This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
A Comprehensive CFD-FEA Conjugate Heat Transfer Analysis for Diesel and Gasoline Engines
Technical Paper
2019-01-0212
ISSN: 0148-7191, e-ISSN: 2688-3627
This content contains downloadable datasets
Annotation ability available
Sector:
Language:
English
Abstract
As the efforts to push capabilities of current engine hardware to their durability limits increases, more accurate and reliable analysis is necessary to ensure that designs are robust. This paper evaluates a method of Conjugate Heat Transfer (CHT) analysis for a gasoline and a diesel engine that combines combustion Computational Fluid Dynamics (CFD), engine Finite Element Analysis (FEA), and cooling jacket CFD with the goal of obtaining more accurate temperature distribution and heat loss predictions in an engine compared to standard de-coupled CFD and FEA analysis methods. This novel CHT technique was successfully applied to a 2.5 liter GM LHU gasoline engine at 3000 rpm and a 15.0 liter Cummins ISX heavy duty diesel engine operating at 1250 rpm. Combustion CFD simulations results for the gasoline and diesel engines are validated with the experimental data for cylinder pressure and heat release rate. Radiation models were implemented to estimate heat transfer more accurately for diesel engine. FEA simulations are performed in a separate software platform. Data exchanges between CFD and FEA software codes are performed at specified sub-cycle engine intervals and the simulations are continued for multiple engine cycles until cycle-to-cycle convergence of wall temperatures is achieved. The model predictions are validated against experimental data available from thermocouples embedded inside the cylinder head. The detailed CHT model includes the coolant circuit and oil gallery. The overall predictions from the model match closely with the experimental observations. The work establishes a validated modeling framework for CHT modeling in gasoline and diesel engines.
Recommended Content
Authors
Topic
Citation
Shah, B., Moiz, A., Hoffmeyer, M., Abidin, Z. et al., "A Comprehensive CFD-FEA Conjugate Heat Transfer Analysis for Diesel and Gasoline Engines," SAE Technical Paper 2019-01-0212, 2019, https://doi.org/10.4271/2019-01-0212.Data Sets - Support Documents
Title | Description | Download |
---|---|---|
Unnamed Dataset 1 | ||
Unnamed Dataset 2 | ||
Unnamed Dataset 3 | ||
Unnamed Dataset 4 |
Also In
References
- Borman , G. and Nishiwaki , K. Internal-Combustion Engine Heat Transfer Progress in Energy and Combustion Science 13 1 1 46 1987 10.1016/0360-1285(87)90005-0
- Assanis , D.N. and Badillo , E. Transient Analysis of Piston-Liner Heat Transfer in Low Heat-Rejection Diesel Engines SAE Technical Paper 880189 1988 10.4271/880189
- Wiedenhoefer , J.F. and Reitz , R.D. Modeling the Effect of EGR and Multiple Injection Schemes on I.C. Engine Component Temperatures Numerical Heat Transfer Part A 37 7 673 694 2000
- Fontanesi , S. and McAssey , E. Experimental and Numerical Investigation of Conjugate Heat Transfer in a HSDI Diesel Engine Water Cooling Jacket SAE Technical Paper 2009-01-0703 2009 10.4271/2009-01-0703
- Kundu , P. , Scarcelli , R. , Som , S. , Ickes , A. et al. Modeling Heat Loss through Pistons and Effect of Thermal Boundary Coatings in Diesel Engine Simulations Using a Conjugate Heat Transfer Model SAE Technical Paper 2016-01-2235 2016 10.4271/2016-01-2235
- Cicalese , G. , Berni , F. , Fontanesi , S. , D'Adamo , A. et al. A Comprehensive CFD-CHT Methodology for the Characterization of a Diesel Engine: From the Heat Transfer Prediction to the Thermal Field Evaluation SAE Technical Paper 2017-01-2196 2017 10.4271/2017-01-2196
- Richards , K.J. , Senecal , P.K. , and Pomraning , E. Converge 2.4, Convergent Science Madison, WI 2018
- Schmidt , D.P. and Rutland , C.J. A New Droplet Collision Algorithm Journal of Computational Phsyics 164 1 62 80 2000 10.1006/jcph.2000.6568
- Amsden , A.A. KIVA-3V: A Block Structured KIVA Program for Engines with Vertical or Canted Valves 1997
- Wang , B. , Miles , P. , Reitz , R. , Han , Z. et al. Assessment of RNG Turbulence Modeling and the Development of a Generalized RNG Closure Model SAE Technical Paper 2011-01-0829 2011 10.4271/2011-01-0829
- Angelberger , C. , Poinsot , T. , and Delhay , B. Improving Near-Wall Combustion and Wall Heat Transfer Modeling in SI Engine Computations SAE Technical Paper 972881 1997 10.4271/972881
- Issa , R.I. Solution of the Implicitly Discretised Fluid Flow Equations by Operator-Splitting Journal of Computational Physics 62 1 40 65 1986 10.1016/0021-9991(86)90099-9
- Rohsenow , W.M. A Method of Correlating Heat Transfer Data for Surface Boiling Liquids Transactions of the ASME 74 969 1952
- Megel , M. , Westmoreland , B. , Jones , G. , Phillips , F. et al. Development of a Structurally Optimized Heavy Duty Diesel Cylinder Head Design Capable of 250 Bar Peak Cylinder Pressure Operation SAE Int. J. Engines 4 3 2736 2755 2011 /10.4271/2011-01-2232
- Hoffmeyer , M. , Moiz , A. et al. Advances toward the Goal of a Genuinely Conjugate Engine Heat Transfer Analysis SAE Technical Paper 2019-01-0008 2019