By selecting a group of suitable entrance parameters, a submerged inlet with the trapezoid entrance on the plane surface is designed and verified.

通过选取一组合适的入口参数，设计了一种在平面上具有梯形入口的水下入口，并进行了验证。

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Then by selecting a group of suitable entrance parameters, a submerged inlet with the trapezoid entrance on the plane surface is designed and verified by wind tunnel tests.

在此基础上，选择一组口面参数设计了一梯形进口的平面埋入式进气道方案，并进行了高速风洞试验验证。

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The numerical simulation of the velocity field and temperature field of the natural convection in porous medium with a trapezoid space was conducted.

本文对填充有多孔介质的梯形空间内的自然对流的流场和温度场作了数值计算。

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