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

R. K. Srivastava | Zendy; N. 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,

N. SANKAR,

T. S. R. Reddy,

Dennis L. Huff

Publication year - 1990

Publication title -

29th aerospace sciences meeting

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.1990-28

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

An efficient three-dimensional 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 SRTL, and various advance ratios showed good correlation with experiment. Spanwise distribution of elemental power coefficient and steady pressure coefficient differences :.]se showed good agreement with experiment. A study of the effect of structural fle.,dbi[i_y on the performance of the advanced propellers showed that structural deformation due to centrifugal and aero loading should be included for better correlation. *Member AIAA and AHS. tNASA Resident Research Associate at Lewis Research Center; member AIAA and AHS. tfMember AIAA.

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