WebWEAVER D S, GROVER L K. Cross-flow induced vibrations in a tube bank-turbulent buffeting and fluid elastic instability[J]. Journal of Sound and Vibration,1978,59(2): 277-294. AUSTERMANN R, POPP K. Stability behaviour of a single flexible cylinder in rigid tube arrays of different geometry subjected to cross-flow[J]. Web• Successfully simulated and studied tube failure, including analyzing effects of different geometric and fluid parameters on multiple heat-exchanger tube array designs to study flow induced vibrations. • Researched existing literature regarding fluid elastic instability and vortex induced vibrations occurring in heat-exchangers.
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WebOct 6, 2024 · Kumaran, V., Fredrickson, G.H. & Pincus, P. 1994 Flow induced instability of the interface between a fluid and a gel at low Reynolds number. J. Phys. ... White, J. & Heil, M. 2005 Three-dimensional instabilities of liquid-lined elastic tubes: a thin-film fluid-structure interaction model. Phys. Fluids 17, 031506. WebDOI: 10.1016/j.jfluidstructs.2024.103870 Corpus ID: 257866705; Fluidelastic instability of a rod bundle subjected to jet cross-flow @article{GadelHak2024FluidelasticIO, title={Fluidelastic instability of a rod bundle subjected to jet cross-flow}, author={Ibrahim Gad-el-Hak and Njuki Mureithi and Kostas Karazis}, journal={Journal of Fluids and …
WebFeb 13, 2024 · The cross-flow over a surface-mounted elastic plate and its vibratory response are studied as a fundamental two-dimensional configuration to gain physical insight into the interaction of viscous flow with flexible structures. The governing equations are numerically solved on a deforming mesh using an arbitrary Lagrangian-Eulerian finite … WebJul 28, 2016 · Failure of tubes in shell and tube exchangers is attributed to flow induced vibrations of such tubes. There are different excitations mechanisms due to which flow induced vibration occurs and among such mechanisms, fluid elastic instability is the most prominent one as it causes the most violent vibrations and may lead to rapid tube …
Web摘要: The flow-induced vibration of a plate-type beam structure with "pinned-spring" support is studied in this paper. Adopting the assumption of a viscous, incompressible two-dimensional flow, the partial differential equations of the structure are set up, and the Galerkin method and the Fourth-order Rung-Kutta method are employed to solve the … WebJan 5, 2024 · The flow-induced vibration in finned tube heat exchangers is affected by various parameters such as fin height, fin pitch, fin material, tube array, pitch ratio, fin type, fluid velocity etc. ... In this paper, an experimental investigation of fluid elastic instability in shell and tube heat exchangers is carried out by subjecting normal square ...
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 governing equation of the functionally graded, simply supported, fluid-conveying …
WebMay 1, 2000 · @misc{etde_20341140, title = {Flow induced vibration analysis of SMART steam generator tubes : fluid elastic instability, turbulence induced vibration, tube inside vibration} author = {Kim, Y W, Kim, J H, Park, J S, Kim, J I, and Sim, W G} abstractNote = {Once - through helical steam generator, with design concepts quite different from the … small portable camp kitchenWebJan 1, 2006 · Abstract. Fluid-elastic instability in an air-water two-phase cross-flow has been experimentally investigated using two different arrays of straight tube bundles: normal square (NS) array and ... highlights magazine update addressWebMay 1, 2000 · @misc{etde_20341140, title = {Flow induced vibration analysis of SMART steam generator tubes : fluid elastic instability, turbulence induced vibration, tube inside vibration} author = {Kim, Y W, Kim, J H, Park, J S, Kim, J I, and Sim, W G} abstractNote = {Once - through helical steam generator, with design concepts quite different from the … small portable camper trailersWeb2 been done to study flow induced vibration of tube bundles subjected to two-phase cross flow. Since then, a few studies were conducted in this area. highlights magazine hidden picture puzzlessmall portable camping gas stoveWebIt is well known that the Poiseuille flow of a visco-elastic polymer fluid between plates or through a tube is linearly stable in the zero Reynolds number limit, although the stability is weak for large Weissenberg numbers (Wi). ... Keywords:Nonlinear;Instability;Visco-elastic. Correspondingauthor.Tel.:+31-71-5275501;fax:+31-71-5275511. highlights magazine spot the differenceWebOct 28, 2024 · Abstract. Fluid-elastic instability (FEI) is the most dangerous vibration mechanism in tube arrays. As the research shows in the recent years, the mechanism of FEI turns to be clear, but threshold prediction in low mass damping parameter (MDP) tube arrays is still not accurate because of the complexity of the instability mechanism. In … small portable camping fireplace