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Turbulent flow and ...
Turbulent flow and heat transfer in a square-sectioned U-bend
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- Etemad, Sassan (författare)
- Lund University,Lunds universitet,Värmeöverföring,Institutionen för energivetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Heat Transfer,Department of Energy Sciences,Departments at LTH,Faculty of Engineering, LTH
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- Sundén, Bengt (författare)
- Lund University,Lunds universitet,Värmeöverföring,Institutionen för energivetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Heat Transfer,Department of Energy Sciences,Departments at LTH,Faculty of Engineering, LTH
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Daunius, O (författare)
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(creator_code:org_t)
- 2006
- 2006
- Engelska.
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Ingår i: Progress in Computational Fluid Dynamics, An International Journal. - 1741-5233. ; 6:1-3, s. 89-100
- Relaterad länk:
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http://dx.doi.org/10...
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Abstract
Ämnesord
Stäng
- Turbulent flow and heat transfer in a square-sectioned U-bend are investigated. Turbulence models with linear and non-linear expressions for the Reynolds stresses are used. The near wall turbulence is treated by the damping functions approach and a two-layer model with Wolfshtein's sub-layer treatment. The inlet conditions have a significant effect on the predictions. The results from the non-linear low-Reynolds number k-epsilon models including Suga's cubic low-Re model were closest to experimental data. These models predicted the stress-induced secondary motion in the straight inlet duct well. This secondary motion had a small impact on the flow in the bend.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
Nyckelord
- secondary
- flow
- turbulence models
- computation
- curved duct
- heat transfer
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- art (ämneskategori)
- ref (ämneskategori)
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