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CFD Simulations of Intake Port Flow Using Automatic Mesh Generation: Comparison With Laser Sheet, Swirl and LDA Measurements for Steady Flow Conditions
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Abstract
An automatic hexahedral meshing technique has been combined with CFD to predict the steady flow through practical intake port/valve geometries. Two intake configurations were investigated. An asymmetric design consisting of one helical and one directed port and a symmetric design consisting of two directed ports. The automatic meshing technique dramatically reduces the mesh construction time to less than 15% of that achievable by the conventional route.
Detailed LDA, laser sheet, and swirl measurements reveal that for certain flow conditions and port arrangements it is possible to obtain a good match between the measured and predicted in-cylinder flow structure. The best predictions of in-cylinder swirl were within 5% of the measured values. It is also shown that this approach to mesh generation is both economic and robust for practical engine designs, transforming CFD into a practical tool for the design of intake ports.
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O'Connor, J. and McKinley, N., "CFD Simulations of Intake Port Flow Using Automatic Mesh Generation: Comparison With Laser Sheet, Swirl and LDA Measurements for Steady Flow Conditions," SAE Technical Paper 980129, 1998, https://doi.org/10.4271/980129.Also In
References
- Schittler, M. Bergman, H. Flathmann, K. “The New Mercedes-Benz OM 904 LA Light Heavy-Duty Diesel Engine for Class 6 trucks” 1996 SAE Paper 960057
- Sweetland, P. Reitz, R. D. “Particle Image Velocimetry Measurements in the Piston Bowl of a Diesel Engine” 1994 SAE Paper 940283
- Ghaffarpour, M. R. Baranescu, R. “breathing Analysis Using Analytical Techniques in Diesel Engines” 23 Engine Modelling ASME 1995
- Timoney, D. J. “Smoke and Fuel Consumption Measurements in a Direct Injection Diesel Engine with Variable Swirl” 1985 SAE Paper 851542
- Stone, C. R. Ladommatos, N. “The Measurement and Analysis of Swirl in Steady Flow” 1992 SAE Paper 921642
- Gosman, A. D. “Multidimensional Modelling of Cold Flows and Turbulence in Reciprocating Engines” 1985 SAE Paper 850344
- Brandstätter, W. Johns, R.J.R Wigley, G “The Effect of Inlet Port Geometry on In-Cylinder Flow Structure” 1985 SAE Paper 850499
- El Tahry, S. “Application of a Reynolds Stress Model to Engine-Like Flow Calculations” Transactions of ASME 107 1985
- Arcoumanis, C. Begleris, P. Gosman, A. D. Whitelaw, J. H “Measurements and Calculations of the Flow in a Research Diesel Engine” 1986 SAE Paper 861563
- Befrui, A. B Brandstätter, W et al “The Influence of Inlet Port Design on the In-cylinder Charge Mixing” 1989 SAE Paper 890842
- Sugiura, S. Yamada, T. et al “Numerical Analysis of Flow in the Induction System of an Internal Combustion Engine-Multi-Dimensional Calculation Using a New Method of Lines” 1990 SAE Paper 900255
- Naitoh, K. Fuji, H. et al “Numerical Simulation of the Detailed Flow in Engine Ports and Cylinder” 1990 SAE Paper 900256
- Hayworth, D. C. El Tahry, S. Huebler, S. Chang, S. “Multidimensional Port and Cylinder Flow Calculations for Two- and Four-Valve-Per-Cylinder Engines: influence of Intake Configuration on Flow Structure” 1990 SAE Paper 900257
- Aita, S. Tabbal, A. et al “Numerical Simulation of Port-Valve-Cylinder Flow in Reciprocating Engines” 1990 SAE 900820
- Luo, K. H. Bray K. N. C. “3D Simulation of Induction Port Flow of a Four-Valve Engine Configuration” 1992 SAE Paper 920586
- Shaw, C. T. Graysmith, J. L. Richardson, S. H. “Influencing Engine Design Using Computational Fluid Dynamics” SAE Paper 930877
- Godrie, P. Zellat, M. “Simulation of Flow Field Generated by Intake Port-Valve-Cylinder Configurations- Comparison with Measurements and Applications” 1994 SAE Paper 940521
- Trigui, N. Leep, L. J. Kent, J. C. “Rapid Characterisation of I.C. Engine In-Cylinder Flow at Spark: A Synergistic Approach Using Experimental and Numerical Simulations” 1994 SAE Paper 941934
- Befrui, B. A. “CFD Simulation and Comparison with Measurement of Steady Flow in Intake Ports and Combustion Chambers” International Symposium COMODIA 94 1994
- Takahashi, Y. Fukuzawa, K. Fujii, I. “Numerical Simulation of Flow in Intake Ports and Cylinder of Multi-Valve S.I. Engine using PCC Method” International Symposium COMODIA 94 1994
- Naser, J. A. Gosman A. D. “Flow prediction in an axisymmetric inlet valve/port assembly using variants of k-ε” Proc Instn Mech Engrs 209 1995
- Naser, J. A. Gosman, A. D. “Prediction of compressible subsonic flow through an axisymmetric exhaust valve-port assembly” Proc Instn Mech engrs 209 1995
- Chen, A. Lee, K. C. Yianneskis, M. Ganti, G. “Velocity Characteristics of Steady State Flow Through a Straight Generic Inlet Port” Jnl for Numerical Methods in Fluids 21 1995
- Bauer, W. Heywood, J. B. Avanessian, O. Chu, D. “Flow Characteristics in Intake Port of Spark Ignition Engine Investigated by CFD and Transient Gas Temperature Measurement” 1996 SAE Paper 961997
- Shinogle, R. D. Jain, S. K. et al “Advanced Computational Methods for Predicting Flow Losses in Intake Regions of Diesel Engines” 1997 SAE Paper 970639
- Nadarajah, S. Tindal, M. J. Yianneskis, M. “An Experimental Study of Velocity and Reynolds Stress Distributions in a Production Engine Inlet Port Under Steady State Conditions” 1990 SAE Paper 900058
- Computational Dynamics Ltd London 1995
- Launder, B. E. Spalding, D. B. “The Numerical Computation of Turbulent Flows” Comput. Methods Appl. Mech. Eng. 3 1974