Journal of the Association of Engineers, India

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On the Computational Strategies of the Vibration Analysis of Turbomachinery Blades


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1 Mechanical Engineering Department, Jadavpur University, Calcutta-32, India
     

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A methodology has been developed for the vibration analysis of spinning turbomachinery blades. A generalised program has been developed for the calculation of natural frequencies and mode shapes of a blade spinnnig under various boundary conditions. An equation has also been developed for the rapid estimation of natural frequencies of a spinning blade.
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  • Bhattacharyay, S, land Chattopadhyay, T. K., "Application of tapered Finite-element in the vibration analysis of spinning plates." Proc.Indian National Science Academy, 53, A, No. 4, 1987, pp 486.496.

  • Bhattacharyay, S., "Computer aided vibration analysis of spinning isotropic and anisotropic plates.". Thesis submitted for the degree of Master of Mech. Engg. Jadavpur University, Calcutta-32, June, i986.

  • Myklestad, N. O., "Vibration analysis" McGraw-hill Book 06. Inc., N. Y., First editidn, 1944.

  • Simpkinson, S. M., Eitherton, L. J., Millenson, M. B., "Effect of centrifugal force on the elastic curve of a vibrating cantilevei^ beam", NACA Technical Note No. 1204, 1947.

  • Sutherland, R. L., "Bending vibration of a rotating blade vibrating in the plane of rotation", J. Appl. Mech., Trans. ASME, 16, 389.394, 1949.


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  • On the Computational Strategies of the Vibration Analysis of Turbomachinery Blades

Abstract Views: 198  |  PDF Views: 0

Authors

Tapan Chattopadhyay
Mechanical Engineering Department, Jadavpur University, Calcutta-32, India

Abstract


A methodology has been developed for the vibration analysis of spinning turbomachinery blades. A generalised program has been developed for the calculation of natural frequencies and mode shapes of a blade spinnnig under various boundary conditions. An equation has also been developed for the rapid estimation of natural frequencies of a spinning blade.

References