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Energies 2017, 10(11), 1900; doi:10.3390/en10111900

Modeling of Supersonic Combustion Systems for Sustained Hypersonic Flight

Aerospace Engineering Graduate, College of Engineering and Design, Brunel University London, Uxbridge UB8 3PN, UK
Metapulsion Engineering Ltd, 2C Eastbury Avenue, Northwood HA6 3LG, UK
Author to whom correspondence should be addressed.
Received: 16 October 2017 / Revised: 8 November 2017 / Accepted: 9 November 2017 / Published: 18 November 2017


Through Computational Fluid Dynamics and validation, an optimal scramjet combustor has been designed based on twin-strut Hydrogen injection to sustain flight at a desired speed of Mach 8. An investigation undertaken into the efficacy of supersonic combustion through various means of injection saw promising results for Hydrogen-based systems, whereby strut-style injectors were selected over transverse injectors based on their pressure recovery performance and combustive efficiency. The final configuration of twin-strut injectors provided robust combustion and a stable region of net thrust (1873 kN) in the nozzle. Using fixed combustor inlet parameters and injection equivalence ratio, the finalized injection method advanced to the early stages of two-dimensional (2-D) and three-dimensional (3-D) scramjet engine integration. The overall investigation provided a feasible supersonic combustion system, such that Mach 8 sustained cruise could be achieved by the aircraft concept in a computational design domain. View Full-Text
Keywords: supersonic combustion; hypersonic; scramjet; propulsion; fuel injection; computational fluid dynamics supersonic combustion; hypersonic; scramjet; propulsion; fuel injection; computational fluid dynamics

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Neill, S.M.; Pesyridis, A. Modeling of Supersonic Combustion Systems for Sustained Hypersonic Flight. Energies 2017, 10, 1900.

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