Results 71 to 80 of about 139,373 (174)

Thrust vector control systems in scramjet propelled aircraft

open access: yes, 2023
openFin dal volo inaugurale dei fratelli Wright, continue innovazioni tecnologiche hanno caratterizzato il panorama aeronautico e spaziale. Effettuare il trasporto di merci e passeggeri ad alta velocità e ottenere un accesso economico allo spazio sono ...
CIAMPA', DIEGO
core  

Experimental Demonstration of the Concept of Endothermic Fuels for Providing Efficient Cooling to Scramjet Combustors [PDF]

open access: yes, 2011
The development of endothermic fuels is important for providing efficient cooling to scramjet combustors operating at high Mach numbers. Generally the fuel itself can be used as coolant for the engine elements.
Srinivas, J, Manjunath, P
core  

Investigation of Scramjet Inlet Flow Using a Flux-Splitting Solver

open access: yes, 2010
A detailed analysis is carried out on a rectangular scramjet inlet to analyze the flow field. The focus is on examining boundary layer separation and shock interactions to ensure proper operation of the inlet.
R. R. Mankbadi, D. M. Holian
core   +1 more source

Computational Investigations and Control of Shock Interference

open access: yesApplied Sciences
Computational fluid dynamics (CFD) has aided the development, design, and analysis of hypersonic airbreathing propulsion technologies, such as scramjets. The complex flow field in a scramjet isolator has been the subject of intense interest and study for
Cameron Alexander, Ragini Acharya
doaj   +1 more source

Convection Heat-Transfer Characteristics of Supercritical Pressure RP-3 in Horizontal Microchannels

open access: yesEnergies
To enhance the heat-transfer performance of scramjet engines, a numerical simulation was conducted on the heat-transfer process of RP-3 aviation kerosene under supercritical pressure within a horizontal micro-fine circular tube.
Qiaoling Zhang   +4 more
doaj   +1 more source

Numerical Investigation on Supercritical Heat Transfer of RP3 Kerosene Flowing inside a Cooling Channel of Scramjet

open access: yesAdvances in Mechanical Engineering, 2014
Supercritical convective heat transfer characteristics of hydrocarbon fuel play a fundamental role in the active cooling technology of scramjet. In this paper, a 2D-axisymmetric numerical study of supercritical heat transfer of RP3 flowing inside the ...
Ning Wang, Yu Pan, Heng Bao, Jin Zhou
doaj   +1 more source

Experimental Studies of Scramjet Inlet Restart in a Hypersonic Wind Tunnel

open access: yes
Scramjet engines hold great promise for hypersonic propulsion, yet a significant design and operational challenge is ensuring the scramjet can resume operation after being unstarted, once the unstarting conditions have been removed — this process is ...
Noller, Lachlan J.
core   +1 more source

Radical recombination in a hydrocarbon-fueled scramjet nozzle

open access: yes, 2014
To reveal the radical recombination process in the scramjet nozzle flow and study the effects of various factors of the recombination, weighted essentially non-oscillatory (WENO) schemes are applied to solve the decoupled two-dimensional Euler equations ...
He XZ   +5 more
core   +1 more source

Rapid Altitude Tracking for Air-Breathing Hypersonic Vehicle With Limited Angle of Attack

open access: yesIEEE Access, 2019
This paper focuses on the altitude tracking issue for air-breathing hypersonic vehicles. It proposes a rapid altitude tracking method with synthetical consideration on the angle of attack constraint, which is crucial to keep the scramjet away from the ...
Xiaochuan Ma   +4 more
doaj   +1 more source

Performance optimization of the integrated system for cooling and power generation of scramjet engines

open access: yesReli fadian
Scramjet engines are mainstream power systems for hypersonic vehicles, and it has significant thermal protection demand and power supply demand during the long-time and high-Mach-number flight of hypersonic vehicle.
YU Mingzhe   +5 more
doaj   +1 more source

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