Results 1 to 10 of about 68,121 (308)

Atomization of Water Jet in Crossflow via High-Speed Photography [PDF]

open access: yesScientific Reports
The interaction between crossflow and liquid jets is common in engineering applications, such as in gas–steam catapult power systems and supersonic ramjets.
Benshuai Fu   +4 more
doaj   +2 more sources

Changing patterns of the optimal composition and parameters of propulsions with ramjet ducts from the supersonic cruising flight speed

open access: yesАвіаційно-космічна техніка та технологія, 2022
There are two aircraft concepts for transoceanic flights at supersonic speed. The first is the aircraft with moderate supersonic cruising speed M = 1.7...2.2, and the second is the aircraft with cruising speed M ≥ 3.
Oleh Kislov, Mykhailo Shevchenko
doaj   +1 more source

Investigation of the Flow In Cold Condition at the Exit of a Supersonic Combustor Test Bench [PDF]

open access: yesJournal of Aerospace Technology and Management, 2020
For studies of hypersonic flows and supersonic combustion in ground test facilities, three devices can be used as ram accelerators, shock tunnels and supersonic combustor test benches.
Jefte da Silva Guimarães   +3 more
doaj   +3 more sources

On the Fundamental Possibility of a Supersonic Civil Aircraft to Comply with ICAO Noise Requirements Using Existing Technologies

open access: yesAerospace, 2022
Compliance with environmental protection regulations, in particular, community noise requirements, constitutes one of the major obstacles for designing future supersonic civil aircraft.
Victor F. Kopiev   +4 more
doaj   +1 more source

Noise from Aircraft at Supersonic Speeds [PDF]

open access: yesNature, 1953
THE acoustic phenomena accompanying the dive of an aircraft to attain supersonic speed appear to be adequately explained by the Huyghens wavelet construction. The case of a body moving at a uniform supersonic speed V in a straight path, in a uniform atmosphere, is well known.
C H E, WARREN, E W, BASTIN, P, ROTHWELL
  +5 more sources

Improving the Lift Characteristics of Supersonic Double 257 Wedge Airfoil at Low Speed Using Passive-Active Flow Controlling Methods [PDF]

open access: yesEngineering 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

Supersonic Combustion Modeling and Simulation on General Platforms

open access: yesAerospace, 2022
Supersonic combustion is an advanced technology for the next generation of aerospace vehicles. In the last two decades, numerical simulation has been widely used for the investigation on supersonic combustion.
Shizhuo Huang   +4 more
doaj   +1 more source

Aerodynamic Optimization Design of a Supersonic Compressor Rotor with High Pressure Ratio

open access: yesInternational Journal of Aerospace Engineering, 2021
Supersonic compressors have a high wheel speed and operational capability, which facilitate a high stage pressure ratio. However, the strong shock waves in the passage of a supersonic rotor and the interference between shock waves and boundary layers can
Cui Cui, Zhenggui Zhou, Endor Liu
doaj   +1 more source

Airborne Quantum Key Distribution Performance Analysis under Supersonic Boundary Layer

open access: yesEntropy, 2023
Airborne quantum key distribution (QKD) that can synergize with terrestrial networks and quantum satellite nodes is expected to provide flexible and relay links for the large-scale integrated communication network.
Huicun Yu   +7 more
doaj   +1 more source

Installed Fan Noise Simulation of a Supersonic Business Aircraft

open access: yesAerospace, 2023
Overcoming the problem of excessive engine noise at low altitudes is a formidable task on the way to developing a supersonic passenger aircraft. The focus of this paper is on the fan noise shielding during take-off, investigated as part of the DLR ...
Stan Proskurov   +6 more
doaj   +1 more source

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