Theory of Unsteady Propeller Forces 



■3$ 



(SR) 



^F K '= 1 ■^b C ^ i ) 



VE J ^^'' J gn(^'-v') PlxRh. dv' 





(SP) 



n ^B -1 



+ 4^1 ^(^')<^^' j t*(^",v') W*(^") P^^i,^ dv' 



1 m ^p k'=177(j(C'i) 



+ 4V E J "^"^1 J SRmC^'l'"') ^LxPmn du' 



1 1 



•^4 -'-I 



^ B ^ 



+ _L I 5(^')d^-| t*(^',v') w*(^") Pt,p dv' . ■• 





1 



47T 



(SH) 



dC; V <?(^l.Vi)H,,,HKdV, 



r " r 



^ dT,; gR°(^;,u') Rl.hkO du' 



^\ Uv[)dv[ t*(r7;,u') V*°(tj1) RT.HKdu' 



(97) 

 (Cont) 



49 



