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Physical Mechanisms for Atomization of a Jet Spray: A Comparison of Models and Experiments
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Abstract
Because combustion in direct injection engines is strongly influenced by the details of the fuel spray in these engines, we have begun a broad research effort of jet breakup experiments and modelling of these high pressure sprays. The main objective of this effort is to better understand fuel injection from the study of the spray-jet breakup process and the associated fuel-oxidant mixing. The focus of this paper is the development of specific models for atomization of the spray-jet. These models are then compared to each other and to preliminary data from the spray-jet breakup experiments. Initial results indicate that KIVA with this proposed spray model shows good agreement with low pressure data (69 MPa) but underestimates spray penetration for higher pressures (104 MPa).
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Authors
- G. Bower - University of Wisconsin—Madison Engine Research Center
- S. K. Chang - University of Wisconsin—Madison Engine Research Center
- M. L. Corradini - University of Wisconsin—Madison Engine Research Center
- M. El-Beshbeeshy - University of Wisconsin—Madison Engine Research Center
- J. K. Martin - University of Wisconsin—Madison Engine Research Center
- J. Krueger - University of Wisconsin—Madison Engine Research Center
Citation
Bower, G., Chang, S., Corradini, M., El-Beshbeeshy, M. et al., "Physical Mechanisms for Atomization of a Jet Spray: A Comparison of Models and Experiments," SAE Technical Paper 881318, 1988, https://doi.org/10.4271/881318.Also In
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