| 1. | Firstly , for jet array impingement cooling , the effects of the distance of adjacent holes , the impinging distance and jet reynolds number on heat transfer characteristic at the target wall are summarized under staggered holes arrangement and the same hole diameter . and then , the numerical simulation of inclined multi - hole film cooling has been studied . the influence factors examined in this case include blowing ratio and the distance of adjacent holes 首先通过对射流冲击冷却方式的研究,分析了相邻孔间距、冲击间距以及射流入口雷诺数对冲击靶面换热系数的影响情况,然后对多斜孔冷却方式进行了数值模拟,重点探讨了吹风比和相邻孔间距对绝热温比与壁面换热系数的影响规律,最后,针对冲击-发散复合冷却流场的计算物理模型,研究吹风比、相邻孔间距的变化对冲击-发散复合冷却流动与传热特性的影响。 |