Fuel mixing and diffusion behind the unswept ramp injector with lobed nozzle at combustor of scramjet engine

SA Abdollahi, SF Ranjbar, MB Ehghaghi - Energy, 2024 - Elsevier
The use of 2-lobe nozzle for efficient fuel mixing behind the ramp injector nozzle is
comprehensively investigated in this article. Computational fluid dynamic is applied for the …

Improvement of the fuel mixing of ramp injector system via 4-lobe nozzle at scramjet engine

W Fu, NA Razak, H Wang, X Sun, Z Song - Energy, 2024 - Elsevier
The ramp injection system has been extensively used for the fuel distribution and mixing
inside the combustor of scramjet engines. This article presents a three-dimensional …

Computational study of the coaxial air and fuel jet through a 3-lobe strut injector for efficient fuel mixing in a supersonic combustion chamber

NB Ali, A Basem, P Ghodratallah, PK Singh, KT Falih… - Energy, 2024 - Elsevier
In this article, comprehensive simulations of the compressible air stream inside the
combustion chamber are done to disclose the mixing and circulation performance of the 3 …

The role of annular 2-lobe nozzle in a strut injection system on the mechanism of fuel distribution at a scramjet engine

D Wei, Y Jiao, N Zhang, H Gao, H Yu - Energy, 2024 - Elsevier
The strut injection system is a conventional technique for the injection of the fuel in
combustor in hypersonic vehicles. The present article investigates the usage of the annular …

Usage of double injector for efficient mixing of the fuel behind the ramp injector at supersonic combustion chamber

I Omar, MR El-Sharkawy, R Ali, PK Singh, H Rajab… - Scientific Reports, 2025 - nature.com
This investigation presents extensive computational analyses of the compressible flow near
ramp injector with double circular injectors at supersonic combustor of scramjet engine …

Effect of inner strut on mass diffusion and mixing efficiency of cross fuel jet inside the scramjet combustor

Z Li, J Leng, NH Abu-Hamdeh, MN Ajour… - … Communications in Heat …, 2023 - Elsevier
Injection and mass diffusion of fuel jet released in the combustor of scramjet are the primary
processes that improve scramjet engine performance. In this work, the presence of the strut …

Comparison of different lobe-injectors on fuel mixing characteristics of single jet at the supersonic combustion chamber

G Fan, HA Anjal, R Qahiti, NH Abu-Hamdeh… - Aerospace Science and …, 2021 - Elsevier
The successful operation of the scramjet engine considerably relies on the mixing
performance of the fuel and air in the combustor where fuel has short residence time to mix …

Investigation of unswept ramp system with lobe shape nozzle for fuel mixing of hydrogen jet at a scramjet engine

I Omar, MR El-Sharkawy, M Ahmed, PK Singh… - Scientific Reports, 2024 - nature.com
The role of efficient fuel mixing and a stable flame holder is crucial in enhancing the
performance and capabilities of scramjet engines for high-speed flight. The present research …

Influence of the non-equal aligned nozzles for fuel injection inside the supersonic combustion chamber

Z Fan, L Wang, F Xu, X Zhang, B Xie, Y Wen, H Li… - Scientific Reports, 2024 - nature.com
The importance of fuel mixing for the progress of the scramjet engine is indisputable. The
present article shows the importance of the non-equal multi-injector system for effective fuel …

Effect of wedge strut fuel injection nozzles arrangement for a model scramjet engine

OR Kummitha, KR Kandula - International Journal of Hydrogen Energy, 2024 - Elsevier
Scramjet combustors are emerging technologies in the aerospace industry, but this
technology has a great challenge like air-fuel mixing at supersonic speed. Hence, worldwide …