以下为句子列表：
英文: The influences of disk rotational speed, mass flow rate of inlet and presence of the blade-cooling holes on the flow characteristics in the cavity were investigated.
中文: 结果表明：在本实验范围内，静盘表面静压沿半径方向先减小，后增大。
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英文: Using numerical simulation method, detailed dynamic pressure variations, transient gas temperature and mass flow rate in the PTR, and the coefficient of performance of PTR and the exergy losses of all parts of PTR were obtained.
中文: 用数值模拟方法得到了制冷机内部各点的压力、温度、质量流率等参数的瞬时变化情况及整机的制冷系数，并得到了制冷机各部件的（火用）损失及整机的（火用）效率。
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