Flow-induced vibration in heat exchangers
WebMay 11, 2024 · Flow-induced vibrations in heat exchanger tubes have led to numerous accidents and economic losses in the past. Fluidelastic instability is the most critical flow-induced vibration mechanism in heat exchangers. Both experimental and computational studies conducted to determine fluidelastic instability were presented in this paper. In the … 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 ...
Flow-induced vibration in heat exchangers
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WebPrevent flow-induced vibration in heat exchangers. New technology can be used in existing tube bundles to enable higher flowrates without risk of tube damage. Optimization of an existing process plant sometimes referred to as revamp or debottlenecking, can result in increased flowrates and higher velocities through the existing facilities ... 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 …
WebMay 1, 1982 · Flow induced vibration tests using water as the shell side medium were conducted on a shell and tube exchanger with single segmental baffles and various tube … WebMar 19, 2024 · The flow-induced vibration (FIV) is regarded as major problem in the heat exchangers (HE) of power plants, petroleum refineries, chemical plants, nuclear reactors, etc. A typical cross-flow HE transfers the heat between an internal fluid flowing through the tubes and an external fluid flowing across the tubes.
WebSep 9, 2024 · According to the needs generated by the industry, there is an urgent need to investigate the flow vibration response law of the elastic tube bundle of heat … 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 …
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-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 …
WebFeb 2, 2011 · 65902. Vibration of tubes in heat exchangers is an important limiting factor in heat exchanger operation. The vibration is caused by … how to repair scuffed patent leather shoesWebFeb 12, 2014 · 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 ... northampton health visitorsWebJul 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’ … how to repair scuffed heelsWebFlow-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 ... northampton heat treatmentWebOct 13, 2024 · Covers components including nuclear reactor internals, nuclear fuels, piping systems, and various types of heat exchangers ; Features examples of vibration … how to repair scuffed rimsWebMar 1, 2024 · Vibration phenomenon in heat exchangers is of major concern for designers and process engineers since it can lead to the tube damage, tube leakage, baffle damage, tube collision damage, fatigue ... how to repair scuffed hardwood floorWebThis results in a split of the flow into either half of the shell with lower velocities and makes it possible to reduce the unsupported tube span length while keeping below a given allowable pressure drop. Tests were performed as a part of a systematic study of water flow-induced vibration in industrial-size heat exchangers. northampton health visiting team