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Numerical Analysis for Mixing Process of High-speed Unsteady Jets Using PDF-CFD Model
Technical Paper
2006-01-1193
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The flow and mixing process of a high-speed unsteady jet are analyzed by using computational fluid dynamics for incompressible flow with the k-ε turbulence model and a stochastic approach. The pseudo-nozzle concept is applied to the inlet condition with a large pressure gradient. The non-uniform states of turbulent mixing are statistically described using probability density functions (PDFs). The results show that the time history of the jet development agrees with experimental data for methane and hydrogen fuels. In addition, the effect of the injection condition on the development of the jet tip is well described with this model. Furthermore, the micro-mixing process is successfully described with this PDF model.
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Authors
Citation
Kawanabe, H., Naito, Y., and Ishiyama, T., "Numerical Analysis for Mixing Process of High-speed Unsteady Jets Using PDF-CFD Model," SAE Technical Paper 2006-01-1193, 2006, https://doi.org/10.4271/2006-01-1193.Also In
SAE 2006 Transactions Journal of Passenger Cars: Electronic and Electrical Systems
Number: V115-7; Published: 2007-03-30
Number: V115-7; Published: 2007-03-30
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