Mass Balancing of Hollow Fan Blades | Zendy

Robert E. Kielb | Zendy

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Mass Balancing of Hollow Fan Blades

Author(s) -

Robert E. Kielb

Publication year - 1986

Publication title -

journal of engineering for gas turbines and power

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.567

H-Index - 84

eISSN - 1528-8919

pISSN - 0742-4795

DOI - 10.1115/1.3239950

Subject(s) - flutter , supersonic speed , blade (archaeology) , mechanical fan , structural engineering , load balancing (electrical power) , mechanics , aerodynamics , mechanical engineering , aerospace engineering , engineering , physics , mathematics , geometry , grid

A typical section model is used to analytically investigate the effect of mass balancing as applied to hollow, supersonic fan blades. A procedure to determine the best configuration of an internal balancing mass to provide flutter alleviation is developed. This procedure is applied to a typical supersonic shroudless fan blade which is unstable in both the solid configuration and when it is hollow with no balancing mass. The addition of an optimized balancing mass is shown to stabilize the blade at the design condition.

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