Cerca risorse accademiche

The present work focuses on the study of low thrust propulsion systems. Cold gas, thermal and monopropellant systems with a blow down depressurisation mode have been taken in consideration in this study. Most of propella...

Sailing yachts can achieve operationally zero-emission propulsion by integrating solar photovoltaic (PV), wind and hydrokinetic generation with battery-electric drive systems. This study applies a systems engineering mod...

Abstract- Electric propulsion has a promising system to create new possibilities in this technological era as well as control the harmful gaseous emission. This paper put a vision on several parameters of electric propul...

The purpose of this article is to investigate utilization of common-rail turbocharged diesel aero-engines as primary propulsion powerplant for light-to-medium helicopters and airplanes. This article summarizes the result...

In recent decades, alternative propulsion systems have been investigated and have attracted great interest in the space community. Most of these alternative propulsion systems need propellants. One alternative propulsion...

Tesis Energía y Ambiente (maestría) - Instituto Tecnológico de Buenos Aires, Buenos Aires - Karlsruher Institut für Technologie, Karlsruhe, 2023 "The present thesis proposes a conceptual design of a tiltable propulsi...

The present thesis proposes a conceptual design of a tiltable propulsion system for the ALBACOPTER® 1.0, an eVTOL aircraft with a take-off mass of800 kg. Usually, the propulsion systems of eVTOLs are direct drives due t...

"Orbital maneuvering of microsatellite and nanosatellite requirements can be efficiently addressed by planar nozzles, in which realtime thrust control is gained actuating on the nozzle throat area. In the present work, t...

With ever increasing concern on energy diversification, energy efficiency and environmental protection, electric vehicles (EVs) including the pure EV (PEV), hybrid EV (HEV) and fuel-cell EV (FEV) are becoming attractive ...

"We report extensive numerical simulations of the flow of anisotropic self-propelled particles through a constriction. In particular, we explore the role of the particles’ desired orientation with respect to the moving...

Abstract The adoption of Electric Vehicles (EVs) has accelerated due to ongoing technological advancements, cost reductions, and a growing awareness of environmental issues. However, despite this progress, challenges per...

Excessive armature mass fraction in asynchronous induction coil thrusters critically constrains payload capacity and propulsion efficiency. This study addresses this limitation through two lightweight strategies: axial h...

"En este trabajo se diseña un sistema de propulsión orbital de gas caliente del tipo Resisto-Jet a a base de agua, para su implementación en Cube-yMicroSats de al menos 6U, como sistema de maniobra orbital. Se busca o...

Previous article Next article An Algorithm for Least-Squares Estimation of Nonlinear ParametersDonald W. MarquardtDonald W. Marquardthttps://doi.org/10.1137/0111030PDFPDF PLUSBibTexSections ToolsAdd to favoritesExport Ci...

Materie / parole chiave: aerospace engineering, propulsion systems, energy conversion, power systems; Social Sciences: Industries. Land use. Labor: Special industries and trades: Energy industries. Energy policy. Fuel trade; Technology: Engineer...

Materie / parole chiave: transportation, hybrid systems, electrical propulsion systems, electrical transportation; Technology: Engineering (General). Civil engineering (General): Transportation engineering; Technology: Electrical engineering. El...

Materie / parole chiave: power generation, turbomachinery, propulsion systems; Technology: Electrical engineering. Electronics. Nuclear engineering; Technology: Mechanical engineering and machinery; Technology: Motor vehicles. Aeronautics. Astro...

Materie / parole chiave: aeronautics, astronautics, flight vehicles, propulsion systems, fluid mechanics, flight mechanics; Technology: Motor vehicles. Aeronautics. Astronautics

This research paper focuses on the optimization of the propulsion system of a blended wing body design. Two different aspects of the design, the engine placement and count, and the engine itself, are investigated. The pr...

No commercial airplane in service today is able to fly half great-circle distances over the globe and achieve the non-stop or the global range to any antipodal location on Earth. A subsonic jetliner has the optimum cruis...