by GeorgeWebManHopperE | Mar 28, 2021 | Power Generation and Utilities
Challenge: Our client required a structural analysisof a new air-cooled heat exchanger assembly to be installed in Peru. The purpose of the assessment was to investigate whether the current design of the steel structure met the structural code requirements when...
by GeorgeWebManHopperE | Mar 27, 2021 | Power Generation and Utilities
HEA performed a dynamic non-linear time history earthquake analysis of a turbine building structure, exhaust piping, and pipe support gaps. From the global model, we extracted time history column end forces and moments for overstressed members and used the data to...
by GeorgeWebManHopperE | Mar 27, 2021 | Power Generation and Utilities
In-house inspection of a service water pipe elbow revealed thinning of the pipe walls due to erosion and/or corrosion. HEA mapped measurements taken of the wall thinning onto a detailed finite element model of the elbow. Analysis of this model indicated that stresses...
by GeorgeWebManHopperE | Mar 27, 2021 | Power Generation and Utilities
A Motor Operated Valve was replaced with a heavier valve, requiring reanalysis of the Pressurizer Valve Piping. HEA performed a Class 1 piping analysis considering dynamic fluid transient loading and thermal stratification effects.
by GeorgeWebManHopperE | Mar 27, 2021 | Power Generation and Utilities
The actual number of loss of letdown thermal transients was found to exceed the design number of transients for a charging nozzle. HEA performed a Class I evaluation of the charging nozzle using thermal transient heat flow and stress analyses.
by GeorgeWebManHopperE | Mar 27, 2021 | Power Generation and Utilities
HEA determined the seismic displacement of a suspended crane hook load as part of an ISFSI project. Impact of a hook load into the structure was a primary concern. HEA used a computer model to accurately represent the crane, surrounding superstructure, and ground...