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Testing and Risk Analysis are Key Elements of Post Construction Problem Solving: A Case History of System Failure and Fire Hazards

[+] Author Affiliations
Samuel J. Brown

Quest Engineering Development Corporation

Eldon Husband


Jerry L. Lyons

Yankee Ingenuity, Inc.

Paper No. PVP2005-71303, pp. 851-857; 7 pages
  • ASME 2005 Pressure Vessels and Piping Conference
  • Volume 4: Fluid Structure Interaction
  • Denver, Colorado, USA, July 17–21, 2005
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4189-8 | eISBN: 0-7918-3763-7
  • Copyright © 2005 by ASME


Hazardous thermal hydraulic loading conditions and unintended plant shut downs from turbine trips that are identified shortly after a plant start up may be the tip of the iceberg of even greater interrelated hazards and costly damages. This paper presents a case study to further illustrate (from ASME PVP2002-1124 paper) additional considerations for the testing and risk analysis to identify a systematic approach to reduce the hazards and risks of equipment failure from thermal hydraulic forces and secondary hazards (such as fires) to the plant and personnel. This paper examines problems of turbine trip caused by fuel computer controlled regulator valves that results in thermal hydraulic forces from compressor pressure wave surges in the process system that result in piping “Y” fitting (45° laterals) failures in the process piping from crack growth and brittle fracture which lead to process chemical release and fires.

Copyright © 2005 by ASME



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