Pulse Propagation in Fluid-Filled Elastic Curved Tubes
Hu, Chao-Kan
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https://hdl.handle.net/2142/68508
Description
Title
Pulse Propagation in Fluid-Filled Elastic Curved Tubes
Author(s)
Hu, Chao-Kan
Issue Date
1980
Department of Study
Theoretical and Applied Mechanics
Discipline
Theoretical and Applied Mechanics
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Applied Mechanics
Energy
Language
eng
Abstract
The propagation of fluid transients through elbows in pipes is an important consideration in the safety analysis of nuclear piping systems. In this study, one-dimensional governing equations for the propagation of pressure pulses in an inviscid compressible fluid contained in a thin-walled naturally curved elastic tube is formulated. The method of characteristics is used to solve the pulse propagation problems. A second-order-accurate integration scheme is employed. Classical waterhammer results for a fluid-filled elastic tube are used as a check on the solutions, where appropriate.
An experimental arrangement for pulse studies is described and experimental results are compared with numerical results from the method of characteristics. Finally, pertinent conclusions regarding the applicability of the governing equations are drawn.
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