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José D. Hoyos, Camilo Echavarría, Juan P. Alvarado, Gustavo Suárez, Juliana A. Niño and Jorge I. García
An aero-structural algorithm to optimize a flying wing in cruise conditions for preliminary design is developed using two-way interaction between the structure and aerodynamics. A particle swarm routine is employed to solve the multi-objective optimizati...
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Stavros Kapsalis, Chris Bliamis, Pavlos Kaparos, Pericles Panagiotou and Kyros Yakinthos
The current work investigates the effect of canard geometric characteristics on the performance of a lightweight flying wing Unmanned Aerial Vehicle (UAV), capable of both conventional and Vertical Take-Off and Landing (VTOL) flight. The canards are size...
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Xiao Xiao, Fangping Xie, Zhouqiao Zhao, Dawei Liu and Xiushan Wang
In view of the low level of mechanized harvesting of white radish in China and other developing countries and the current situation of ?no machine can be used? due to the expensive imported machines, a self-propelled white radish combine harvester was de...
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Vicente Faus-Matoses, Vicente Faus-Llácer, Celia Ruiz-Sánchez, Sofía Prats Gallego, Álvaro Zubizarreta-Macho, Beatriz Solano-Mendoza, Benjamín Martín Biedma and Ignacio Faus-Matoses
Background: The objective of the present study was to measure and compare how the length of CM Gold Wire and CM Blue Wire NiTi alloy endodontic rotary files impacts their resistance to cyclic fatigue. Methods: A total of 40 sterile endodontic rotary file...
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Yu-Been Lee and Jae-Sang Park
Hover performance analyses of coaxial co-rotating rotors (or stacked rotors), which can be used as lifting rotors for electric VTOL (eVTOL) aircraft, are conducted here. In this study, the rotorcraft comprehensive analysis code, CAMRAD II, is used with t...
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Soram Oh, Ju-Hyo Park, Hyun-Jung Kim, Hye-Jeong Kim, Eurok Shim, Jee-Yeon Woo, Hiran Perinpanayagam, Kyung-Kyu Choi and Seok Woo Chang
This study aimed to evaluate the effects of flexural stress on the torsional fracture resistance of NiTi glide path files. PathFile #16/02, RaCe #15/04, RaCe Evo #15/04, HyFlex EDM #15/03, TruNatomy Glider #17/02, and V Taper 2H #17/04 were examined by s...
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Marco Berci
Enhanced approximate expressions for the incipient indicial lift of thin wings in subsonic potential flow are presented in this study, featuring explicit analytical corrections for the unsteady downwash. Lifting-line and acoustic-wave theories form the b...
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Pedro F. Mayuet Ares, Lucía Rodríguez-Parada, Álvaro Gómez-Parra and Moises Batista Ponce
Metal matrix composite (MMC) materials are increasingly used in industrial sectors such as energy, structural, aerospace, and automotive. This is due to the improvement of properties by the addition of reinforcements. Thus, it is possible to obtain prope...
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Yevhenii Dobrynin,Viktor Volkov,Maksym Maksymov,Viktor Boltenkov
Pág. 6 - 15
Physical models of the formation of ballistic and muzzle waves generated during an artillery shot have been developed and investigated. A promising method for assessing the degree of wear of artillery barrels is the acoustic non-contact method. However, ...
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Saeed Jamei, Adi Maimun, Rasul Niazmand Bilandi, Nor Azwadi, Simone Mancini, Luigi Vitiello and Maria De Carlini
Flow structure is a crucial point for the conceptual design of Wing-in-Ground effect (WIG) crafts. In this study, pressure distributions around a compound wing, velocity and the turbulent intensity distribution in the wake area after trailing of the wing...
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