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Fundamental mode of...
Fundamental mode of freely decaying laminar swirling flows
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- Beaubert, F. (författare)
- TEMPO, UVHC, Campus Mont Houy, 59313 Valenciennes Cedex 9, France
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- Pálsson, H. (författare)
- University of Iceland, Sæmundargötu 2, Reykjavík 101, Iceland
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- Lalot, S. (författare)
- EMPO, UVHC, Campus Mont Houy, Valenciennes Cedex 9, France
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- Choquet, Isabelle, 1965- (författare)
- Högskolan Väst,Avd för maskinteknik,PTW Welding
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- Bauduin, H. (författare)
- EMPO, UVHC, Campus Mont Houy, Valenciennes Cedex 9, France
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(creator_code:org_t)
- Elsevier BV, 2016
- 2016
- Engelska.
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Ingår i: Applied Mathematical Modelling. - : Elsevier BV. - 0307-904X .- 1872-8480. ; 40:13-14, s. 6218-6233
- Relaterad länk:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Abstract A detailed study of a swirling flow in a tube is presented in the first part of the paper. A simplified analytical solution of the governing equations indicates specific modes of the tangential velocity and that the decay of the swirl effect is exponential. The problem is then solved in three dimensions using computational fluid dynamics (CFD) and a comparison with analytical expressions shows that the CFD code is reliable in terms of accuracy. The CFD results confirm that a fundamental swirling mode is reached within a short distance from the inlet. The torque swirl number is introduced to physically estimate the intensity of the swirl. A companion value is given: it is the average deviation.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Teknisk mekanik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Applied Mechanics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Strömningsmekanik och akustik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Fluid Mechanics and Acoustics (hsv//eng)
Nyckelord
- Laminar
- Decay
- Swirl
- Analytical
- Boundary condition
- OpenFOAM
- Manufacturing and materials engineering
- Produktions- och materialteknik
- Matematik
- Mathematics
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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