南京航空学院
Published:1986
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Wang Baoguan. A FORMULA FOR AVERAGE CONVECTIVE COEFFICIENTIN LAMINAR BOUNDARY LAYER OVER A PLATE WITHUNHEATED LEADING EDGE[J]. 1986, 1(2).
DOI:
Wang Baoguan. A FORMULA FOR AVERAGE CONVECTIVE COEFFICIENTIN LAMINAR BOUNDARY LAYER OVER A PLATE WITHUNHEATED LEADING EDGE[J]. 1986, 1(2). DOI:
有关研究平壁层流附面层内的对流换热理论很多
而且日趋成熟。由积分近似解可导得平壁层流附面层的局部对流换热系数的计算公式: 当加热点离前缘的距离xo=0或x>>xo时
对上式进行积分
可直接导得平均对流换热的关系式为: 然而
至今尚未看到直接求解非前缘开始加热的平壁层流附面层的平均对流换热系数的代数式
而常常需用图解法或辛普生法等求出积分近似解。
A dimensionless expression for average convective coefficient in laminar boundary layer over a flat plate with unheated leading edge is derived. By approximate integration
it is transformed into the following formula.
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