Application of an efficient hybrid scheme for aeroelastic analysis of advanced propellers | Zendy

R. K. Srivastava | Zendy; Lakshmi Sankar | Zendy; T. S. R. Reddy | Zendy; Dennis L. Huff | Zendy

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Application of an efficient hybrid scheme for aeroelastic analysis of advanced propellers

Author(s) -

R. K. Srivastava,

Lakshmi Sankar,

T. S. R. Reddy,

Dennis L. Huff

Publication year - 1991

Publication title -

journal of propulsion and power

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.913

H-Index - 101

eISSN - 1533-3876

pISSN - 0748-4658

DOI - 10.2514/3.23390

Subject(s) - aeroelasticity , scheme (mathematics) , aerospace engineering , computer science , engineering , structural engineering , aerodynamics , mathematics , mathematical analysis

An efficient 3-D hybrid scheme is applied for solving Euler equations to analyze advanced propellers. The scheme treats the spanwise direction semi-explicitly and the other two directions implicitly, without affecting the accuracy, as compared to a fully implicit scheme. This leads to a reduction in computer time and memory requirement. The calculated power coefficients for two advanced propellers, SR3 and SR7L, and various advanced ratios showed good correlation with experiment. Spanwise distribution of elemental power coefficient and steady pressure coefficient differences also showed good agreement with experiment. A study of the effect of structural flexibility on the performance of the advanced propellers showed that structural deformation due to centrifugal and aero loading should be included for better correlation.

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