Results 81 to 90 of about 2,387,085 (259)

Oxide‐Based Ceramic Matrix Composites for High‐Temperature Environments: A Review

open access: yesAdvanced Engineering Materials, Volume 27, Issue 7, April 2025.
This review examines oxide‐based ceramic matrix composites, focusing on their processing, composition, and mechanical properties for high‐temperature applications. Key topics include oxidation resistance, failure mechanisms, and corrosion behavior, with insights into their potential use in aerospace, nuclear power, and other high‐performance industries.
Karthikeyan Ramachandran   +2 more
wiley   +1 more source

Eulerian discrete kinetic framework in comoving reference frame for hypersonic flows

open access: yesJournal of Fluid Mechanics
Flow physics vary in different regimes across the full Mach number range, with our knowledge being particularly poor about the hypersonic regime. An Eulerian realization of the particles on demand method, a kinetic model formulated in the comoving ...
Y. Ji   +4 more
semanticscholar   +1 more source

Suboptimal Midcourse Guidance with Terminal-Angle Constraint for Hypersonic Target Interception

open access: yesInternational Journal of Aerospace Engineering, 2019
For the problem of hypersonic target interception, a novel midcourse guidance method with terminal-angle constraint is proposed. Referring to the air-breathing and the boost-gliding hypersonic targets, flight characteristics and difficulties of ...
Shizheng Wan   +3 more
doaj   +1 more source

Optimization and Analysis on Trajectory with Multiple Constraints for Hypersonic Air-vehicle

open access: yesMATEC Web of Conferences, 2015
The trajectory optimization technology is one of the key technologies for hypersonic air-vehicle. There are multiple constraints in the process of hypersonic flight, such as uncertainty of flight environment, thermal current, dynamic pressure and ...
Wei Changzhu   +3 more
doaj   +1 more source

Assessment of Solution of the Boundary Layer Equations and Approximate Relations for Aeroheating of Axisymmetric Reentry Vehicles [PDF]

open access: yesفصلنامه علوم و فناوری فضایی, 2013
When a solver is used for analyzing the hypersonic reentry vehicles, high speed and accuracy of the solver results are the basic parameters in the design process.
R. Kamali –Moghadam   +4 more
doaj  

NUMERICAL MODELING AND DYNAMIC SIMULATIONS OF NONLINEAR AEROTHERMOELASTIC OF A DOUBLE-WEDGE LIFTING SURFACE [PDF]

open access: yesJournal of Engineering Science and Technology, 2008
The design of the re-entry space vehicles and high-speed aircrafts requires special attention to the nonlinear thermoelastic and aerodynamic instabilities of their structural components.
ARIF A. EBRAHEEM AL-QASSAR
doaj  

Modeling and control of hypersonic vehicle dynamic under centroid shift

open access: yesAdvances in Mechanical Engineering, 2018
Due to the huge flight scale and the fast speed of hypersonic vehicle, the system must be of strong nonlinearity, coupling, and fast time variability, which give rise to the huge challenge for the design of controller.
Yizhen Meng, Bin Jiang, Ruiyun Qi
doaj   +1 more source

Experimental Study of Single Expansion Ramp Nozzle Performance Using Pitot Pressure and Static Pressure Measurements

open access: yesInternational Journal of Aerospace Engineering, 2019
In order to overcome the drag at hypersonic speed, hypersonic flight vehicles require a high level of integration between the airframe and the propulsion system.
Sergio Nicolas Pachón Laitón   +4 more
doaj   +1 more source

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