Dynamic stability of pipes conveying fluid
WebSep 21, 2010 · Dynamic analysis of supported pipes conveying pulsating fluid is investigated in Hamiltonian system using precise integration method (PIM). First, symplectic canonical equations of supported pipes are deduced with state variable vectors composed of displacement and momentum. Then, PIM with linear interpolation formula is proposed … WebAug 22, 2013 · The stability of pipes conveying fluid when the pipe is vertically suspended [6], standing [7], viscoelastic [8], nano [9], resting on foundation [10,11], under thermal loads [12][13][14 ...
Dynamic stability of pipes conveying fluid
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WebJun 8, 1986 · The dynamic stability of pipes conveying fluid, in the case of harmonically perturbed flows, has been studied by Paidoussis and Issid [9] and Paidoussis and Sundararajan [ 11 ] using numerical methods. These methods boil down to finding the determinant of a large matrix (for sufficient accuracy) for every point in the parametric … WebMay 6, 2024 · The stability of functionally graded simply supported fluid-conveying microtubes under multiple physical fields was studied in this article. The strain energy of the fluid-conveying microtubes was determined based on strain gradient theory, and the …
WebOct 8, 2015 · This paper is concerned with the development of a theoretical model for predicting the dynamics and pull-in instability of magnetically actuated pipes conveying fluid. The equation of motion of the pipe is constructed in the presence of nonlinear … WebOct 24, 2024 · In this study, vibration and dynamic stability of fluid-conveying thin-walled rotating pipes reinforced with functionally graded carbon nanotubes are studied. The pipe is modeled based on thin-walled Timoshenko beam theory and reinforced by single-walled carbon nanotubes with uniform distribution as well as three types of functionally …
WebDynamic stability of pipes conveying fluid. Païdoussis, M. P. ; Issid, N. T. This paper deals with the dynamics and stability of flexible pipes containing flowing fluid, where the flow velocity is either entirely constant, or with a small harmonic component superposed. An extensive historical review of the subject is given. WebThe dynamics of a fluid-conveying pipe, clamped at the upstream end and elastically supported at the downstream end, are studied and applied to the special case of an LMFBR steam-generator tube. First, the governing equations of the mathematical model are presented in a universal dimensionless form. Then, the stability/instability boundaries of ...
WebApr 7, 2024 · In Figure 16, the effect of the rotary inertia parameter on the stability of simply supported flow-conveying pipes submerged in an external fluid medium in the Ω-β f e plane is displayed. Because the considered system has a symmetric (circular) internal cross-section, in this case, the divergence instability border is observed in the ...
WebMar 20, 2024 · (A) In this paper the authors consider the dynamics of a pipe conveying fluid, when the flow velocity is harmonically perturbed about a mean value. Two methods of analysis are presented; Bolotin's... portadown weather forecastWebJun 30, 2014 · Compared with uniform pipes conveying fluid, the equation of motion of conical pipes conveying fluid has several terms as functions of the axial coordinate, thus yielding more complexity. It is shown that, when the taper angle of the conical pipe is varied in an actual range, the system becomes subject to flutter instability at certain flow ... portadyne record playerWebFeb 1, 1994 · @article{osti_5065467, title = {Dynamics and stability of pipes conveying fluid}, author = {Chang, C O and Chen, K C}, abstractNote = {This paper deals with the dynamics and stability of simply supported pipes conveying fluid, where the fluid has … portadown wiltshireWebFeb 1, 1994 · This paper deals with the dynamics and stability of simply supported pipes conveying fluid, where the fluid has a small harmonic component of flow velocity superposed on a constant mean value. The perturbation techniques and the method of … portadown weather 14 daysWebARIARATNAM S and NAMACHCHIVAYA N (1986) Dynamic Stability of Pipes Conveying Fluid With Stochastic Flow Velocity Random Vibration-Status and Recent Developments - The Stephen Harry Crandall Festschrift, 10.1016/B978-0-444-42665-9.50007-4, (1-17), . portae wine cradleWebMar 1, 1973 · Permissions. This paper presents a general analysis of the dynamic stability of a finite-length, fluid-conveying pipe. The Flu¨gge-Kempner equation is used in conjunction with classical potential theory so that circumferential modes as well as the usual beam modes may be considered. The cylinders are found to become unstable statically … portafab corporation chesterfield moWeb摘要： Considering the jointed influences of outer fluid damping, external steady current, internal flow, axial force, inner pressure and fluid mass ratio on the ciscoelastic pipes conveying fluid, a new numerical method, the Differential-Quadrature Method (DQM), was attempted to analyze the dynamic stability of submarine fluid pipeline under the effect … portaerei nucleare h.w. bush