Pump Lines on a Drilling Rig
Introduction In this case study, the focus was on conducting a stress analysis of the GRE piping system utilized to link the pumps to the tanks at the drilling rig. Analysis The analysis operated under the assumption that the 6” and 12” pipes were fitted with rigid tensile-resistant joints. Additionally, it was presumed that the […]
Replacing a fiberglass header with a steel header for a Chilled Water System
Introduction As a result of a failure in a fiberglass header in the undercroft of a chilled water system, the decision was made to replace the damaged header with a steel one. This alteration in material had a significant impact on the static and dynamic characteristics of the entire chilled water system. Engineers at Dynaflow […]
Extension of a Fiberglass Cooling Water System of a Power Plant
Introduction In the process of extending an existing power plant, the addition of a new power plant was deemed necessary. This new facility was designed around a Combined Cycle Unit (CCU), which integrated both a Gas Turbine and a Steam System. Notably, the surface condenser of this new plant was cooled using a main cooling […]
Stress Analysis Fluegas Overhead Line
Introduction In this case study, we delved into the stress analysis findings regarding the revised flue gas overhead line in Singapore connecting a third-stage separator to a waste heat boiler. This line operates at high temperatures, leading to a relatively low allowable material stress. Additionally, due to the thermal expansion of the system line and […]
Static Analysis Of GRE Water Headers Connected to Filter Vessels
Introduction In the current project, a static stress analysis was conducted to assess the performance of GRE headers connected to filter vessels. The purpose was to ensure structural integrity and operational safety. The steel vessels were incorporated into the analysis model to accurately depict the system’s configuration, including overlaps. These vessels were supported and anchored […]
GRE Seawater Dump Cassion
Introduction In this case study, a finite element stress analysis was conducted on a seawater dump caisson installed on the deck of a floating offshore structure in the North Sea. The caisson comprises a 56” (ID1400) Glass Reinforced Epoxy (GRE) pipe header, fixed at the main deck and guided at the upper deck. At the […]
Dynamic simulation of a seal gas compressor
Introduction A plant in Asia requested a simulation study to be performed, both fluid mechanical (acoustical) and mechanical, of the compressor piping between the first stage discharge and the second stage suction. The second-stage bypass lines were included in the analysis. Analysis In the first approach, the acoustical and mechanical natural frequencies were determined to […]
Weld Crack in a Circulation Water System
Introduction A serious crack next to a weld in the circulating water flow system was found but it was unclear what had caused this crack. The objective of this case was to find the mechanism, or events, that may have caused the crack in the system and to find a possible solution to prevent other […]
