5.4均匀流 流函数 根据流函数与势函数之间的关系式求均匀流的流函数 ao 1 ay →Ucos6 1 ay sin 0 a0 sn606 v de=Ur sin 0 cos 8=V=Ur- sin-8+f(r) 1 ag I ay Usin e Ursn2b+f(r)→ ra0 rsin b ar rsin 6 f(r)=0→f(r)=c取C=0 y=Ur- 65.4 均匀流 流函数 根据流函数与势函数之间的关系式求均匀流的流函数, = = = sin 1 cos sin 1 2 2 r U r r ur sin ( ) 2 1 sin cos 2 2 2 = Ur = Ur + f r − = − + = − = sin ( ) sin 1 sin sin 1 1 2 U r f r r U r r r u f r f r c ( ) 0 ( ) = = 2 2 sin 2 1 = Ur 取 c = 0