翅

The studied results provide scientific basis for the design and optimization of the louvered fin radiator, which have an important engineering value in a certain extent, it is useful to optimize the automobile cooling system.

本文对百叶窗翅片的流动和温度场进行了比较全面的数值模拟，分析了各种几何结构参数的影响，具有一定的学术意义和工程应用价值，为汽车冷却系统的优化设计提供了依据。

The louvered fin radiator was widely used in the cooling system of automobile due to its high compactness, low weight and low cost.

随着汽车工业的发展，百叶窗翅片式散热器以其极大的紧凑性、良好的换热性能，在汽车冷却系统中得到了越来越广泛的应用。

By employing the numerical simulation, the distribution and variation of thermal parameters such as pressure, velocity and so on in the louvered fins can be conducted in detail, on the basis of which, we can optimize the geometry structure, shorten the design period and reduce the experimental and design cost.

而采用CFD 软件对其温度场和流场的数值模拟分析，可以清楚的了解百叶窗翅片内部流场的压力、温度、速度等气动热力参数的分布和变化情况，优化其几何结构参数，从而大大降低实验设计费用，缩短设计周期。

In this paper, the complex flow and coupled heat transfer in the louvered fin radiator were numerically simulated, and the effect of each geometry structure parameter was systematically analyzed.

分别分析讨论了变化百叶窗角度和均匀百叶窗角度对百叶窗翅片传热和流动性能的影响。

A 3D numerical simulation for the air flow and heat transfer among louvered fins was derived,and the numerical results were compared with the experimental data from literatures.

本文对空气在百叶窗翅片内部流动和传热建立了三维数值计算模型。

Louvered fin ; numerical simulation ; louver angle ; exchanger zone length

百叶窗翅片；数值模拟；开窗角度；换向区长度

Composed of or containing gristle.A small blue butterfly of the family Lycaenidae.

一种翼前有凹痕的蛱蝶科蝴蝶，其后翅的下侧有逗点形斑点。

The comparative studies on the indirect flight muscle development in both male and female macropterous nymphs showed no difference.

另外，在比较了长翅型雌、雄性若虫背纵肌的发育情况之后证实，间接飞行肌的分化在性别之间无差异。

The maney that a man has,he may lose.It flies away from him perhaps when he needs it most.A man's reputation may be sacrifice in a moment of ill-considered action.

一个人所拥有的金钱可能在最需要的时候，却插翅而飞；一个人声誉可能断送在考虑欠周的那一瞬间。

A checklist of fossil Mecoptera found in China.

表1 我国已发现的长翅目化石昆虫名录

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。