Study on the Flame Propagation Process in an Ignited Hydrogen Jet
2008-01-1035
04/14/2008
- Event
- Content
- Fundamental investigation is conducted on flow and the spark-ignited combustion process of a high-speed, unsteady hydrogen jet, by experimental and theoretical approaches. Jet development and flame propagation in a constant-volume vessel were visualized by means of the shadowgraph technique. The effects of ignition timing and ignition location on the combustion process were investigated. Furthermore, a numerical simulation was performed by using incompressible-flow type computational fluid dynamics with the k-ε turbulence model and the flamelet concept. The pseudo-nozzle concept is applied to the inlet condition with a large pressure gradient. The flame propagation process is described by reference to the flame area evolution model. The results show that the pressure-history in a vessel and the flame propagation process are successfully described for experimental data. Furthermore, the flame propagation process in a jet is investigated.
- Pages
- 9
- Citation
- Kawanabe, H., Matsui, Y., Kato, A., and Shioji, M., "Study on the Flame Propagation Process in an Ignited Hydrogen Jet," SAE Technical Paper 2008-01-1035, 2008, https://doi.org/10.4271/2008-01-1035.