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Saad Chahba, Guillaume Krebs, Cristina Morel, Rabia Sehab and Ahmad Akrad
The electric urban air mobility sector has gained significant attraction in public debates, particularly with the proliferation of announcements demonstrating new aerial vehicles and the infrastructure that goes with them. In this context, the developmen...
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Jason Cornelius, Sven Schmitz, Jose Palacios, Bernadine Juliano and Richard Heisler
This work details the development and validation of a methodology for high-resolution rotor models used in hybrid Blade Element Momentum Theory Unsteady Reynolds Averaged Navier?Stokes (BEMT-URANS) CFD. The methodology is shown to accurately predict sing...
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Denis Kotarski, Petar Piljek, Marko Pranjic and Josip Kasac
This paper presents a novel concept of a modular multirotor aerial robotic platform that can be used for specific profiles of heavy payload missions. A comprehensive mathematical model of the multirotor unmanned aerial vehicle (UAV) is presented, which i...
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Zhijie Liu, Gangao Fan, Siyan Ye, Zhixun Zhang, Han Wu, Bo Long, Huifen Li, Hui Cheng, Longmei Wu and Jiyu Li
The downwash airflow generated by the rotors can enhance the penetration of pesticide droplets, allowing them to penetrate deeper into the canopy and more comprehensively control pests. Downwash air will produce a ?wind vortex? in plant canopy, and the p...
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James Slingsby, Beth E. Scott, Louise Kregting, Jason McIlvenny, Jared Wilson and Benjamin J. Williamson
Tidal energy is a rapidly developing area of the marine renewable energy sector that requires converters to be placed within areas of fast current speeds to be commercially viable. Tidal environments are also utilised by marine fauna (marine mammals, sea...
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Ranieri Emanuele Nargi, Paolo Candeloro, Fabrizio De Gregorio, Giuseppe Ceglia and Tiziano Pagliaroli
An investigation of twin corotating rotors? interaction effects was performed by load (thrust and torque) measurements, flow field dynamics through Time-Resolved Particle Image Velocimetry, and acoustic emissions using a microphone array. Two rotors, eac...
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Ioannis K. Kapoulas, Antonios Hatziefremidis, A. K. Baldoukas, Evangelos S. Valamontes and J. C. Statharas
Various types of small drones constitute a modern threat for infrastructure and hardware, as well as for humans; thus, special-purpose radar has been developed in the last years in order to identify such drones. When studying the radar signatures, we obs...
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Yisak Debele, Ha-Young Shi, Assefinew Wondosen, Jin-Hee Kim and Beom-Soo Kang
The proposed approach can be utilized to support the design of novel actuator fault-tolerant multirotor configurations capable of performing desired maneuvers.
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Khaled Jarrah, Yazen Alali, Alyssa Lalko and Osamah Rawashdeh
Drones have evolved rapidly over the decades, but the limited flight time inhibits multirotor drones from performing long-duration tasks. Batteries that power drones are considered an inadequate power source due to their low energy density. As gasoline i...
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Xinlei Ni, Qiaozhi Yin, Xiaohui Wei, Peilin Zhong and Hong Nie
Rotorcraft Unmanned Aerial Vehicles (UAVs) often need to take off and land under complex working conditions. The rugged terrains may cause the UAV to tilt during takeoff and landing and even cause rollover and other accidents in severe cases. In this pap...
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