Wind and Structures

  • 제24권3호
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  • Pages.267-285
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  • 2017
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  • 1226-6116(pISSN)
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  • 1598-6225(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Frequency and critical fluid velocity analysis of pipes reinforced with FG-CNTs conveying internal flows

  • Ghaitani, M. (Department of Mechanical Engineering, Islamic Azad University) ;
  • Majidian, A. (Department of Mechanical Engineering, Islamic Azad University)
  • 투고 : 2016.11.18
  • 심사 : 2017.01.03
  • 발행 : 2017.03.25
⟨ 이전 논문 다음 논문 ⟩

초록

This paper addresses vibration and instability of embedded functionally graded (FG)-carbon nanotubes (CNTs)-reinforced pipes conveying viscous fluid. The surrounding elastic medium is modeled by temperature-dependent orthotropic Pasternak medium. Flugge shell model is applied for mathematical modeling of structure. Based on energy method and Hamilton's principal, the motion equations are derived. Differential quadrature method (GDQM) is applied for obtaining the frequency and critical fluid velocity of system. The effects of different parameters such as volume percent of CNTs, elastic medium, boundary condition and geometrical parameters are discussed.

키워드

참고문헌

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