在冷却剂渗流是一维不可压缩的（或一维定常的）条件下，热层的传热和烧蚀问题可以单独求解。
This paper points out that the thermal and ablative problems of the shield can be solved solely with the coolant flow only under one-dimensional incompressible or steady condition.
建立了简化成二维定常不可压缩流体的离心泵叶片的边界层方程，并对相关量进行了分析。
The boundary layer equations of vanes of centrifugal pump in two-dimensional incompressible fluid are set up and the relevant quantities are analyzed in the paper.
对不可压缩边界层或平面槽道流，还会出现典型的三维结构。
For incompressible boundary layer or plane channel flow, typical three-dimensional structures would appear.
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