6=e.e e.×e Eiker j Vφ 随体倒数Dn-ar +(V)a a e Vxa=(e.)x(a e)=e, Em V中=(x)(1) (nVy)=(n7++) =l-+1-+ 雷诺输运定理:对系统的随体倒数求法 oul DJ=「 ao a +()随体倒数 ( ) D u Dt t     = +   (u u i v j w k i j k u v w ) ( ) x y z x y z          = + +  + + = + +           雷诺输运定理：对系统的随体倒数求法 [ ( )] [ )] V V k V V k D dv u dv Dt t D dv u dv Dt t x        = +     = +       （ ij i j  =  e e e e e e e i j k i jkl l jkl il jki ijk   =  = = = ( )      i j ijk k e e e  =  ( ) ( ) ( ) ( ) i j i j i j i j i i e e e e x x x x x x            =  =  =       ( ) i i i i e e x x       = =   ( ) i i j j i i a a e a e x x      =  =       ( ) ( ) j j k i j j i j ijk k ijk i i i i j a a a a e a e e e e e x x x x         =  =  = =    