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RISAn Assessment of Frequency-Dependent Damping Using the Nuclear Piping System Damping Data Base
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The existing nuclear piping damping data base is examined to assess the relation between frequency and damping in the seismic range (0 to 33 Hz). A conclusion is reached that the published ...
The History of Allowable Damping Values for U.S. Nuclear Plant Piping
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Prior to 1982, pipe damping values in nuclear plants were prescribed by Regulatory Guide 1.61 and Appendix N to Section III of the ASME Boiler and Pressure Vessel Code. In the early 1980s, ...
Moment Loads Induced by Pressure and Momentum Forces in Piping
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A structural load, which is often overlooked when ASME Code analyses of piping and nozzles are conducted, is the moment induced by axial elongation of a pipe segment due to internal fluid ...
A Summary of NRC Generic Safety Issue 113: Dynamic Qualification and Testing of Large Bore Hydraulic Snubbers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The Nuclear Regulatory Commission (NRC) developed Generic Safety Issue 113, “Dynamic Qualification and Testing of Large Bore Hydraulic Snubbers (LBHSs),” with the objective of evaluating the ...