It is verified that the design method of free vortex flow is still important in advanced turbine design.
证明了自由涡的设计方法在现代先进涡轮设计中仍占有重要的地位。
The advantage and disadvantage of free vortex flow method are summarized through analyzing the overall design.
通过对整体设计过程的分析，有针对性的总结了自由涡设计方法的优劣。
The contrast of new designed blade with the original one is made in the design of free vortex flow combining with aft-loading profile.
在自由涡与后加载叶型相结合的设计中，对新设计与原设计进行了对比。
Moreover, flow distribution was also calculated by free-vortex flow pattern and compared with that by iso-reaction coefficient flow pattern. Relative evaluation …
同时还对自由涡流型进行了计算，把这两种流型的计算结果作了比较，并对这两种流型的风扇进行了评价。
Then basing on the free-vortex equation, potential equation and stream function of flow are achieved by mathematical analyze, and solving these equations gives flow fields.
从自由涡运动方程出发，推导出管内流场的势函数和流函数方程，获得了管内流场的数学分析解；
Then basing on the free-vortex equation, potential equation and stream function of flow are achieved by mathematical analyze, and solving these equations gives flow fields.
从自由涡运动方程出发，推导出管内流场的势函数和流函数方程，获得了管内流场的数学分析解；
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