The application of process of vane wheel profile forming can ensure the machining accuracy and improve the productive efficiency.
采用成形铣削加工叶轮型面，保证了加工精度，提高了生产效率。
The experiment shows that by changing the velocity coefficient , the separation of boundary layer on pump vane can be controlled, and the performance of pump is improved and its hydraulic efficiency.
实验证明通过改变叶片型线参数方程中的速度系数的取值，可以控制边界层的分离，进而改善泵的性能，提高其水力效率。
A-reasonable range of vane Angle is presented on the basis of experiment data in optimal loading condition, and the range is modified in view of cutting efficiency.
根据最佳装煤条件下的试验数据，提出了合理旋叶升角的范围；并从截煤效率考虑，对此范围进行了修正。
The accuracy and the roughness of the turned vane spindle nose both satisfy design requirements, and the processing efficiency is improved by 4 to 5 times.
车削加工叶片轴头精度、粗糙度全部达到设计要求，提高加工效率4- 5倍。
After optimization, the total pressure loss of the turbine vane was reduced by 0.95%, and the efficiency of the overall compressor was increased by 2.1%.
经优化后，透平高压级静叶的总压损失系数减少0.95%；多级压气机整机效率提高2.1%。
After optimization, the total pressure loss of the turbine vane was reduced by 0.95%, and the efficiency of the overall compressor was increased by 2.1%.
经优化后，透平高压级静叶的总压损失系数减少0.95%；多级压气机整机效率提高2.1%。
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