The cause of turbinestator blades was analyzed on the base of numerical simulation by means of air-thermal coupling for heat transfer and temperature distribution.
在内部流场气-热耦合数值模拟的基础上，研究了某涡轮导向器叶片烧蚀故障的原因。
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For the turbinestator cascade, the negative curving of blade can not improve the performance of the cascades as well, the total losses of straight cascade are the lowest.
The combination of the slot with an optimized blade design significantly reduces the secondary flow losses compared to the original turbinestator, especially at large negative angles of incidence.