Numerical investigation of flow structure in pipe elbow with large eddy simulation approach

Tanaka, Masaaki ; Ohshima, Hiroyuki; Monji, Hideaki*

We have been developing a numerical simulation code "MUGTHES". MUGTHES employs large eddy simulation approach to calculate unsteady thermal-hydraulic phenomena and the boundary fitted coordinate system to model complex geometry in systems precisely. In this study, numerical simulations were conducted for pipe elbow flows in various curvature radius ratio conditions at several Reynolds number conditions. Through these simulations, applicability of MUGTHES to the elbow pipe flow was confirmed and the characteristics of three-dimensional flow structure that might influence on the structural integrity of the elbow pipe was discussed.

Language	:	English
Journal	:	Proceedings of 2009 ASME Pressure Vessels and Piping Division Conference (PVP 2009) (CD-ROM)
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Pages	:	10 Pages
Publication Year/Month	:	2009/07
Meeting title	:	2009 ASME Pressure Vessels and Piping Division Conference (PVP 2009)
Held date	:	2009/07
Location (city)	:	Prague
Location (country)	:	Czech Republic
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Keywords	:	no keyword
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Registration No. : BB20090387
JAEA Abstracts No. : 37001196
Paper Submission No. : 6218

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