of the pump chamber is a snail, to deviate from the design condition when the radial force calculated as follows:
FR = 1000KHD2B2
Type in the FR-radial force, N;
H-head, m;
D2-impeller outlet diameter, m;
B2-impeller outlet width (including the two cover thickness), m;
K-radial force coefficient
Obtained by the following formula: K = 0.36 [1 - (Q '/ Q) 2]
Type in the Q-design flow;
Q'-actual flow.
When the pump runs at the design condition, according to the type calculated radial force coefficient equal to zero, zero flow coefficient of the maximum radial force, that is K = 0.36. Coefficient K is also the size and type of the pump, in some cases , the actual K value than calculated by the larger type, zero flow may reach 0.6 K.
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