The guide-blade angle is then given by the equation
sin [gamma] = u_i/v_i = 0.45/0.94 = .48;
[gamma] = 29°.
The value of u_i should, however, be corrected for the space occupied
by the guide-blades.
Encyclopaedia Britannica, 11th Edition, "Husband" to "Hydrolysis" Volume 14, Slice 1 · 第 189 / 207 题