Results 21 to 30 of about 160,803 (161)

Spillage-Adaptive Fixed-Geometry Bump Inlet of Wide Speed Range

open access: yesAerospace, 2021
In this work, a new spillage-adaptive bump inlet concept is proposed to widen the speed range for hypersonic air-breathing flight vehicles. Various approaches to improve the inlet start-ability are summarized and compared, among which the bump-inlet ...
Zonghan Yu   +3 more
doaj   +1 more source

Effects of Sidewall Compression and Relaminarization in a Scramjet Inlet [PDF]

open access: yes, 2013
This paper presents the numerical simulations and the performance analysis of a scramjet inlet as part of a combined experimental and numerical study.
Hohn, Oliver   +4 more
core   +1 more source

Passive flow modification over the supersonic and the hypersonic air-intake system using bleed [PDF]

open access: yesFME Transactions, 2023
The air intake should be operated at design conditions to achieve a high total pressure recovery and optimum mass capture ratio. The current research focuses on the numerical simulation of the supersonic and hypersonic air inlet and its starting and ...
Sinha Jayanta   +3 more
doaj   +1 more source

Numerical Analysis of Supersonic Film Cooling in Supersonic Flow in Hypersonic Inlet with Isolator

open access: yesAdvances in Mechanical Engineering, 2014
Supersonic film cooling is an efficient method to cool the engine with extremely high heat load. In order to study supersonic film cooling in a real advanced engine, a two-dimensional model of the hypersonic inlet in a scramjet engine with supersonic ...
Silong Zhang   +3 more
doaj   +1 more source

Magnetohydrodynamic Control of Hypersonic Separation Flows

open access: yesInternational Journal of Aerospace Engineering, 2021
Magnetohydrodynamic (MHD) control of hypersonic laminar separation flows is investigated in this paper. A series of numerical simulations over various geometry configurations, namely, a compression corner and a double wedge ramp hypersonic inlet, have ...
Shichao Luo   +3 more
doaj   +1 more source

Robust Adaptive Control of Hypersonic Vehicle Considering Inlet Unstart

open access: yesXibei Gongye Daxue Xuebao, 2020
A large-scale change in the aerodynamic characteristics of the aircraft caused by the inlet unstart of the air-breathing hypersonic vehicle causes a large oscillation of the response or even a control system instability.

doaj   +1 more source

Leading-to-trailing edge theoretical design of a generic scramjet

open access: yesAIP Advances, 2022
The aerospace vehicle flying at hypersonic speed, using an airbreathing propulsion system based on supersonic combustion (scramjet) technology, requires a highly integrated system without moving parts, making the propulsion system and vehicle shape ...
R. Carneiro   +5 more
doaj   +1 more source

Effects of Cowl Lip Angle on Starting Performances for a Mixed-Compression Two-Dimensional Axisymmetric Hypersonic Inlet

open access: yesApplied Sciences, 2022
The third quasi-uniform B-spline was adopted to design the cowl profiles with various cowl lip angles. Starting performances were simulated by the numerical method and the results showed that the starting processes for different cowls can be classified ...
Yunfan Zhou, Shangcheng Xu, Yi Wang
doaj   +1 more source

Numerical Investigations of the Effects of Sidewall Compression and Relaminarization in 3D Scramjet Inlet [PDF]

open access: yes, 2011
This paper presents the numerical simulations and performance analysis of a 3D scramjet inlet with focus on the effects of sidewall compression and relaminarization. A well-validated finite volume flow solver was used to simulate a scramjet inlet with a
Marek Behr   +9 more
core   +1 more source

Study on the influence of the adiabatic index on the characteristics of a plane hypersonic input device of external compression

open access: yesАвіаційно-космічна техніка та технологія
This study presents the main results of research on the assessment of the change in the influence of the adiabatic index on the total pressure conservation coefficient and the length of the direct compression jump in the supersonic part of the external ...
Artem Khorokhordin   +1 more
doaj   +1 more source

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