Results 11 to 20 of about 28,421 (204)
Large eddy simulation of supersonic flow in ducts with complex cross-sections
Theoretical and Applied Mechanics Letters, 2023 Large Eddy Simulation (LES) has been employed for the investigation of supersonic flow characteristics in five ducts with varying cross-sectional geometries.
Huifeng Chen +5 more
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Research on Hypersonic Vehicle Interception Conditions from a Small Velocity Ratio Perspective [PDF]
Hangkong bingqi, 2023 To address the problem of hypersonic vehicle interception, taking the air-breathing hypersonic vehicle as the target of interception, this paper employs the concept of engagement geometry to theoretically provide the necessary conditions for the ...
Liu Shuangxi, Yan Binbin, Zhang Tong, Zhang Xu, Yan Jie
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Hypersonic Phononic Crystals [PDF]
Physical Review Letters, 2005 In this Letter we propose the use of hypersonic phononic crystals to control the emission and propagation of high frequency phonons. We report the fabrication of high quality, single crystalline hypersonic crystals using interference lithography and show that direct measurement of their phononic band structure is possible with Brillouin light ...
Gorishnyy, T. +4 more
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Materials design for hypersonics. [PDF]
Nat CommunAbstractHypersonic vehicles must withstand extreme conditions during flights that exceed five times the speed of sound. These systems have the potential to facilitate rapid access to space, bolster defense capabilities, and create a new paradigm for transcontinental earth-to-earth travel.
Peters AB +8 more
europepmc +5 more sources
Hypersonic Modes in Nanophononic Semiconductors [PDF]
Physical Review Letters, 2008 Frequency gaps and negative group velocities of hypersonic phonon modes in periodically arranged composite semiconductors are presented. Trends and criteria for phononic gaps are discussed using a variety of atomic-level theoretical approaches. From our calculations, the possibility of achieving semiconductor-based one-dimensional phononic structures ...
Hepplestone, SP, Srivastava, GP
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Variant wing scheme and aerodynamic characteristics analysis of hypersonic vehicle
Hangkong gongcheng jinzhan, 2023 The variant aircraft can change its shape to adapt to different flight states and improve aerodynamic properties of aircraft. Aiming at a new hypersonic vehicle concept machine, the applicability of the wing variable sweep design on this hypersonic ...
ZHANG Xin +5 more
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Hypersonic interference heating in the vicinity of surface protuberances [PDF]
, 2010 The understanding of the behaviour of the flow around surface protuberances in hypersonic vehicles is developed and an engineering approach to predict the location and magnitude of the highest heat transfer rates in their vicinity is presented.
Garry, Kevin P. +4 more
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Research on Aerothermoelasticity for Hypersonic Inlet with Complex Internal Flow
气体物理, 2023 Hypersonic inlet is very easy to induce aerothermoelastic problems under the aerodynamic load and aero-thermal action of complex flow. Deeply understanding the aerothermoelasticity mechanism of complex internal flow is of great significance for the ...
Kun YE, Yi-fan ZHANG, Zheng-yin YE
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Shanghai Jiaotong Daxue xuebao, 2021 In view of the issue that surface catalysis has a significant influence on aerodynamic heating of hypersonic vehicle heatshield and is difficult to accurately predict, a four-step surface heterogeneous catalytic model including physisorption ...
LI Qin, YANG Xiaofeng, DONG Wei, DU Yanxia
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Transitional and turbulent heat transfer of swept cylinder attachment line in hypersonic flow [PDF]
, 2006 A wide range of experimental results carried out in low enthalpy facilities is used to sustain simple correlations predicting heat transfer rates on an attachment line in hypersonic flow.
Cooper, Richard K. +3 more
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