Piping Engineering / Design Blog.


Vibration Control of Piping Systems

Posted by Antony Thomas at Sunday, March 07, 2010

Pipework dampers are frequently used for the protection of piping systems and
other components in power plants and industrial facilities. GERB pipework dampers
are highly effective visco-elastic elements, well proven in numerous installations.

Practical experience in power plants shows that the reliability and life expectancy of piping systems are largely determined by their dynamic characteristics and behavior.Dynamic loads are experienced during normal, continuous operation and during abnormal, potentially disastrous situations.

Hydrodynamic forces and pressure pulses,i.e. due to abrupt opening or closing of valves, cause vibrations of piping and aggregates,as do connected pumps, compressors,or turbines. In addition, external excitations caused, for example, by disastrous events like earthquakes may be transmitted to the piping through the support structure.In all cases the resulting pipe deflection scan be excessive and permissible loads may be exceeded.

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