层板叶片压力面的冷效略高于吸力面。
The cooling effectiveness of pressure side of blade was higher than suction side.
结果表明，叶片前缘压力面侧布置的气膜孔对叶片压力面有很好的冷却效果；
The results show that the cooling effectiveness on concave side is better than suction side with laying film cooling holes in concave side at leading edges of turbine blade.
试验结果表明：质量大的颗粒，在离心泵叶轮中，其轨迹总是趋向叶片压力面。
Experimental results show that the trajectory of particles with large mass will be close to the pressure surface of blade in the centrifugal impeller.
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