ArticleScientific reports2024
Using shock generator for the fuel mixing of the extruded single 4-lobe nozzle at supersonic combustion chamber.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Using internal air injection for fuel mixing enhancement of annular hydrogen jet behind an inclined strut in a supersonic combustor: computational study.Scientific reports · 2025Article
- Usage of serpentine injector for hydrogen mixing at combustion chamber of scramjet engine via a computational study.Scientific reports · 2025Article
- Influence of injection angles on flow structures and mixing properties in a supersonic combustor at low Mach supersonic crossflow.Scientific reports · 2025Article
- Prediction of the transient coolant jet released from the nose cone at supersonic flow via machine learning.Scientific reports · 2025Article
- Usage of double injector for efficient mixing of the fuel behind the ramp injector at supersonic combustion chamber.Scientific reports · 2025Article
- Investigation of unswept ramp system with lobe shape nozzle for fuel mixing of hydrogen jet at a scramjet engine.Scientific reports · 2024Article
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Authors and funding
9 authors.
Funding
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Abstract
The importance of the fuel injection configuration on the propulsion efficiency of high-speed vehicles is apparent. In this article, the use of an annular extruded 4-lobe nozzle for the injection of fuel jet in a supersonic combustor of a scramjet engine in the existence of a shock generator is examined. The main aim of this study is to obtain the efficient jet arrangement for efficient fuel mixing inside the engine of hypersonic vehicles. A numerical approach is used to model the supersonic air stream and cross-jet flow with the SST turbulence model. The role of nozzle altitude and internal air jet on the fuel mixing of the hydrogen within the high-speed domain are disclosed. The importance of the horseshoe vortex and counter-rotating vortex on the fuel distribution is also presented. Our results show that the usage of a coaxial jet instead of an annular jet would increase fuel mixing by more than 40% in the combustion chamber.
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