Numerical simulation was conducted to gain greater insight into the flow structure of trapezoidal pin-fin duct and get detailed knowledge of the heat transfer on the endwall surface.

• 摘要为了深入了解涡轮叶片尾缘扰流柱区域的流动结构和换热情况，通过数值计算研究了小间距梯形扰流柱通道内的流动和换热。