Results 31 to 40 of about 31,952 (223)

S.C. Advanced Training Aircraft IAR 99 (A) SOIM [PDF]

INCAS Bulletin, 2012
The use of subsonic single control aircraft and especially of double–control ones, instead of supersonic combat aircraft in the military pilot training programs in the operational units, has be-come a necessity due to the economic and financial world ...
Ioan STEFANESCU
doaj   +1 more source

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

Variable sweep aircraft wing Patent [PDF]

, 1963
Supersonic aircraft variable sweep wing planform for varying aspect ...
Polhamus, E. C.
core   +1 more source

Piezo‐Phototronic PVDF/HfO2/Nano‐Cu Heterostructured Thin Film for Flexible Self‐Powered Multimodal Sensing

Advanced Science, EarlyView.
Electrospinning a composite of PVDF, HfO2, and nano‐Cu transforms the discrete precursors into a continuous nanofiber mesh, forming a multi‐interface heterostructure with embedded nanoparticles. The presence of HfO2 and nano‐Cu at the fiber interfaces induces a highly aligned β‐phase, which enhances piezoelectric crystallinity and improves the material'
Jiawei Gu, Qiongle Peng, Xuanqi Zhong, Yi Zheng, Zhiqiang Ma, Xiaoxian Song, Ruihuan Zhang, Bao Liu, Yanhu Zhang, Zhengbao Yang   +9 more
wiley   +1 more source

Utilization of simple and double control subsonic aircraft for advanced combat training of the military pilots [PDF]

INCAS Bulletin, 2012
The use of subsonic single control aircraft and especially of double–control ones, instead of supersonic combat aircraft in the military pilot training programs in the operational units, has be-come a necessity due to the economic and financial world ...
Ioan STEFANESCU
doaj   +1 more source

Reversible Stress‐memory Phosphorescent Carbon Nanodots via Supramolecular Confinement Engineering for Aerospace Monitoring

Advanced Science, EarlyView.
A kind of new CNDs‐based materials with reversible mechano‐responsive phosphorescence emission through incorporating CNDs into the supramolecular rigid network is leveraged for aerospace applications, where the CND‐embedded film demonstrated memorable visualization of stress distribution in wings under sudden mechanical events (e.g., micro‐impacts ...
Yachuan Liang, Haochun Shao, Kaikai Liu, Qing Cao, Liying Jiang, Chongxin Shan, Leman Kuang, Hui Jing   +7 more
wiley   +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

Aircraft pollution – a futuristic view [PDF]

Atmospheric Chemistry and Physics, 2007
Impacts of NOx, H2O and aerosol emissions from a projected 2050 aircraft fleet are investigated using the Oslo CTM2, with emissions provided through the EU project SCENIC.
C. Marizy, G. Pitari, I. S. A. Isaksen, M. Gauss, O. A. Søvde   +4 more
doaj  

Supersonic aircraft Patent [PDF]

, 1967
Design of supersonic aircraft with novel fixed, swept wing ...
Carlson, H. W., Harris, R. V., Jr., Mclean, F. E., Middleton, W. D., Robins, A. W.   +4 more
core   +1 more source

The Future of Hydrogen‐Powered Aviation: Technologies, Challenges, and a Strategic Roadmap for Sustainable Decarbonization

Advanced Energy and Sustainability Research, EarlyView.
Hydrogen‐powered aviation offers a transformative pathway to zero‐emission flight by eliminating in‐flight CO2 emissions. Key considerations include propulsion systems (fuel cells and hydrogen combustion), cryogenic storage and insulation challenges, infrastructure and cost barriers, and supply‐chain constraints.
Mubasshira, Md Mahbubur Rahman, Karib Hassan Khan, Md Nizam Uddin, Dewan Hafiz Nabil   +4 more
wiley   +1 more source