Large-Eddy Simulations of Stratified and Non-stratified T-junction Mixing Flows

David Klören () and Eckart Laurien ()
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David Klören: University Stuttgart, Institute of Nuclear Technology and Energy Systems (IKE)
Eckart Laurien: University Stuttgart, Institute of Nuclear Technology and Energy Systems (IKE)

A chapter in High Performance Computing in Science and Engineering ‘12, 2013, pp 311-324 from Springer

Abstract: Abstract Thermal mixing of coolants with large temperature differences in cooling circuits of power plants may lead to high cycle thermal fatigue in the pipe material. In these mixing regions cracks are often observed in the vicinity of weld seams. In this study the influence of a weld seam in straight pipe flows, isothermal T-junction mixing flows and stratified T-junction mixing flows are investigated with Large-Eddy Simulations (LES). The results are compared to experimental data. Furthermore, T-junction flows with large temperature differences, which are based on an experimental setup at the Institute of Nuclear Energy and Energy Systems (IKE), are numerically investigated and characterized.

Keywords: Root Mean Square; Weld Seam; Pipe Flow; High Cycle Fatigue; Flow Rate Ratio (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-642-33374-3_23

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DOI: 10.1007/978-3-642-33374-3_23

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