This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
Experimental and Numerical Approach to Productionizing a GDI-2 Stroke Spark Ignited Small Displacement Engine Design
Technical Paper
1999-01-3290
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Language:
English
Abstract
The first part of the paper gives an overview of the environmental conditions with which a future two stroke powered vehicle must comply and explains the reasons for which a direct gasoline injection into the combustion chamber offers a potential solution.
The paper continues with a description of the fuel/air mixture injection used in the F.A.S.T. concept and gives a detailed overview of the layout of the 125 cc engine to which it is applied. The structure of its electronic engine management system, mandatory for the necessary control precision, is presented. Hereafter is made a short introduction to the visualization and numerical computation tools used for the engine design optimization.
The paper concludes with a detailed presentation and discussion of the experimental results obtained with the engine operated, either in steady state and transient conditions on an engine test rig, and mounted in a classic small dimension two-wheel vehicle submitted to road tests.
Recommended Content
Authors
Topic
Citation
Pontoppidan, M., Nuti, M., Caponi, D., de Maio, A. et al., "Experimental and Numerical Approach to Productionizing a GDI-2 Stroke Spark Ignited Small Displacement Engine Design," SAE Technical Paper 1999-01-3290, 1999, https://doi.org/10.4271/1999-01-3290.Also In
References
- Allocca L. Corcione F.E. Golini S. Papetti F. “Measurement and Modeling of spray/wall Dynamics and Heat Transfer” 3rd Int. Kiva Users Meeting SAE Congress Detroit MI 1993
- Amsden, A.A. O'Rourke, P.J Butler, C.D. “KIVA II A Computer Program for Chemical Reactive Flows with Sprays,” Los Alamos National Labs.
- Amsden, A.A. O'Rourke, P.J Butler “KIVA III: A KIVA Program with Block Structured Mesh for Complex Geometries” Los Alamos National Labs.
- Duret P. et al, “A New Two Stroke Engine with Compressed Air Assisted Fuel Injection System for High Efficiency Low Emissions Applications.” SAE paper 880176
- Heimberg W. “Ficht Pressure Surge Injection System.” SETC paper 931502
- Heywood J. B. “Internal Combustion Engine Fundamentals.” Mc-Graw Hill Book Co New York 1995
- IBM Visualization Data Explorer Programmers Reference 6th
- Nuti M. Pardini R. Caponi D. “FAST Injection System: PIAGGIO Solution for ULEV 2T SI Engines.” SAE paper 970362
- Pontoppidan M Gaviani G. Bella G. Rocco V. “Direct Fuel Injection - A Study of Injector Requirements for Different Mixture Preparation Concepts” SAE Paper 970628
- Pontoppidan M Gaviani G. Bella G. Rocco V. “Improvements of GDI-Injector Optimization Tools for Enhanced SI-Engine Combustion Chamber Layout.” SAE Paper 980494
- Pontoppidan M Gaviani G. Bella G. Rocco V. “Experimental and Numerical Approach to Injection and Ignition Optimization of Lean GDI-Combustion Behavior.” SAE Paper 99001024
- Reitz, R.D. “Assessment of Wall Heat Transfer Models for Premixed-Charge Engine Combustion Computations” SAE Paper 910267