نتایج جستجو برای: natural frequency

تعداد نتایج: 945368  

Journal: :The Journal of the Japan Society of Aeronautical Engineering 1957

Journal: :The Academic Research Community publication 2019

ژورنال: تحقیقات موتور 2019
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Transverse vibration of the serpentine belt is effective at noise and durability of it. Therefore, understanding of this phenomenon and studying effective parameters can be used in the process of reducing belt noise and increasing life time. In this paper, transverse vibration of serpentine belt is measured experimentally and analyzed. In the implementation test steps, the displacement of the b...

I. Abdolahi M.H. Yas,

In this paper, free vibration analysis of a polymer-based nano-composite beam reinforced by boron-nitride nanotubes and subjected on elastic foundation, is studied. Smooth and defect-free nanotubes with uniform and directly- orientated in matrix are intended. Also, nanotubes’ distribution in the thickness direction of beam is regarded as a uniform distribution of the three different targeted on...

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