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Abdulghani Mohamed, Matthew Marino, Simon Watkins, Justin Jaworski and Anya Jones
There is a growing desire to operate Uncrewed Air Vehicles (UAVs) in urban environments for parcel delivery, and passenger-carrying air taxis for Advanced Air Mobility (AAM). The turbulent flows and gusts around buildings and other urban infrastructure c...
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Niccolò Menegoni, Matteo Maino, Giovanni Toscani, Lucia Isabella Mordeglia, Gianfranco Valle and Cesare Perotti
The investigation of deformations in Quaternary deposits holds primary importance in understanding recent geological history and natural hazards in highly populated areas, such as the Po Plain. While civil excavations and trenches possess the potential t...
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Zhaohui Yao, Yiwen Qi, Wen Bao and Tianhong Zhang
A high-precision variable-thrust control method based on real-time measurement of pintle displacement and closed-loop feedback control is proposed to solve the technical problems of deep throttling variable-thrust regulation and control of pintle liquid ...
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Sohaib Khan, Muhammad Umer Sohail, Ihtzaz Qamar, Muzna Tariq and Raees Fida Swati
Thrust regulation is applied to maintain the performance of the liquid propellant rocket engine. The thrust level of a rocket engine can be readily controlled by adjusting the number of propellants introduced into the combustion chamber. In this study, a...
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Zongyu Zhang, Qinghua Zeng, Yijun Zou, Hongfu Wang and Meng Tang
Variable flow ducted rockets (VFDRs) are promising candidates for propulsion systems in hypersonic vehicles because of their inherent advantages, such as high specific impulse, low weight, and high speed. The control of gas flow is essential for optimal ...
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Jérôme Messineo and Toru Shimada
Despite the fact that hybrid propulsion offers significant benefits, it still suffers from some limitations such as the natural oxidizer to fuel ratio shift which induces variations of the engines? performances while operating. To overcome that issue, Ja...
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