在此基础上对射流泵内非定常流动进行了数值模拟，得到了合理的计算结果。
The unsteady flow in a jet pump is calculated and the reasonable calculation result was gotten based on above research.
在计算非定常流动时采用贴体运动网格，每一个时间步长生成一次。
The moving grids are attached to the wing and are generated at every time step in the calculation for the unsteady viscous flows.
基于CFX软件平台，对带无叶扩压器离心叶轮机械内部的非定常流动进行了数值计算分析研究。
The unsteady flow within a centrifugal fan with vaneless diffuser was numerical simulated and analyzed on the CFX software flat.
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