This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
Neat Dimethyl Ether: Is It Really Diesel Fuel of Promise?
Annotation ability available
Sector:
Language:
English
Abstract
The CFD model, based on the LANL KIVA-3 computer code, modified to account for the multi-step dimethyl ether, DME/air, oxidation chemistry, was developed and used to study the neat DME combustion dynamics in a constant volume at Diesel-like conditions and in the Volvo AH10A245DI Diesel engine. Constant volume simulations confirm high ignition quality of neat DME in air. The results of engine modeling illustrate that the injection schedule used for Diesel fuel is not optimal for DME. Surprisingly, the positive gain and peak pressure levels comparable with those for Diesel fuel were obtained using an early (∼ -20 ATDC) injection through a nozzle of a larger diameter at reduced injection pressures and velocities (∼150m/s) preventing too rapid spray atomization. At these conditions, combustion heat release has a specific two-stage character with a peak value placed behind the TDC. Thus, application of neat DME requires development of specific fuel injection equipment, FIE, properly matched with the combustion system.
Recommended Content
Authors
Topic
Citation
Golovitchev, V., Nordin, N., and Chomiak, J., "Neat Dimethyl Ether: Is It Really Diesel Fuel of Promise?," SAE Technical Paper 982537, 1998, https://doi.org/10.4271/982537.Also In
References
- FLEISCH, T. MCCARTHY, C. BASU, A. UDOVICH, C. CHARBONNEAU, P. SLODOWSKE, W. MIKKELSEN, S. - E. AND MCCANDLESS A New Clean Diesel Technology: Demonstration of ULEV Emissions on a Navistar Diesel Engine Fueled with Dimethyl Ether SAE Paper 950061
- EDGAR B.L. DIBBLE R.W. AND NAEGELI D. W. Autoignition of Dimethyl Ether and Dimethoxy Methane Sprays at High Pressures SAE Paper 971677
- PFAHL U. FIEWEGER K. AND ADOMEIT G. Self-ignition of Diesel- relevant Hydrocarbon- air Mixtures Under Engine Conditions 26th Symposium (International) on Combustion, the Combustion Institute 781 1996
- EDGAR B.L. Dimethyl Ether and Other Oxygenated Fuels for Low Emission Diesel Engine Combustion University of California Berkeley 1997
- DAGAUT PH. BOETTNER J.-C. AND CATHONNET M. Chemical Kinetic Study of Dimethyl Ether Oxidation in a Jet Stirred Reactor from 1 to 10 atm: Experiments and Kinetic Modeling 26th Symposium (International) on Combustion Combustion Institute 627 1996
- DEC J.E. A Conceptual Model of DI Diesel Combustion Based on Laser-sheet Imaging SAE Paper 970873 1997
- AMSDEN A.A. KIVA-3: A KIVA Program with Block-Structured Mesh for Complex Geometries 1993
- AMSDEN A.A. KIVA-3v: A Block-structured KIVA Program for Engines with Vertical or Canted Valves July 1997
- AVL FIRE 1-3 1996
- REITZ, R.D. AND RUTLAND, C.J. Developing and Testing of Diesel Engine CFD Models Prog. Energy Combust.Sci. 21 137 196 1995
- DAUBERT, T.E. AND DANNER, R.P. Physical and Thermodynamic Properties of Pure Chemicals: Data Compilations 1-5 Taylor & Fransis 1989-1994
- GOLOVITCHEV, V.I. NORDIN, N. AND CHOMIAK, J. Numerical Evaluation of Dual Oxygenated Fuel Setup for DI Diesel Application SAE Paper 971596 1997
- GOLOVITCHEV, V.I. 1996
- MALLARD, W.G. WESTLEY, F. HERRON, J.T. HAMPSON, R.F. AND FRIZZELL, D.H. NIST Chemical Kinetics Database: Version 5.0 National Institute of Standards and Technology Gaithersburg, MD 1993
- MILLER, J.A. AND BOWMAN, C.T. Mechanism and Modeling of Nitrogen Chemistry in Combustion Prog. Energy Combust.Sci. 15 287 1989
- FRENKLACH, M. WANG, H. YU, C.-L. BOWMAN, C.T. GOLDENBERG, M. HANSON, R.K. DAVIDSON, D.F. CHANG, E.J. SMITH, J.P. GOLDEN, D.M. GARDINER, W.C. LISSIANSKI, V. http://www.me.berkeley.edu/gri_mech 1995
- KEE, R.J. RUPLEY, F.M. AND MILLER, J.A. The Chemkin Thermodynamic Data Base 1987
- MCBRIDE, B.J. AND GORDON, S. Computer Program for Calculating and Fitting Thermodynamic Functions 1992
- GLASSMAN, I. Combustion 3nd Academic Press, Inc. 1996
- KENNEDY, I.M. Models of Soot Formation and Oxidation Prog. Energy Combust.Sci. 23 95 1997
- TESNER, P.A. KNORRE, V.G. KAMENSCHIKOVA, V.I. AND SNEGIREVA, T.D. Formation of Soot from Acetylene under Shock-tube Conditions Comb. Expl. Shock Waves 12 644 1976
- SUROVIKIN, V.F. Analytical Description of the Processes of Nucleus-formation and Growth of Particles of Carbon Black in the Thermal Decomposition of Aromatic Hydrocarbons in the Gas Phase Solid Fuel Chemistry 10 1 92 1976
- MAGNUSSEN, B.F. AND HJERTAGER, B.H. On Mathematical Modeling of Turbulent Combustion with Special Emphasis on Soot Formation and Combustion 16th Symposium (International) on Combustion Combustion Institute 719 1976
- BOCKHORN, H. D Soot Formation in Combustion, Mechanisms and Models Springer-Verlag 1994
- GENTRY, R.A. DALY, B.J. AND AMSDEN, A.A. KIVA COAL: A Modified Version of the Kiva Program for Calculating the Combustion Dynamics of a Coal-water Slurry in Diesel Engine Cylinder August 1987
- BARTOK, W. AND SAROFIM, A.F. DS Fossil Fuel Combustion A Source Book 261 Sons, Inc. 1991
- KIEFER, J.H. AND VON DRASEK, W.A. The Mechanism of the Homogeneous Pyrolysis of Acetylene International Journal of Chemical Kinetics 22 747 786 1990
- KROTO, H.W. AND MCKAY K. The Formation of Quasi-icosahedral Spiral Shell Carbon Particles Nature 331 328 1988 28 January
- KRESTININ, A.V. Advanced Computation & Analysis of Combustion Roy G.D. Frolov, SM. Givi, P. ENAS 38 47 1997
- NICKERSON, G.R. AND JOHNSON, C.W. A Soot Prediction Model for the TDK Computer Program AIAA Paper 92-3391 1992
- MARQUARDT, M. MAUSS, F. SUNTZ, R. JUNGFLEISCH, B. AND BOCKHORN, H. Reinitiation of Soot Surface Growth in Premixed Counter-flow Flames 26th Symposium (International) on Combustion Combustion Institute 2343 1996
- GORDON, S. AND MCBRIDE, B.J. Computer Program for Calculation of Complex Chemical Equilibrium Compositions and Applications I. Analysis October 1994
- FUSCO, A. KNOX-KELECY, A.L. AND FOSTER, D.E. Application of a Phenomenological Soot Model to Diesel Engine Combustion 3rd International Symposium on Diagnostics and Modeling of Combustion in Internal Combustion Engines, COMODIA 94 July 11-14 1994 Yokohama, Japan 571 576 1994
- VULIS, L.A. Thermal Regimes of Combustion McGraw-Hill Book Company, Inc NY 1961
- CHEN, J.Y. Stochastic Modeling of Partially Stirred Reactor Comb. Sci. and Tech. 122 63 94 1997
- MAYER, S. Theory of Liquid Atomization in High Velocity Gas Streams ARS J. 31 1783 1961
- LIU, A.B. MATHER, D. AND REITZ, R.D. Modeling the Effect of Drop Drag and Break-up on Fuel Sprays SAE Paper 930072 1993
- KARLSSON, J.A.J. Modeling Auto-Ignition, Flame Propagation and Combustion in Non-Stationary Turbulent Sprays Chalmers University of Technology Göteborg May 1995
- REITZ, R.D. AND BRACCO, F.V. On the Dependence of Spray Angle and Other Spray Parameters on Nozzle Design and Operating Conditions SAE Paper 790494 1979
- WAKAI, K. NISHIDA, K. YOSHIZAKI, T. AND HIROYASU, H. Spray Characteristics of Dimethyl Ether Injected by a D.I. Diesel Injector Fourth International Symposium COMODIA 98 July 20-23 Kyoto, Japan 537 542 1998
- KOSS, H.J. WIARTALLA, A. AND BÄCKER, H. Spray Propagation, Mixture Formation, Auto-Ignition and Soot Formation of Multi-Component Fuels in a Pressure Chamber 1994