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公开(公告)号:WO2018063353A1
公开(公告)日:2018-04-05
申请号:PCT/US2016/054862
申请日:2016-09-30
Applicant: SIEMENS AKTIENGESELLSCHAFT
Inventor: LEE, Ching-Pang , AZAD, Gm Salam , BOZKURT, Ozgur , THRIFT, Alan A. , JOBIN, Todd
IPC: F01D5/20
CPC classification number: F01D5/20 , F05D2250/712
Abstract: A squealer tip (30) for a turbine blade (1) includes a tip cap (32) disposed over an airfoil outer wall (12), a pressure side tip wall (34) extending radially from the tip cap (32) and aligned with an outer surface (14a) of an airfoil pressure sidewall (14), and a suction side tip wall (36) extending radially from the tip cap (32) and aligned with an outer surface (16a) of an airfoil suction sidewall (16). The tip cap (32), the pressure side tip wall (34) and the suction side tip wall (36) define a tip cavity (35). Contiguous surfaces (34b, 32b, 36b) of the pressure side tip wall (34), the tip cap (32), and the suction side tip wall (36) form a continuous, concave surface defining the tip cavity (35).
Abstract translation: 一种用于涡轮机叶片(1)的静音尖端(30)包括:设置在翼型外壁(12)上方的尖端帽(32);压力侧尖端壁(34),所述压力侧尖端壁 (32)并且与翼型件压力侧壁(14)的外表面(14a)对齐,以及从所述端盖(32)径向延伸并且与外表面(16a)对齐的吸力侧末端壁(36) 的翼型吸力侧壁(16)。 末端盖32,压力侧末端壁34和吸力侧末端壁36限定末端腔体35。 压力侧顶壁(34),顶端帽(32)和吸力侧顶壁(36)的邻接表面(34b,32b,36b)形成限定顶端腔(35)的连续凹表面。 / p>