ROTOR BLADE HAVING A FLARED TIP

摘要

A rotor blade includes an airfoil having a blade tip and a tip cavity formed at the blade tip. The blade tip defines a radially outer surface of the airfoil. The tip cavity includes a tip cap that is recessed radially inwardly from the tip and surrounded by pressure and suction side walls of the airfoil. The tip cap is in fluid communication with an internal cavity defined within the airfoil. A portion of at least one of the suction side wall or the pressure side wall that defines the tip cavity extends obliquely outwardly from the tip cavity. A plurality of slots is defined in at least one of the suction side wall or the pressure side wall along the radially outer surface proximate to the trailing edge of the airfoil.

主权项

1. A rotor blade, comprising:
an airfoil having a pressure side wall and a suction side wall connected at leading and trailing edges of the airfoil, a blade tip defining a radially outer surface of the airfoil, and an internal cavity for receiving a cooling medium; and a tip cavity in fluid communication with the internal cavity and at least partially defined by a tip cap recessed radially inwardly from the radially outer surface and surrounded by the pressure and suction side walls, wherein a portion of at least one of the suction side wall or the pressure side wall that defines the tip cavity extends obliquely outwardly from the tip cavity, wherein a plurality of slots is defined in at least one of the suction side wall or the pressure side wall along the radially outer surface proximate to the trailing edge of the airfoil.