Author : Sharad Walia Devendra Puri Goswami, Badriram Parthasarathy, Rajpalsinh Gohil and Sudeep Taneja

Vibration induced fatigue failures of piping systems in a process industry are a major concern due to its association with safety, corrective action costs, production downtime and environmental impacts. Process Piping Systems have traditionally been designed on the basis of static analysis with little attention paid to vibration induced fatigue. Considering a piping system that is not designed considering these vibrations induced fatigue, can result in failure of supports, supporting structure, overstress causing cracks in pipes and fittings. Consideration of vibration induced fatigue helps in ensuring the safety and integrity of the piping system by eliminating the overstress in piping systems and supporting elements, thereby preventing practical damage to the facility. This paper allows with an opportunity to assess and mitigate the level of piping vibrations that are induced by the degree of turbulence in the flow through the main line. The piping is evaluated in accordance with the Energy Institute’s Guidelines for the Avoidance of Vibration Induced Fatigue Failure in Process Pipework.

Keywords: Flow Induced Turbulence, Caesar II, Piping Systems, Small Bore Connections, Natural Frequency, etc.