19 q=qsnφ 在边界上,热流等于自由冷却都热流 加太阳光投射产生的热流。故 (ku,+ Huloso=f(o f(o) (0<<丌) (丌<<2丌) u(P,p)=Co+p"(Am cos mo +Bm sin mp) u,(P, )=>mp"-(Am cos mo+Bm sin mo) (ku,+Huea=H(Co+2a"(An, cos mo+Bn sin mo ))+k2ma-(An cos mo +Bn sin mo)=f(p) m=l HCo+>(Ha"+kma"-)(Am coSmo+Bm sin mp)I,=f(o)19 a q    q' = qsin  在边界上，热流等于自由冷却都热流 加太阳光投射产生的热流。故 ( ) ()   k u Hu f + =a =        = 0 ( 2 ) sin (0 ) ( )        q f ( , ) ( cos sin ) 1 u   C0  Am m Bm m m m = + +  = ( , ) ( cos sin ) 1 1 u   m Am m Bm m m m =  +  = − ( 边界条件 ) { ( cos sin )]} ( cos sin ) ( ) 1 1 1 k u Hu  H C0 a A m B m k m a Am m Bm m f  m m m m m m + a = + + +  + =  = −  = = ( )( cos sin )]} ( ) 1 1 HC0 Ha k ma Am m Bm m f  m m m = + + + = −  = 