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标题: 对流换热系数跟理论解不匹配？ [打印本页]

作者: ainite 时间: 2005-5-19 12:24
标题: 对流换热系数跟理论解不匹配？
为了验证热边界层理论的Pohlhausen解，作了一个小例子，但结果中对流换热系数跟边界层解差了几倍，不知原因何在？

算例如下图所示，并附上求解命令流：

/PREP7
ET,1,FLUID141
RECTNG,,6,,1
LESIZE,2, , ,20,10
LESIZE,4, , ,20,.1
LESIZE,1, , ,80
LESIZE,3, , ,80
AMESH,1

/SOL
DL,4,,TEMP,20,1
DL,1,,TEMP,100,1
DL,4,,VX,1,1
DL,4,,VY,0,1
DL,3,,VY,0,1
DL,1,,VX,0,1
DL,1,,VY,0,1
DL,2,,PRES,0,1
FLDATA1,SOLU,TEMP,1
FLDATA1,SOLU,TURB,1
FLDATA2,ITER,EXEC,100
FLDATA5,OUTP,HFLM,1
FLDATA8,NOMI,DENS,1000
FLDATA8,NOMI,VISC,.01
FLDATA8,NOMI,COND,1
FLDATA8,NOMI,SPHT,100
SOLVE
FINISH

/POST1
SET,LAST
PATH,pathA,2,30,20
PPATH,1,1
PPATH,2,2
PDEF,,HFLM,,AVG
/PBC,PATH,,0
PLPATH,HFLM
FINISH

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