impingement cooling meaning in Chinese
冲击冷却
Examples
- Numerical simulation of jet array impingement cooling on flow and heat transfer characteristics
阵列射流冲击冷却流场与温度场的数值模拟 - A numerical study is reported to investigate the flow and temperature fields for jet array impingement cooling , inclined multi - hole film cooling and impingement / effusion film cooling
运用数值计算的方法分别对阵列射流冲击冷却、多斜孔气膜冷却以及冲击-发散复合冷却方式的流动与传热特性进行了三维数值研究。 - Micro - jets impingement cooling heat sink is used to cool the high power lda owing to the very thin hydrodynamic and thermal boundary layers in the impingement region when a jet impinges on a surface . reasonable array of jets can develop the uniform of temperature distribution on target very much
微射流阵列冷却热沉,是利用射流冲击在驻点区能产生很薄的边界层来提高换热效率的,合理的布置射流孔,可以极大的提高被冷却表面温度分布的均匀性。 - Jet impingement cooling is an advantage method in heat transfer enhancement owing to its extremely high local heat transfer coefficient and simple structure . as regard as the combustor flame tube cooling structure is concerned , the impingement - converse convection - film composite cooling is an effective method , in this composite cooling structure , the impingement cooling problem could be modeled as impingement inside semi - confined channel
对于冲击-逆向对流-气膜复合冷却的火焰筒结构而言,火焰筒壁面冷气侧的冲击冷却实质上是半封闭通道的冲击冷却,即冲击射流从冲击孔板喷出,冲击到换热靶面后形成壁面射流沿通道单方向流出。 - 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。