Dynamical stability of cantilevered pipe conveying fluid

Get Price Now

Vibration and dynamic stability of pipes conveying fluid

The paper deals with the vibration and dynamic stability of cantilevered pipes conveying fluid on elastic foundations.The relationship between the eigenvalue branches and corresponding unstable Vibration and dynamic stability of pipes conveying fluid Abstract.The paper deals with the vibration and dynamic stability of cantilevered pipes conveying fluid on elastic foundations.The relationship between the eigenvalue branches and corresponding unstable modes associated with the flutter of the pipe is thoroughly investigated.Static equilibrium configuration and nonlinear dynamics of Oct 07,2020 Dynamical stability of cantilevered pipe conveying fluid #0183;Static equilibrium configuration and nonlinear dynamics of slightly curved cantilevered pipe conveying fluid. behaviors of the soft pipe.The stability analyses show that,provided that

Stability Analysis of Pipe Conveying Fluid Stiffened by

Stability analysis of pipe conveying fluid with internal flow is studied in this paper.Finite Element Analysis is used to study the dynamic analysis of pipe conveying fluid stiffened by linear spring.Several effective parameters play an important role in stabilizes the system,such as stiffness addition.Stability Analysis of Pipe Conveying Fluid Stiffened by Stability analysis of pipe conveying fluid with internal flow is studied in this paper.Finite Element Analysis is used to study the dynamic analysis of pipe conveying fluid stiffened by linear spring.Several effective parameters play an important role in stabilizes the system,such as stiffness addition.Some results are removed in response to a notice of local law requirement.For more information,please see here.

Previous123456NextJCAMECH

Dynamical stability of cantilevered pipe conveying fluid in the presence of linear dynamic vibration absorber Z.Y.Liu a,b,aK.Zhou ,L.Wang,b,,T.L.Jianga,b and H.L.Daia,b a Department of Mechanics,Huazhong University of Science and Technology,Wuhan 430074,ChinaOn the Stability of Spinning Functionally Graded Yoon and I.S.Son,Dynamic response of rotating flexible cantilever pipe conveying fluid with tip mass,Int.J.Mech.Sci.49 (2007) 878887.Crossref ,ISI ,Google Scholar 21.On the Stability of Spinning Functionally Graded Yoon and I.S.Son,Dynamic response of rotating flexible cantilever pipe conveying fluid with tip mass,Int.J.Mech.Sci.49 (2007) 878887.Crossref ,ISI ,Google Scholar 21.

On the Dynamic Stability of Fluid-Conveying Pipes

This paper presents a general analysis of the dynamic stability of a finite-length,fluid-conveying pipe.The Flu Dynamical stability of cantilevered pipe conveying fluid #168;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.Numerical Investigation on Vibration and Stability of Abstract.A fluid-conveying cantilever pipe is likely to lose stability by flutter when the fluid is conveyed at certain critical velocity.In the present work,in order to avoid instability and reduce the possibility of unbounded vibrations,parametric studies and numerical investigations were carried out to fine-tune the fluid-conveying cantilever pipe by using a sliding mass and a sliding Numerical Investigation on Vibration and Stability of Abstract.A fluid-conveying cantilever pipe is likely to lose stability by flutter when the fluid is conveyed at certain critical velocity.In the present work,in order to avoid instability and reduce the possibility of unbounded vibrations,parametric studies and numerical investigations were carried out to fine-tune the fluid-conveying cantilever pipe by using a sliding mass and a sliding

Journal of Computational Applied Mechanics

University of Tehran Journal of Computational Applied Mechanics 2423-6713 50 1 2019 06 01 Dynamical stability of cantilevered pipe conveying fluid in the presence of linear dynamic vibration absorber 182 190 69971 10.22059/jcamech.2019.276606.365 EN ZhiYuan Liu Department of Mechanics,Huazhong University of Science and Technology,Wuhan 430074,China Hubei Key Laboratory forJCAMECHDynamical stability of cantilevered pipe conveying fluid in the presence of linear dynamic vibration absorber Z.Y.Liu a,b,aK.Zhou ,L.Wang,b,,T.L.Jianga,b and H.L.Daia,b a Department of Mechanics,Huazhong University of Science and Technology,Wuhan 430074,ChinaFluid-Induced Nonlinear Vibration of a Cantilevered This paper investigates the dynamic behavior of a cantilevered microtube conveying fluid,undergoing large motions and subjected to motion-limiting constraints.Based on the modified couple stress theory and the von K Dynamical stability of cantilevered pipe conveying fluid #225;rm Dynamical stability of cantilevered pipe conveying fluid #225;n relationship,the strain energy of the microtube can be deduced and then the governing equation of motion is derived by using the Hamilton principle.

Effects of supported angle on stability and dynamical

The effects of the supported angle on the stability and dynamical bifurcations of an inclined cantilevered pipe conveying fluid are investigated.First,a theoretical model of the pipe is developed through the force balance and stress-strain relationship.Effects of supported angle on stability and dynamical The effects of the supported angle on the stability and dynamical bifurcations of an inclined cantilevered pipe conveying fluid are investigated.First,a theoretical model of the pipe is developed through the force balance and stress-strain relationship.Effects of Tip Mass on Stability of Rotating Cantilever In this paper,the dynamic stability of a rotating cantilever pipe conveying fluid with a crack and tip mass is investigated by numerical method.That is,the effects of the rotating the rotating angular velocity,the mass ratio,the crack and tip mass on the critical flow velocity for flutter instability of system are studied.The equations of motion of rotating pipe are derived by using the

Effect of hydrodynamic drag on the stability of a

Keywords cantilever pipe,stability,hydrodynamic drag,fluid-structure-interaction,flexible cylinder.1 Introduction In recent years different theories have been developed to predict the dynamic behaviour of submerged,cantilever pipes conveying fluid upward.It was firstEffect of a Viscoelastic Foundation on the Dynamic For pipes of a finite length,the dynamical behavior depends strongly on the type of boundary conditions at both ends [4].References [5] and [6] have studied the dynamic stability of cantilevered pipes on foundations of constant modulus that support only a part of the pipe span.EFFECTS OF TIP MASS ON STABILITY OF ROTATING CANTILEVER In this paper,the dynamic stability of a rotating cantilever pipe conveying fluid with a crack and tip mass is investigated by numerical method.That is,the effects of the rotating the rotating angular velocity,the mass ratio,the crack and tip mass on the critical flow velocity for

EFFECTS OF TIP MASS ON STABILITY OF ROTATING CANTILEVER

In this paper,the dynamic stability of a rotating cantilever pipe conveying fluid with a crack and tip mass is investigated by numerical method.That is,the effects of the rotating the rotating angular velocity,the mass ratio,the crack and tip mass on the critical flow velocity forDynamics and Stability of Pipes Conveying Fluid Journal 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 averaging are used to convert the nonautonomous system into an autonomous one and determine the stability Dynamical stability of cantilevered pipe conveying fluid When the velocity of fluid flow in a cantilevered pipe is successively increased,the system may become unstable and flutter instability would occur at a critical flow velocity.This paper is concerned with exploring the dynamical stability of a cantilevered fluid-conveying pipe with an additional linear dynamic vibration absorber (DVA) attachment.

Dynamical stability of cantilevered pipe conveying fluid

We study various dynamic instabilities in a cantilevered pipe conveying fluid with base excitation.A plain cantilevered pipe conveying fluid loses its stability by a Hopf bifurcation,leading to Dynamic analysis of a cantilevered pipe conveying fluid Aug 01,2018 Dynamical stability of cantilevered pipe conveying fluid #0183;In this paper,variable density fluid is simulated by a new mathematical model that satisfies the continuity of the fluid flow.The fluid forces acting on the pipe are derived from Newtons second law.Combined with a BernoulliEuler beam model,a new dynamic model for a cantilevered pipe conveying a variable density fluid is established.Dynamic Stability of a Fluid-Coveying Cantilevered Pipe on Feb 01,2003 Dynamical stability of cantilevered pipe conveying fluid #0183;Based on an analytical study,a numerical analysis is made of the dynamic stability of a cantilevered steel pipe conveying a fluid.The pipe is modeled by a beam restrained at the left end and supported by a special device (a rotational elastic restraint plus a Q-apparatus) at the right end.The numerical analysis reveals that the critical velocity of the fluid depends on the governing

Dynamic Stability of a Fluid-Coveying Cantilevered Pipe on

Based on an analytical study,a numerical analysis is made of the dynamic stability of a cantilevered steel pipe conveying a fluid.The pipe is modeled by a beam restrained at the left end and supported by a special device (a rotational elastic restraint plus a Q-apparatus) at the right end.The numerical analysis reveals that the critical velocity of the fluid depends on the governing Dynamic Stability of Periodic Pipes Conveying Fluid In this paper,the stability of a periodic cantilevered pipe conveying fluid is studied theoretically by means of a novel transfer matrix method.This method is first validated by comparing the results to those available in the literature for a uniform pipe,showing that it is capable of high accuracy and displaying good convergence Dynamic Stability of Fluid Conveying Cantilevered PipesDjondjorov et al.[8] studied the dynamic stability of fluid conveying cantilevered pipes on elastic Winkler foundations.They observed that the pipe was stable for all the modes studied.

Dynamic Behavior of Axially Functionally Graded Pipes

Dynamic behavior of axially functionally graded (FG) pipes conveying fluid was investigated numerically by using the generalized integral transform technique (GITT).The transverse vibration equation was integral transformed into a coupled system of second-order differential equations in the temporal variable.The Mathematica s built-in function,NDSolve,was employed to numerically solve Dynamic Behavior of Axially Functionally Graded Pipes Dynamic behavior of axially functionally graded (FG) pipes conveying fluid was investigated numerically by using the generalized integral transform technique (GITT).The transverse vibration equation was integral transformed into a coupled system of second-order differential equations in the temporal variable.The Mathematica s built-in function,NDSolve,was employed to numerically solve Cited by 8Publish Year 2018Author Yuchuan Bai,Wude Xie,Xifeng Gao,Wanhai XuNonlinear dynamics of cantilevered pipes conveying fluid Oct 01,2017 Dynamical stability of cantilevered pipe conveying fluid #0183;The stability,vibration characteristics,and nonlinear vibrations are some of the key issues of the dynamical behaviors of pipes conveying fluid.Therefore,it is not surprising that the system of pipes conveying fluid has become a new paradigm in dynamics [9] ,[10] ,[11] and the literature on this topic is constantly expanding [12] ,[13

Cited by 740Publish Year 1974Author M.P.Pa Dynamical stability of cantilevered pipe conveying fluid #239;doussis,N.T.IssidImages of Dynamical Stability of Cantilevered pipe conveyin

imagesDynamical Stability of Cantilevered Pipe Conveying Fluid Cantilevered pipe conveying fluid may become unstable and flutter instability would occur when the velocity of the fluid flow in the pipe exceeds a critical value.In the present study,the theoretical model of a cantilevered fluid-conveying pipe attached by an inerter-based dynamic vibration absorber (IDVA) is proposed and the stability of this dynamical system is explored.Cited by 21Publish Year 2016Author Yinlei Huo,Zhongmin Wang12345NextDynamical stability of cantilevered pipe conveying fluid We study various dynamic instabilities in a cantilevered pipe conveying fluid with base excitation.A plain cantilevered pipe conveying fluid loses its stability by a Hopf bifurcation,leading to Cited by 20Publish Year 2017Author L.Wang,Z.Y.Liu,A.Abdelkefi,Y.K.Wang,H.L.DaiDynamic analysis of a vertically deploying/retracting Jan 06,2016 Dynamical stability of cantilevered pipe conveying fluid #0183;In this study,the first eight eigenfunctions (n = 8) are used to calculate the eigenvalues of the system,and then the first four eigenvalues are selected to the stability analysis of a deploying cantilevered pipe conveying fluid.The dynamical behaviors are computed by the fourth-order RungeKutta method,and the initial tip deflection of the beam is assumed to be 0.005 m for all cases

Cited by 1Publish Year 2019Author ZhiYuan Liu,Kun Zhou,Lin Wang,TianLi Jiang,HuLiang DaiDynamic stability of pipes conveying fluid - ScienceDirect

Apr 08,1974 Dynamical stability of cantilevered pipe conveying fluid #0183;STABILITY OF PIPES CONVEYING FLUID 289 Figure 13 shows the parametric instability regions for a cantilevered pipe with fl = 0.2,y = I0,ct = x = 0 for uo = 4.5,5-5 and 6 in the range ta/too2 Dynamical stability of cantilevered pipe conveying fluid lt; 2.4.(Mode loci under steady flow conditions for this system are shown in Figure 8.)Cited by 13Publish Year 2003Author V.A.Dzhupanov,Sv.V.Lilkova-MarkovaDynamic Stability of Fluid Conveying Cantilevered Pipes on Djondjorov et al.[8] studied the dynamic stability of fluid conveying cantilevered pipes on elastic Winkler foundations.They observed that the pipe was stable for all the modes studied.A Simulation Study on the Dynamic Stability of a Fluid Motivated by the fact that a leaking pipe can lose or gain energy from the leaking flow,this study attempts to explore the nonconservative leaking flow effect on the dynamic stab

Main Products