Flow-induced vibration in heat exchangers
WebFeb 1, 2010 · Heat transfer enhancement is achieved by flow-induced vibration in elastic tube bundles heat exchangers. For a further understanding of heat transfer enhancement mechanism and tube structure optimization, it is of importance to study the vibration characteristics of fluid-structure interaction of tube bundles. The finite element method is … WebMay 31, 2024 · A fluid multi-structure interaction (FMSI) study on flow-induced coupled vibrations of an elastically mounted cylinder and a detached flexible plate is carried out numerically at a constant Re=100. The effect of a non-dimensional gap between the two structures, and reduced velocity U*, on the proximity-induced coupled flow physics and …
Flow-induced vibration in heat exchangers
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Web1 day ago · However, multi-zone heat exchangers include multiple internal components (internal heat exchangers), which is different from traditional heat exchangers. Additionally, the flow characteristics of dense particle material vary considerably. ... Granular flow-induced vibration. Powder Technology, 145 (2004), pp. 190-202. View … WebOct 7, 2008 · Abstract. a b s t r a c t The flow-induced vibration in heat exchanger is usually considered as a detrimental factor for causing the heat exchanger damage and is strictly prevented from its ...
WebThe possible mechanisms of flow-excited vibration are described, and scaling parameters are derived from considerations of the mechanical and fluid systems. The paper is particularly concerned with the flow-induced vibrations of banks of cylinders in single phase, high Reynolds number, turbulent, cross flow, as occur for example in light water ... WebOct 1, 2013 · Conical spiral tube bundles are widely used in enhancing the heat transfer via the flow-induced vibration in heat exchangers. The shell side flow-induced vibration of the conical spiral tube bundle is experimentally investigated in this paper. The experiment table was built and the operational modes, the vibration parameters of the tube bundle …
WebDec 1, 1974 · This paper discusses the appropriate scaling factors for the modeling of the fluid-mechanical interaction of complex structures. The possible mechanisms of flow … WebFlow-Induced Vibration Handbook for Nuclear and Process Equipment - Nov 16 2024 ... and frame cross flow heat exchangers. Design considerations for these exchangers …
WebOct 5, 2014 · The prediction of flow rates at which the vibration-induced instability takes place in tubular heat exchangers due to cross flow is of major importance to the …
WebFlow-induced vibration of shell and tube heat exchangers (STHEs) has been known for a long time. Heat exchanger tubes tend to vibrate under the inuence of Skip to main content highview middle school new brightonWebIt is indeed true that sporadic failure of tubes in operating heat exchangers occurred even before the ’60’s. However, the significance of flow induced vibration on heat … small size wedding shoesWebJun 3, 2008 · Design guidelines were developed to prevent tube failures due to excessive flow-induced vibration in shell-and-tube heat exchangers. An overview of vibration analysis procedures and recommended design guidelines is presented in this paper. This paper pertains to liquid, gas and two-phase heat exchangers such as nuclear steam … highview middle school middletown ohioWebFlow-excited acoustic resonance is a design concern in many industrial applications. For the case of tube bundles in heat exchangers, several acoustic damping criteria were proposed in the ... highview middle schoolWebJul 13, 2001 · The use of Connors’ equation, or variations thereof, to predict the velocity at which fluidelastic instability occurs in cylinder arrays subject to cross-flow has become ubiquitous. The implicit assumption being that this equation accurately models the physics of fluidelastic instability, and all that is required is to find the “correct” value of Connors’ … small size water heatersIn view of the shell-side geometry and vertical arrangement of tube bundle, the … The experiments were conducted in a wind tunnel with hot-wire measurements … Flow-induced vibration and noise in tube bank heat exchangers due to von … Flow-induced vibration and noise in tube-banks of heat exchangers due to von … small size wedding gift ideasWeb@article{osti_4220121, title = {FLOW-INDUCED NOISE IN HEAT EXCHANGERS}, author = {Putnam, A A}, abstractNote = {Noise or vibration problems in heat exchangers may be … small size wc