21= Cylinder of radius a in translation in any direction near a fixed infinite wall, a/h small: 



■"■ ,2r/2 



^ T^=— pna'^V^ 1 + ....), as in Equation [95g] 



Fluid "f 



(Only the force required to accelerate the cylinder is considered here.) 



22. Cylinder of radius a moving symmetrically between fixed infinite walls h apart, a/h rather 

 small: 



Wall 1 



] Fluid ^l=-^P''« ^ 



l.lf™) ' 



z\ h I 



, as in Equation [46q] 



__UX_„™, 9 2 TT^a^ 

 y7hh77777777T M.^pvO^, A = 1 + , 



Wa 1 r ) o ^ 



23o Plane lamina of width h moving symmetrically between fixed infinite rigid walls A apart, 

 h/h rather small: 



Wall o / -, o \ 



J. T^= — pV^ 1+ , as in Equation [651] 



IfO*^. 2 4 \^ -24^2 y 



L- cvj Fluid 



Wall 



For the general case, see Section 65. 



24. For kinetic energy around a Rankine cylinder, see Section 54. 



B. THREE-DIMENSIONAL CASES 



25. Sphere in translatory motion 



0. 



T = -pa^lJ^, as in Equation [127f], 



^ 4 , 1 



M'= — np a^. k = — . 



3 ' 2 



389 



