对涡轮叶片尾缘针肋通道的换热进行了数值模拟研究.为了研究冷却叶片尾缘处正压面与背压面楔角对换热和流动的影响,在Re=1.0×104~1.0×105进行了稳态湍流三维数值模拟;为了研究冷却叶片尾缘扰流柱上下两部分在流动方向错位的距离对通道传热和流动的影响,在针肋顺排及Re=2.0×104的情况下进行了稳态湍流三维数值模拟.得出了平行通道最宜被采用以及针肋错位通道中随着针肋错位距离的增加通道的换热和压力损失都增加的结论.
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