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《Turbine Technology》 2002-06
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Prediction of Solid Particle Erosion(SPE) Characteristics of the Nozzles of a Super-criticalSteam Turbine Governing Stage and the Measures Against SPE

DAI Liping1, YU Maozheng1, WANG Xiangang1, HOU Pingli1, LI Xujun2, LIU Zhijiang2(1 Xi'An Jiaotong University, Institute of Turbomachinery, Xi'an 710049, China;2 Thermal Power Research Institute State Power Corporation of China, Xi'an 710042, China)  
The motion behavior of solid particles in the nozzle passage of a governing stage of a supercritical steam turbine is numerically analysed. According to the impact position, velocity, angle and the antierosion performance of the material the erosion mechanism and erosion characteristics are analysed, furthermore, the aerodynamic measures and surface strengthening measures for reducing erosion are discussed.
【CateGory Index】: TK263.4
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