Maurice Tutor

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Teaching Since: May 2017
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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 22 Nov 2017 My Price 6.00

control tab of an airplane

The control tab of an airplane elevator is shown schematically in the Figure E5.5. The mass moment of inertia Jo of the control tab about the hinge point O is known, but the torsional spring constant k1 associated with the control linkage is difficult to evaluate, and hence, the natural frequency ωn = is difficult to determine. An experiment is designed to determine this natural frequency of the system. In this experiment, the elevator is rigidly mounted, springs with stiffness k1 and stiffness k2 are attached to the control tab, and the tab is harmonically excited at an amplitude e, as illustrated in the figure. The excitation frequency v is varied until resonance occurs at v = vr, and this value is noted. Assuming that the damping in the system is negligible, determine an expression for vn in terms of vr, k1, k2, Jo, and L.

 

 

Answers

Maurice Tutor
(5)
Status NEW Posted 22 Nov 2017 02:11 PM My Price 6.00

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