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ISSN:2394-3661 | Crossref DOI | SJIF: 5.138 | PIF: 3.854

International Journal of Engineering and Applied Sciences

(An ISO 9001:2008 Certified Online and Print Journal)

Investigation of vibrational properties of apple, lemon and orange branches under dynamic loads

( Volume 2 Issue 1,January 2015 ) OPEN ACCESS
Author(s):

Amin Yazdanmanesh, Davood Kalantari

Abstract:

In the present research, investigation of vibrational properties of apple, orange and lemon tributaries is presented. Vibration of the samples were recorded by means of a digital video camera (Canon Sx 120IS) with 30 frames per second (fps). With reviewing the recorded frames in BsPlayer software, displacement of tip of the examined branches was measured and several vibrational characteristics were extracted or computed from the frames. Given the computed vibrational properties, a mathematical model is proposed for the free vibration of the apple, lemon and orange branches. Comparison between outputs of the model with the measurements indicates a good capability of the proposed model. The obtained results indicate that the orange branches have a significantly larger stiffness constant (k) and critical damping constant (cc) in compare to the apple and lemon branches.

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