ICLASS 97
Proceedings of the Seventh International Conference on Liquid Atomization and Spray Systems
Proceedings of the Seventh International Conference on Liquid Atomization and Spray Systems
ISBN Print: 89-950039-2-8
Combustion Characteristics of Diesel Spray in High-Pressure Environment
DOI: 10.1615/ICLASS-97.1370
pages 1114-1121
Аннотация
The present study numerically analyzes the combustion and emission characteristics of the diesel spray in a high-pressure environment. Computations are performed for the peak chamber pressure with range from 4.09 MPa to 16.2 MPa. Numerical results indicate that the pressure increase in combustion chamber significantly influences the mechanism for droplet dynamics and mixing characteristics, spray and fuel vapor penetration, autoignition, flame lift-off height, and flame propagation. Special emphasis is given to the effects of the intake pressure on the flame structure and the NOx/soot formation process.
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