Results 61 to 70 of about 2,480 (186)

An Open-Source Code for High-Speed Non-Equilibrium Gas–Solid Flows in OpenFOAM

Aerospace
This paper details the development and verification tests of an open-source code named hy2LPTFoam intended for solving high-speed non-equilibrium gas-particle flows in OpenFOAM.
Ziqu Cao, Xiaofeng Zhang, Yonghe Zhang
doaj   +1 more source

Research on Shockwave/Boundary Layer Interactions Induced by Double Compression Corners Under Hypersonic Quiet and Noise Inflow Conditions

Aerospace
The problem of shock wave/boundary layer interaction induced by compression corners widely exists in the external and internal flows of various supersonic/hypersonic aircraft.
Dongsheng Zhang, Jinping Li, Hesen Yang, Hua Liang   +3 more
doaj   +1 more source

A surrogate-based flow-field prediction and optimization strategy for hypersonic thrust nozzle

AIP Advances
The thrust nozzle is a component that directly generates thrust, which is of great importance in the design of a hypersonic propulsion system. In this study, a surrogate-based flow-field prediction and optimization strategy for hypersonic thrust nozzles ...
Helin Huang, Qiancheng Wang, Zeping Wu
doaj   +1 more source

Investigation of Stability and Control Shortcomings of the North American X-15

Aerospace
There is growing interest in the design of maneuvering high-speed aircraft to fly within or at the edge of the atmosphere. We identify and develop novel quasi-static vehicle screening methodologies, suitable for use during preliminary design, to better ...
William P. Lorenzo, Ramana V. Grandhi, Timothy T. Takahashi   +2 more
doaj   +1 more source

Potential Designs for Miniature Distributed Optical Fiber Smart Sensors Systems for Use in Aerospace Flight Vehicles

Designs
This article explores the feasibility of miniaturizing and packaging fiber Bragg grating (FBG)-based distributed optical fiber smart sensors (DOFSS) for future flight trials.
Graham Wild
doaj   +1 more source

Analysis of Morphing Modes of Hypersonic Morphing Aircraft and Multiobjective Trajectory Optimization

IEEE Access, 2019
Aiming at improving the range of wing-body combination aircraft at hypersonic flow conditions and exploring the application of morphing technology in hypersonic aircraft, morphing aircrafts with different morphing modes have been proposed.
Wuyu Peng, Tao Yang, Zhiwei Feng, Qingbin Zhang   +3 more
doaj   +1 more source

Hypersonic Flow Theory and Hypersonic Aerodynamics [PDF]

Journal of Applied Mechanics, 1960
Wallace D. Hayes, Ronald F. Probstein, Robert Wesley Truitt, Milton Van Dyke   +3 more
openaire   +1 more source

Effects of Expansion Corner on Linear and Non-Linear Three-Dimensional Boundary Layer Stability

Aerospace
The transition of hypersonic boundary layers remains a significant unresolved challenge in fluid mechanics, particularly regarding the influence of expansion corners on three-dimensional boundary layer instability.
Peisen Lu, Liqiang Ai, Youcheng Xi, Song Fu   +3 more
doaj   +1 more source

Investigation of the Inverse Magnus Effect on a Rotating Sphere in Hypersonic Rarefied Flow

Applied Sciences
Explorations involving long-endurance and maneuvering flights in the upper atmosphere, as well as research on atmospheric entries of space debris or asteroids, call for a full understanding of hypersonic rarefied flows.
Yazhong Jiang, Yuxing Ling, Shikang Zhang   +2 more
doaj   +1 more source

Mixing Characteristics of Single/Dual Injection Configurations

气体物理
To investigate the fuel injection and mixing issues in the scramjet combustor, three-dimensional multi-species compressible flow solver has been developed using high-resolution numerical schemes and SST k－ω turbulence model.
Liang ZHU, Ze XU, Shiyuan GAO, Jun SONG
doaj   +1 more source