Results 21 to 30 of about 23,619 (166)

Aerodynamic Optimization Design of Supersonic Wing Based on Discrete Adjoint

Aerospace, 2023
Reducing fuel consumption and improving the economy by effectively reducing cruising drag is the main objective of the aerodynamic design of supersonic civil aircraft.
Hanyue Rao, Yayun Shi, Junqiang Bai, Yifu Chen, Tihao Yang, Junfu Li   +5 more
doaj   +1 more source

Research on Simulation and Performance Optimization of Mach 4 Civil Aircraft Propulsion Concept

International Journal of Aerospace Engineering, 2019
Supersonic civil aircraft is of a promising area in the development of future civil transport, and aircraft propulsion system is one of the key issues which determine the success of the aircraft.
Min Chen, Zihao Jia, Hailong Tang, Yi Xiao, Yonghang Yang, Feijia Yin   +5 more
doaj   +1 more source

Aerodynamic Analysis of a Supersonic Transport Aircraft at Landing Speed Conditions

Energies, 2021
Supersonic flight for commercial aviation is gaining a renewed interest, especially for business aviation, which demands the reduction of flight times for transcontinental routes.
Andrea Aprovitola, Pasquale Emanuele Di Nuzzo, Giuseppe Pezzella, Antonio Viviani   +3 more
doaj   +1 more source

Chemistry in plumes of high-flying aircraft with H2 combustion engines: a modelling study [PDF]

Annales Geophysicae, 1994
Recent discussions on high-speed civil transport (HSCT) systems have renewed the interest in the chemistry of supersonic-aircraft plumes. The engines of these aircraft emit large concentrations of radicals like O, H, OH, and NO.
G. Weibring, R. Zellner
doaj   +1 more source

Design of a low frequency, impulsive sound simulator in an existing house for sonic boom perceptual studies

Acta Acustica, 2023
The renewal of civil supersonic aviation is partly conditioned by the establishment of an international regulation on sonic boom level. Human perception of booms from future aircraft creating sound disturbances of lower level than past ones can currently
Cretagne Léo, Garcia A. Carlos, Leconte Roman, Ollivier François, Marchal Jacques, Marmel Frédéric, Fritz Claudia, Coulouvrat François   +7 more
doaj   +1 more source

Study on minimum flight speed airworthiness standard of supersonic civil aircraft

Hangkong gongcheng jinzhan
Supersonic civil aircraft has significant changes in aerodynamic layout and design compared to subsonic civil aircraft, which will bring new risks and make some provisions of the current regulations inapplicable.
YANG Jianzhong, ZHANG Chenyang, YANG Shibin   +2 more
doaj   +1 more source

Modern problems of aircraft aerodynamics

Advances in Aerodynamics, 2019
The article represents the discussion of several separate directions of investigations, which are performed by TsAGI flight vehicles aerodynamics specialists at the time.
Sergey L. Chernyshev, Sergey V. Lyapunov, Andrey V. Wolkov   +2 more
doaj   +1 more source

Integrated Flight Control System Characterization Approach for Civil High-Speed Vehicles in Conceptual Design

Aerospace, 2023
Recent studies have revealed that control surface deflection can cause a reduction in the aerodynamic efficiency of a hypersonic aircraft of up to 30%.
Davide Ferretto, Oscar Gori, Roberta Fusaro, Nicole Viola   +3 more
doaj   +1 more source

The jet fuels anti-wear properties indicator

Научный вестник МГТУ ГА, 2021
There are three main fuel brands for jet engines of civil aviation used: domestic TS-1 and RT and foreign, produced in relatively small volumes in Russia, JET A-1 (JET A-1).
K. I. Gryadunov, A. N. Timoshenko, K. E. Balishin, U. V. Ermolaeva   +3 more
doaj   +1 more source

Multidisciplinary Design Optimization for the Conceptual Design of Supersonic Civil Aircraft Based on Full-Carpet Sonic Boom/Aerodynamic Characteristics Employing Differential Evolution

Aerospace
Reducing the sonic boom intensity and increasing the cruise lift-to-drag ratio are pivotal technologies for the successful development of supersonic civil aircraft.
Yuyu Duan, Chonweng Wan, Runze Li, Haixin Chen   +3 more
doaj   +1 more source