English translation for "impingement cooling"
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- 冲击冷却
Related Translations:
- Example Sentences:
| 1. | 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 | | 2. | 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。 | | 3. | 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。 | | 4. | 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。 | | 5. | 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。 | | 6. | Then the thermal visualizations of jet impingement cooling with single or double row holes inside semi - enclosed ribbed channel are measured by using infrared camera and the effects of flow and geometry parameters on convective heat coefficients are obtained . the results show that : the impingement cooling effectiveness of ribbed surface is affected greatly by the jet - to - surface spacing , and the best effectiveness is achieved under the jet - to - surface spacing equals to 1 . the correlation formulas of impingement heat transfer characteristics to the parameters are finally concluded and in good agree with the experiment data
最后,对单排、双排冲击孔试验板在半封闭通道展开了流量系数的研究,在变化各种几何因素及流动因素的情况下由实验得出了冲击孔流量系数值,讨论并分析了各种因素对流量系数的影响程度,建立了冲击孔流量系数的准则关系式,与实验结果对比表明:该准则关系式与实验实测数据吻合较好,精度较高,有较高的工程应用价值。 | | 7. | Of the currently available coolers for electronic products with a high heat flux , micro - jets impingement cooling heat sinks are able to provide the best heat transfer performance : lowering the maxmal temperature and the temperature difference . the heat transfer for multiple jets impingement has been studied firstly for summarizing a few rules . and then a copper micro - jets impingement cooling heat sink consisting of five copper sheets is designed in this paper and the jet diameter is 0 . 15mm
本文首先对阵列射流冲击进行了实验研究,总结了阵列射流冲击的一些规律和特性,在此基础上,根据数值模拟优化结果设计和制作了微射流阵列冷却热沉(射流孔直径d = 0 . 15mm ) ,并采用去离子水和氮气作为工质,对热沉内流体压降和传热特性进行了研究。 | | 8. | The thermal visualizations of jet impingement cooling with single or double row holes inside semi - enclosed channel are measured by using infrared camera and then the impingement cooling heat transfer coefficients are deduced . the effects of flow and geometry parameters on convective heat coefficients are obtained . the results show that : for a single row normal impingement , the impingement cooling effectiveness is enhanced with the increase of impinging reynolds number or the decrease of hole space to diameter ratio , and the best effectiveness is achieved under the jet - to - surface spacing equals to 2 ; when the jet is oblique to the confined wall , the cooling effectiveness is weaken especially under the jet - to - surface spacing ratio is greater than 2 ; for double rows normal impingement cooling , the cooling effectiveness of rear row jet is weaker than the front row under lower impinging reynolds number or bigger jet - to - surface spacing
对于单排垂直射流,冲击冷却效果随射流雷诺数的增加、孔间距与直径比的减小而得到提高,冲击间距比为2时换热效果最好;冲击孔中心线向通道封闭一侧倾斜后,射流冲击冷却的范围变窄,当冲击间距比大于2时驻点区的对流换热能力明显降低;对于双排冲击射流,孔排间距与直径比的增加使冲击冷却范围变大,但在两排孔之间区域的对流换热系数有所下降;在较小的冲击射流雷诺数和较大的冲击间距比下,后排射流的冲击换热效果要逊于前排射流。 |
- Similar Words：
- "impingement baffles" English translation, "impingement black" English translation, "impingement cleaner" English translation, "impingement collector" English translation, "impingement cooled blade" English translation, "impingement corrosion" English translation, "impingement corrosion test" English translation, "impingement drying" English translation, "impingement dust collector" English translation, "impingement dust separator" English translation
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