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TECHNICAL PAPERS: Internal Combustion Engines

On Application of Nonlinear k-ε Models for Internal Combustion Engine Flows

[+] Author and Article Information
G. M. Bianchi

Department of Mechanical Engineering, Diem–University of Bologna, Viale Risorgimento 2, Bologna 40136, Italy

G. Cantore, P. Parmeggiani

Department of Mechanical Engineering, University of Modena, Via Vignolese 905, Modena 41100, Italy

V. Michelassi

Department of Mechanical and Industrial Engineering, University of Roma Tre, Via di tor Vergata, Rome 00100, Italy

J. Eng. Gas Turbines Power 124(3), 668-677 (Jun 19, 2002) (10 pages) doi:10.1115/1.1454115 History: Received July 01, 1999; Revised August 01, 2001; Online June 19, 2002
Copyright © 2002 by ASME
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References

Figures

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(Vafidis, 40): engine layout
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Engine measurement locations
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Initial velocity profile—mean velocity axial component on the symmetry plane—locations at 2 cm below cylinder head
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Effect of constitutive relation on tumble ratio
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Effect of constitutive relation on axial mean velocity profile at TDC–RT=0.1
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Effect of constitutive relation on axial turbulence intensity at TDC–RT=0.1
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Effect of constitutive relation on anisotropy levels prediction—location P3–RT=0.1
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Effect of constitutive relation on mass averaged k–RT=0.1
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Effect of constitutive relation on mass averaged ε–RT=0.1
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Effect of constitutive relation on mass averaged k–RT=1.0
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Effect of constitutive relation on mass averaged ε–RT=1.0
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Effect of constitutive relation on anisotropy levels prediction—location P3–RT=1.0
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Effect of constitutive relation on axial turbulence intensity at TDC–RT=1.0
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Effect of constitutive relation on axial mean velocity profile at TDC
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Mean flow structure on symmetry plane–10 c.a. deg BTDC–RT=1.0
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Mean flow structure on a plane normal to cylinder axis and located 5 mm below cylinder head 10 c.a. deg BTDC–RT=1.0
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Effect of constitutive nonlinear relationship on a11–10 c.a. deg BTDC–RT=1.0
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Effect of constitutive nonlinear relationship on a33–10 c.a. deg BTDC–RT=1.0

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