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Petar Piljek, Denis Kotarski and Matija Krznar
Due to their abilities, multirotor unmanned aerial vehicles (UAVs) can be used in various missions that require complex and precise movements, so they are a typical representative of aerial robots. Since this type of UAV is characterized by high energy c...
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Alexander Kramer, Philip Bangert and Klaus Schilling
The electric propulsion system NanoFEEP was integrated and tested in orbit on the UWE-4 satellite, which marks the first successful demonstration of an electric propulsion system on board a 1U CubeSat. In-orbit characterization measurements of the heatin...
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Manuel Martín Saravia, Luca Bernazzani, Alessio Ceccarini, Alfio Emanuele Vinci and Fabrizio Paganucci
Iodine is considered as a feasible alternative to xenon as a propellant for electric propulsion systems, thanks to its good propulsive performance, high availability, and high storage density. However, as iodine is stored in solid state at ambient temper...
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Cinzia Amici, Federico Ceresoli, Marco Pasetti, Matteo Saponi, Monica Tiboni and Simone Zanoni
The design of the propulsion system for Unmanned Aerial Vehicles (UAVs) demands an inclusive multidisciplinary approach from the earliest design phases, since every design choice strictly affects and is affected by the overall working conditions. This pa...
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Giovanni Fasulo, Luigi Federico, Adolfo Sollazzo, Luciano De Vivo and Roberto Citarella
A rocket?s turbulent jet radiates intense acoustic waves, which are an acoustic load for structural components like payload, launch structure, and rocket avionics, and impact communities near the launch site. Therefore, a careful characterization of the ...
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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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George-Cristian Potrivitu, Yufei Sun, Muhammad Wisnuh Aggriawan bin Rohaizat, Oleksii Cherkun, Luxiang Xu, Shiyong Huang and Shuyan Xu
The age of space electric propulsion arrived and found the space exploration endeavors at a paradigm shift in the context of new space. Mega-constellations of small satellites on low-Earth orbit (LEO) are proposed by many emerging commercial actors. Natu...
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Herman D. Haustein, Alon Gany and Ezra Elias
An innovative variant of a multiphase marine ramjet is investigated analytically and experimentally. Pressure liquefied gas (LG) is injected, boiling under superheat conditions in the water stream within the propulsion unit, and serving as an on-board bu...
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Daniele Ricci, Francesco Battista, Manrico Fragiacomo and Ainslie Duncan French
The cooling jackets of liquid rocket engines are composed of narrow passages surrounding the thrust chambers and ensure the reliable operation of the engine. Critical conditions may also be encountered, since the cooling jackets of cryogenic engines, suc...
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Benjamin St. Peter, Rainer A. Dressler, Yu-hui Chiu and Timothy Fedkiw
We report on the development of a software tool, the Electrospray Propulsion Engineering Toolkit (ESPET), that is currently being shared as a web application with the purpose to accelerate the development of electrospray thruster arrays for space propuls...
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Stefano Zaghi, Giulio Dubbioso, Riccardo Broglia, Roberto Muscari
Pág. 1562 - 1570
The high costs associated with the use of research oceanographic vessels and the maturity of the unmanned surface vehicles (USV) makes now possible to develop systems for monitoring coastal areas based on networks of independent USVs. This type of vessel...
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