PALETTATURA PER FILA DI PALETTE DI TURBINA A REAZIONE
- 申请公布号：
- IT9021615(A1)
- 申请号：
- IT19900021615
- 申请日期：
- 1990.10.01
- 申请公布日期：
- 1991.04.17
- 申请人：
- WESTINGHOUSE ELECTRIC CORPORATION
- 发明人：
- TRAN MANK HAI
- 分类号：
- F01D;F01D5/14;F01D9/02
- 主分类号：
- F01D
- 摘要：
- <p>A blade for a steam turbine has a concave, pressure-side surface which has a constant radius of curvature, while the convex, suction-side surface has a continuously increasing radius curvature. The constantly increasing radius of curvature allows fluid to accelerate and thus ensure a small boundary layer of thickness. The center of gravity of the blade tenon is located above the center of gravity of the airfoil which will reduce the steam bending stress applied at the base of the airfoil as well as at the root of the rotor blade.</p>
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