Results 21 to 30 of about 83,066 (291)
Improving the Lift Characteristics of Supersonic Double 257 Wedge Airfoil at Low Speed Using Passive-Active Flow Controlling Methods [PDF]
Engineering and Technology Journal, 2015 The supersonic double wedge airfoil performs quite excellent in the supersonic speed regime but would lead to poor performance at subsonic speed regime due to sharp edges stall.
Mohammed I.Abutabikh +2 more
doaj +1 more source
Developing and applying Mach 4.5 nozzle in hypersonic wind tunnel
Xibei Gongye Daxue Xuebao, 2021 Mach 4.5 tests in a conventional trans-supersonic wind tunnel are often accompanied by the air liquefaction phenomenon, resulting in the low reliability of test data.
HUANG Ju +4 more
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Numerical Analysis and Experimental Techniques for Static Aeroelastic Divergence of Wing
气体物理, 2023 Aeroelastic divergence analysis of a stable wing structure was performed using a coupled aerodynamic/structural method and validated using wind tunnel tests.
Kai LIU, Kai-hua YUAN, Hai-tao TIAN
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Analysis and Verification of Aerodynamic Characteristics of Tianwen-1 Mars Parachute
Space: Science & Technology, 2022 The Mars parachute flight environment is supersonic, low-density, and low dynamic pressures. To ensure the operating performance and reliability, the design optimization and verification of the Tianwen-1 Mars parachute have been carried out.
Mingxing Huang, Wenqiang Wang, Jian Li
doaj +1 more source
Test Facility for High-Speed Probe Calibration [PDF]
EPJ Web of Conferences, 2019 A new test facility was built up as a part of a closed-loop transonic wind tunnel in VZLU´s High-speed Aerodynamics Department. The wind tunnel is driven by a twelve stage radial compressor and Mach and Reynolds numbers can be changed by the compressor ...
Jelínek Tomáš +3 more
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Xibei Gongye Daxue Xuebao, 2022 To enhance the health detection capability of the semi-flexible plate nozzle in a supersonic wind tunnel, a large-deflection deformation reconstruction algorithm for a semi-flexible plate nozzle based on the strain-moment relationship is developed.
YU Chengguo +3 more
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Numerical investigation of air flow in a supersonic wind tunnel
, 2017 In the framework of TsAGI’s supersonic wind tunnel modernization program aimed at improving flow quality and extending the range of test regimes it was required to design and numerically validate a new test section and a set of shaped nozzles: two flat ...
S. Drozdov, A. S. Rtishcheva
semanticscholar +1 more source
Hypersonic retro propulsion for reusable launch vehicles tested in the H2K wind tunnel
CEAS Space Journal, 2022 In the frame of the RETALT (RETro propulsion Assisted Landing Technologies) project, the aerodynamics of reusable launch vehicles reentering the atmosphere and descending and landing with the aid of retro propulsion are studied.
A. Marwege +3 more
semanticscholar +1 more source
Nozzle Geometry-Induced Vortices in Supersonic Wind Tunnels
, 2021 Streamwise-coherent structures were observed in schlieren images of a Mach 2.5 flow in an empty supersonic wind tunnel with a rectangular cross section.
K. Sabnis +3 more
semanticscholar +1 more source
Research progress in nozzle design for supersonic variable Mach number wind tunnel
Hangkong gongcheng jinzhanThe supersonic variable Mach number wind tunnel can operate at multiple Mach numbers during a single operation, which has unique advantages for studying supersonic maneuvering process and scramjet starting.
WANG Ao, DING Hao, TIAN Lifeng
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