Advertisement

Multidimensional CFD Simulation of a Diesel Engine Combustion: A Comparison of Combustion Models

  • Arif Budiyanto
  • Bambang Sugiarto
  • Bagus Anang
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 190)

Abstract

The objective of this study is to simulate combustiuon process and pollutant formation in the combustion chamber of a DI diesel engine. The modelled results were validated by comparing predictions against corresponding experimental data for a diesel engine. The predicted and measured in-cylinder pressure and emission data were in good agreement. Computational fluid dynamics (CFD) is able to significantly reduce the number of experimental test and measurement and lower the development time and costs. Some parameter which are needed for CFD calculation must be achieved experimentally such as turbulence time scale constant. The CFD simulations demonstrated good agreement to the measured data. The results show that, applying appropriate constant of each combustion model including eddy break up model (Ebu), caracteristic timescale model (Ctm) and extended coherent flamelet model (Ecfm) causes the computaional result to be in agreement with experimental results. Furthermore the result show that the nearest prediction in comparasion with experimental result is by applying the Ecfm model.

Keywords

Diesel engine CFD Combustion models 

Nomenclature

u

Velocity

p

Pressure

T

Temperature

C

Species concentration

\( \dot{m} \)

Mass flow rate

\( \dot{Y} \)

Mass fraction

\( r_{f} \)

Stoichiometric coefficient

n

Engine speed

\( h_{v} \)

Maximum valve lift

Greek symbols

\( \hat{\rho } \)

Density

\( \mu \)

Viscosity

\( \phi \)

Equivalence ratio

\( \dot{\omega } \)

Combustion reaction rate

\( \varepsilon \)

Turbulent Dissipation rate

Abbreviations

CFD

Computational fluids dynamics

TKE

Turbulence kinetic energy

Ebu

Eddy break-up model

Ctm

Caracteristic timescale model

Ecfm

Extended coherent flamelet model

Notes

Acknowledgments

Authors would like to express thanks to Mechanical Engineering University of Indonesia and BTMP-BPPT (Agency for the Assessment and Application of Technology) Indonesia for their financial support and laboratory facilities in the research project.

References

  1. 1.
    Moshaberi R, Fotrosy Y, Jalalifar S (2009) Modeling of spark ignition engine combustion: a computaional and experimental study of combustion process effects on NOx emissions. Asian J Appl Sci, ISSN 1996-3343, MalaysiaGoogle Scholar
  2. 2.
    Pirouzpanah V, Khoshbakhti Saray R (2006) A predictive for the model combustion process in dual fuel engine at part loads using a quasi dimensional multi zone model and detailed chemical kinetics mechanism. IJE Trans B: Appl 19(1)Google Scholar
  3. 3.
    Pirouzpanah V, Saray KR (2007) Comparasion of thermal and radical effect of EGR gases on combustion process in dual fuel engine at part loads. Energy Convers Manage 48:1909–1918CrossRefGoogle Scholar
  4. 4.
    Ghasemi A, Djavareskhian MH (2010) Investigation of the effect of natural gas equivalence ratio and piston bowl flow field on combustion and pollutant formation of a DI dual fuel engine. J Appl Sci, ISSN 1812-5654, Asian Network for Sciencific InformationGoogle Scholar
  5. 5.
    Britas A, Chiriac R (2011) U.P.B. Sci Bull, Series D, 73(4), ISSN 1454-2358Google Scholar
  6. 6.
    Mansour C et al (2001) Gas-diesel (dual-fuel) modeling in diesel engine environment. Int J Therm Sci 40:409–424CrossRefGoogle Scholar
  7. 7.
    Scarcelli R (2008) Lean burn operation for natural gas/air mixtures: “the dual-fuel engines”. Phd Thesis Universita’ Degli Studi Di Roma ‘Tor VergataGoogle Scholar
  8. 8.
    Colin O, Benkenida A (2004) The 3-zones extended coherent flame model (ECFM3Z) for computing premixed/diffusion combustion. Oil Gas Sci Technol—Rev IFP 59(6):593–609, Copyright © 2004, Institut français du pétroleGoogle Scholar
  9. 9.
    Magnussen BF, Hjertager BH (1977) On mathematical modeling of turbulent combustion with special emphasis on soot formation and combustion. Symp (Int) Combust 16:719–729Google Scholar
  10. 10.
    AVL FIRE combustion module.revised E 17-May-2004 CFD Solver v8.3—combustion 08.0205.0699. Copyright © 2004, AVLGoogle Scholar
  11. 11.
    Sahoo a BB, Sahoo b N, Saha b UK (2008) Effect of engine parameters and type of gaseous fuel on the performance of dual-fuel gas diesel engines—a critical review, 1364-0321/$—see front matter 2008 Elsevier Ltd. All rights reserved. doi: 10.1016/j.rser.2008.08.003
  12. 12.
    Nwafor OMI (2003) Combustion characteristics of dual fuel diesel engine using pilot injection ignition. Inst Eng (India) J Apr 2003 84:22–25Google Scholar
  13. 13.
    Kaario O, Larmi M, Tanner FX (2002) Relating integral leght scale to to turbulrnt scale and comparing k-e and RNG k-e turbulence models in diesel combustion simulation. SAE 202 Trans J Engines, pp. 1886–1900, SAE 2002-01-1117Google Scholar
  14. 14.
    Kaario OT, Larmi M, Tanner FX (2002) Comparing single-step and multi-step chemistry using the laminar and turbulence characteristic time combustion model in two diesel engine. SAE Paper 2002-01-1749, Reno, 6.5.-9.5.2002Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  1. 1.Internal Combustion Engine Laboratory Mechanical EngineeringUniversity of IndonesiaDepokIndonesia
  2. 2.Internal Combustion Engine LaboratoryBTMP- BPPT- IndonesiaJakartaIndonesia

Personalised recommendations