Results 31 to 40 of about 4,282 (226)

A Scramjet Compression System for Hypersonic Air Transportation Vehicle Combined Cycle Engines

open access: yesEnergies, 2018
This paper proposes a compression system for a scramjet, to be used as part of a combined cycle engine on a hypersonic transport vehicle that can achieve sustained flight at 8 Mach 8.
Devendra Sen   +2 more
doaj   +1 more source

Impulse Correlation for Partially Filled Detonation Tubes [PDF]

open access: yes, 2004
The effect of nozzles on the impulse obtained from a detonation tube of circular cross section has been the focus of many experimental and numerical studies. In these cases, the simplified detonation tube is closed at one end (forming the thrust surface)
Cooper, M., Schauer, F., Shepherd, J. E.
core   +1 more source

Scramjets and Their Role in the Future of Aerospace Propulsion Systems [PDF]

open access: yesفناوری در مهندسی هوافضا, 2018
Scramjet is a jet engine designed to fly at high speeds, and is actually a ramjet engine in which combustion takes place in supersonic conditions. Considering that the main use of this type of engine is in the aerospace industry and the development of ...
Mahnaz Zakeri   +2 more
doaj  

Multivariable control of regeneratively-cooled scramjet engine with two-stage kerosene injection based on H∞ method

open access: yesResults in Engineering, 2020
Aimed at diversity of hypersonic flight mission, this paper discusses the multivariable control of regeneratively-cooled scramjet engine with two-stage kerosene injection for both safety operation and high performance.
Chengkun Lv   +4 more
doaj   +1 more source

Design method of supercritical hydrocarbon fuel injection for a scramjet

open access: yesAdvances in Aerodynamics, 2022
Both the fuel transfer control scheme and the knowledge of fuel temperature and pressure values before injection are important to a scramjet engine.
Lei Zhang   +3 more
doaj   +1 more source

Comparison of PaSR and FPV combustion models on numerical simulation for scramjet engine

open access: yesCase Studies in Thermal Engineering
The design and performance analysis of the scramjet engine flow path is inseparable from the accurate simulation of the combustion flow field. In this study, the FPV (Flamelet/Progress Variable) combustion model was employed for scramjet engine ...
Zhilong Yang   +4 more
doaj   +1 more source

Designing Control System of Hypersonic Vehicle with Dynamic Pressure Constraints Considered

open access: yesXibei Gongye Daxue Xuebao, 2019
An airbreathing hypersonic vehicle(AHV) generally adopts a scramjet engine as its propulsion, which needs strict conditions of flight dynamic pressure. A new dynamic pressure control system is presented, in which the AHV autopilot directly uses dynamic ...

doaj   +1 more source

Experimental Study on the Ignition Characteristics of Scramjet Combustor with Tandem Cavities Using Micro-Pulse Detonation Engine

open access: yesAerospace, 2023
This experimental investigation focused on the ignition and combustion characteristics of a tandem cavity-based scramjet combustor with side-by-side identical cavities.
Min-Su Kim   +7 more
doaj   +1 more source

Experimental Investigation of Solid Rocket Scramjet Based on Central Strut

open access: yesAerospace
Scramjet based on solid propellant has become a potential choice for the development of future hypersonic vehicles. In this paper, a boron-containing solid rocket scramjet based on the central strut injection was proposed, and the ground direct-connect ...
Jia Zeng   +4 more
doaj   +1 more source

Combined Diagnostic Analysis of Dynamic Combustion Characteristics in a Scramjet Engine

open access: yesEnergies, 2020
In this work, the dynamic combustion characteristics in a scramjet engine were investigated using three diagnostic data analysis methods: DMD (Dynamic Mode Decomposition), STFT (Short-Time Fourier Transform), and CEMA (Chemical Explosive Mode Analysis ...
Seung-Min Jeong, Jeong-Yeol Choi
doaj   +1 more source

Home - About - Disclaimer - Privacy