Results 51 to 60 of about 21,305 (311)
Trajectory and spacecraft design for a pole-sitter mission [PDF]
, 2014 This paper provides a detailed mission analysis and systems design of a pole-sitter mission. It considers a spacecraft that is continuously above either the North or South Pole and, as such, can provide real-time, continuous and hemispherical coverage of
Heiligers, Jeannette +3 more
core +1 more source
Performance Analysis of a Hybrid Electric Ship by Real-Time Verification
Energies, 2022 International maritime transport organizations are proposing regulatory actions and strategies aimed at decarbonizing the sector to reduce its greenhouse gas (GHG) emissions, which currently constitute around 3% of the global total.
Juan P. Torreglosa +3 more
doaj +1 more source
A Modelica-based environment for the simulation of hybrid-electric propulsion systems [PDF]
Linköping Electronic Conference Proceedings, 2019 In this paper, a framework for the modeling of hybrid electric propulsion system architectures for aviation is presented in form of a novel Modelica library. The scope and requirements for an aviation power train modelling framework are specified. The presentation then follows the hierarchical modelling structure of the library.
Arzberger, Max Josef, Zimmer, Dirk
openaire +1 more source
Modeling and Investigation of a Turboprop Hybrid Electric Propulsion System
Aerospace, 2018 Hybrid electric propulsion in the aviation field is becoming an effective alternative propulsion technology with potential advantages, including fuel savings, lower pollution, and reduced noise emission.
Maria Cristina Cameretti +4 more
doaj +1 more source
Feasibility Study of Electrified Light-Sport Aircraft Powertrains
Aerospace, 2022 A theory-based aerodynamic model developed and applied to electrified powertrain configurations was intended to analyze the feasibility of implementing fully electric and serial hybrid electric propulsion in light-sport aircraft.
Madeline McQueen +4 more
doaj +1 more source
Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying
Advanced Engineering Materials, EarlyView.An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara +8 more
wiley +1 more source
IEEE AccessIn the maritime and shipping industries, there is a growing demand for environmentally friendly ships due to increasingly stringent environmental regulations. Hybrid ships, which alter propulsion methods to achieve eco-friendliness, are one such solution.
Soon Ho Hong, Dong Min Kim, Sun Je Kim
doaj +1 more source
Advanced Functional Materials, EarlyView.A compostable PGS soft surgical robot with interchangeable modules integrates transient Mo tactile and Si thermal sensors for dual feedback. The device preserves its function after clinical‐grade sterilization, demonstrates stable actuation and cardiac tissue grasping with real‐time in vivo pulsatile monitoring, and biodegrades post‐use with soil‐safe,
Minseong Chae +27 more
wiley +1 more source
HeliyonThe series-parallel hybrid system has attracted much attention from scholars for its effective integration of the power advantages and operating characteristics of different power sources, which is influenced by international emission regulations, energy-
Xiaojun Sun, Fengmei Xin, Kun Gao
doaj +1 more source
Energies, 2020 The development of modern technologies and their increasing availability, as well as the falling costs of highly efficient propulsion systems and power sources, have resulted in electric or hybrid propulsions systems’ growing popularity for use on ...
Wojciech Leśniewski +3 more
doaj +1 more source