A Study on the Instantaneous Turbulent Flow Field in a 90-Degree Elbow Pipe with Circular Section
Joint Authors
Yang, Xingtuan
Tu, Jiyuan
Sun, Yanfei
Wang, Shiming
Ren, Cheng
Source
Science and Technology of Nuclear Installations
Issue
Vol. 2016, Issue 2016 (31 Dec. 2016), pp.1-8, 8 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2016-06-23
Country of Publication
Egypt
No. of Pages
8
Abstract EN
Based on the special application of 90-degree elbow pipe in the HTR-PM, the large eddy simulation was selected to calculate the instantaneous flow field in the 90-degree elbow pipe combining with the experimental results.
The characteristics of the instantaneous turbulent flow field under the influence of flow separation and secondary flow were studied by analyzing the instantaneous pressure information at specific monitoring points and the instantaneous velocity field on the cross section of the elbow.
The pattern and the intensity of the Dean vortex and the small scale eddies change over time and induce the asymmetry of the flow field.
The turbulent disturbance upstream and the flow separation near the intrados couple with the vortexes of various scales.
Energy is transferred from large scale eddies to small scale eddies and dissipated by the viscous stress in the end.
American Psychological Association (APA)
Wang, Shiming& Ren, Cheng& Sun, Yanfei& Yang, Xingtuan& Tu, Jiyuan. 2016. A Study on the Instantaneous Turbulent Flow Field in a 90-Degree Elbow Pipe with Circular Section. Science and Technology of Nuclear Installations،Vol. 2016, no. 2016, pp.1-8.
https://search.emarefa.net/detail/BIM-1118564
Modern Language Association (MLA)
Wang, Shiming…[et al.]. A Study on the Instantaneous Turbulent Flow Field in a 90-Degree Elbow Pipe with Circular Section. Science and Technology of Nuclear Installations No. 2016 (2016), pp.1-8.
https://search.emarefa.net/detail/BIM-1118564
American Medical Association (AMA)
Wang, Shiming& Ren, Cheng& Sun, Yanfei& Yang, Xingtuan& Tu, Jiyuan. A Study on the Instantaneous Turbulent Flow Field in a 90-Degree Elbow Pipe with Circular Section. Science and Technology of Nuclear Installations. 2016. Vol. 2016, no. 2016, pp.1-8.
https://search.emarefa.net/detail/BIM-1118564
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1118564
