Post-test analysis of the LAPCAT-II subscale scramjet
Sign Up to like & getrecommendations! Published in 2020 at "CEAS Space Journal"
DOI: 10.1007/s12567-020-00307-7
Abstract: A subscale flight experiment configuration propelled by a Mach 8 supersonic combustion ramjet (scramjet) was designed within the framework of the European Commission co-funded Long Term Advanced Propulsion Concepts and Technologies II project. The focus… read more here.
Keywords: post test; test analysis; pressure distribution; combustor ... See more keywords
Conceptual design and optimization of scramjet engines using the exergy method
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the Brazilian Society of Mechanical Sciences and Engineering"
DOI: 10.1007/s40430-018-1468-y
Abstract: The exergy-based multi-disciplinary optimization (MDO) method has been applied to conceptual design of a scramjet engine by analyzing the available energy in each subsystem within a highly integrated and high efficiency required vehicle. Regarding the… read more here.
Keywords: design; optimization; exergy efficiency; scramjet ... See more keywords
Preliminary experimental study on solid rocket fuel gas scramjet
Sign Up to like & getrecommendations! Published in 2018 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2018.10.031
Abstract: Abstract In this paper, a new scramjet configuration using solid fuel as propellant is proposed, namely, the solid rocket fuel gas scramjet. The ignition and combustion characteristics and performance of the engine were evaluated by… read more here.
Keywords: rocket fuel; fuel; solid rocket; fuel gas ... See more keywords
Influence of the vortex generator on the performance of solid rocket scramjet combustor
Sign Up to like & getrecommendations! Published in 2019 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2019.08.002
Abstract: Abstract In this paper, the influence of vortex generator on the performance of solid scramjet was investigated by means of direct-connected fire tests. The experiments simulated a flight Mach number 5.5 at 23 km. Hydrocarbon fuel was… read more here.
Keywords: vortex generator; combustor; fuel; generator ... See more keywords
RANS investigation of the effect of pulsed fuel injection on scramjet HyShot II engine
Sign Up to like & getrecommendations! Published in 2019 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2018.10.022
Abstract: Abstract Effective and efficient fuel–air mixing plays a critical role in the successful operation of scramjet engines. To enhance the fuel–air mixing in supersonic combustion systems with a short flow residence time, the pulsed fuel… read more here.
Keywords: fuel injector; fuel injection; pulsed fuel; fuel ... See more keywords
Numerical investigation and optimization on the micro-ramp vortex generator within scramjet combustors with the transverse hydrogen jet
Sign Up to like & getrecommendations! Published in 2019 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2018.11.011
Abstract: Abstract An effective fuel supply strategy with high mixing efficiency, large penetration depth and low stagnation pressure losses determines the overall performance of the scramjet (supersonic combustion ramjet) engine. In this paper, the transverse hydrogen… read more here.
Keywords: scramjet; transverse hydrogen; micro; micro ramp ... See more keywords
Physical insight into axisymmetric scramjet intake design via multi-objective design optimization using surrogate-assisted evolutionary algorithms
Sign Up to like & getrecommendations! Published in 2021 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2021.106676
Abstract: Abstract Scramjet engines are a hypersonic airbreathing technology that offers a potential for economical and flexible space transportation in lieu of traditional rocket-based systems. Accurate prediction of inviscid flowfields is of particular importance for high-performance… read more here.
Keywords: surrogate assisted; design; multi objective; scramjet ... See more keywords
Optimization of scramjet inlet based on temperature and Mach number of supersonic combustion
Sign Up to like & getrecommendations! Published in 2021 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2021.106864
Abstract: Abstract A two-dimensional mixed compression scramjet inlet design is presented in this work. The design is based on the static temperature and Mach number at the combustion chamber inlet according to the conditions required to… read more here.
Keywords: number; compression; mach number; inlet ... See more keywords
Modeling of the non-uniform combustion in a scramjet engine
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2021.05.127
Abstract: Abstract Due to the high-speed of the air stream, the scramjet combustion is neither uniform nor complete. An empirical fuel distribution model is developed to describe non-uniform combustion for scramjet engines. The combustor is subdivided… read more here.
Keywords: combustion scramjet; uniform combustion; fuel; non uniform ... See more keywords
One-dimensional Dynamic Model and Experimental Verification of Scramjet
Sign Up to like & getrecommendations! Published in 2020 at "Combustion Science and Technology"
DOI: 10.1080/00102202.2019.1706501
Abstract: ABSTRACT Firstly, a one-dimensional steady-state calculation model of the scramjet including forebody/inlet, combustor and nozzle/afterbody has been established. Secondly, based on the one-dimensional steady-state model of the scramjet, a one-dimensional dynamic model of the scramjet… read more here.
Keywords: calculation; one dimensional; model; steady state ... See more keywords
Influences of Inlet Geometry Modification on Scramjet Flow and Combustion Dynamics
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DOI: 10.2514/1.b36434
Abstract: The influences of inlet geometry modification on flow and combustion dynamics are experimentally investigated in a model supersonic combustion ramjet (scramjet) installed in Mach 4.5 high-enthalpy air freestreams. The inlet upper-lip angle (6, 12, and… read more here.
Keywords: inlet geometry; influences inlet; combustion dynamics; combustion ... See more keywords