The United States Coast Guard has granted "Subchapter Q Type Approval" for use the of composite piping for various services including both wet and dry firewater applications in hazardous areas on deepwater Offshore Oil and Gas Platforms and Floating Production Storage Offloading vessels (FPSO's) operating in the Gulf of Mexico. Deepwater activities are the future of the Offshore Oil and Gas Industry. Huge reserves have been located in the Gulf of Mexico as well as off the Coast of West Africa and Brazil. The development of floating production platforms and vessels offers challenges to the facilities engineer who must consider new materials to meet stringent topsides weight limitations. Composite piping, proven in the past to meet the corrosion resistant and mechanical requirements at onshore facilities, has limitations on floating facilities. Resistance to bending loads, pipe and joint flexibility, fire endurance and static electricity issues should be offar greater importance to the piping engineer than internal design pressure. This paper discusses the development of an innovative new approach to improve the reliability of composite piping when considered for facilities piping. A heat-activated coupling joining technique for composite/composite or composite/alloy pipe is under development that could eliminate the need for flanges on retrofit projects when connecting composite pipe to alloy pipe. Particular attention is focused on the heat-activated coupling joining technique. The curing process, the thermal analysis, and the stress analysis for this innovative joining technique are presented via theoretical and test results.
Development of a heat-activated coupling for composite pipe systems
2001 - a Materials and Processes Odyssey, International SAMPE Symposium and Exhibition, 46 ; 2651-2663
2001
13 Seiten, 14 Quellen
Aufsatz (Konferenz)
Englisch
Thermal stress analysis of heat-activated coupling of composite-to-composite pipe
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