Propulsion Systems
Non-Keplerian orbits using low thrust, high ISP propulsion systems
... sail propulsion systems are considered, although in the latter case only about the Sun in the two-body case or about a body orbiting the Sun in the three-body ...
15
Condition-based maintenance of naval propulsion systems : data analysis with minimal feedback
... The maintenance of the several components of a Ship Propulsion Systems is an onerous activity, which need to be efficiently programmed by a ship- building company in order to save time and money. The ...
37
Condition-based maintenance of naval propulsion systems with supervised data analysis
... Ship Propulsion Systems cannot be easily modeled with a priori physical knowledge, consid- ering the large amount of variables influencing ...tomation systems, without requiring any a priori ...the ...
33
Use of electromagnetic rim driven propulsor for waterjet propulsion systems
... A concept investigation has been carried out into the possibility of using a tip driven electro-magnetic propulsor as part of a waterjet propulsion unit. The primary advantage is that there is no need to insert a ...
18
Integrated electrical and mechanical modelling of integrated-full-electric-propulsion systems
... Stage 3 Choice of gas Choice of network b turbine models and b oes lII parts Choice of models for drive, motor and propulsor MULTI-RATESIMULA TION WITHSTEPSIZES CONFIGURED FOR EACHSUBSYS[r] ...
5
Review of battery electric vehicle propulsion systems incorporating flywheel energy storage
... electric propulsion system concept for electric vehicles ...EV propulsion concepts were evaluated. The systems included basic systems with and without transmissions and with and without ...
33
Protection system considerations for DC distributed electrical propulsion systems
... However, TeDP represents a radical change from current state of the art aero-electrical systems. Firstly these electrical power systems are much more complex and require a much higher level of onboard ...
10
Numerical modeling and simulation of supersonic flows in propulsion systems by open-source solvers
... Two open-source solvers, Eilmer and hyFoam, are here considered for their performance in simulating high-speed flows in different flow conditions and geometric configurations typical of propulsive systems at ...
17
Adaptive V/f-based control for induction machines in distributed electric propulsion systems
... This paper has successfully demonstrated the concept of an adaptive V/f control at low power levels. However the authors continue to work on developing the next stage of this concept. This includes firstly analysis of ...
7
An effective framework for life cycle and cost assessment for marine vessels aiming to select optimal propulsion systems
... In this context, LCA and LCCA have been proven useful to estimate the holistic economic and environmental impacts of particular products and/or systems (ISO, 2008). To support such analyses, several commercial ...
59
Fundamental Architecture and Analysis of an Antimatter Ultra Intense Laser Derived Pulsed Space Propulsion System
... The advanced concept of integrating ultra-intense laser technology as an applied physics breakthrough into a practical aerospace application entails many unknowns and many design challenges. For example the limitations ...
9
History and recent advancements of electric propulsion and integrated electrical power systems for commercial & naval vessels
... electrical propulsion (USS Jupiter) was in ...direct propulsion prime movers of choice, electric propulsion was seldom used until in the 1980s, when the development of power electronics technologies ...
15
Momentum-Exchange Tether Propulsion System For Propellantless Orbital Manoeuvres: A Review
... Tether propulsion extract power from the near-Earth space environment, facilitating the transfer of energy and momentum between two given ...tether propulsion draws its power from space environment, it is ...
5
Low-thrust enabled highly non-Keplerian orbits in support of future Mars exploration
... impulse propulsion systems with low thrust is improving, opening up numerous possibilities for future missions applying continuous thrust to force a spacecraft out of a natural Keplerian orbit into a ...
38
Literature Study of Field Emission Electric Propulsion Microthruster
... Electric Propulsion systems. The augmented interest in Electric Propulsion (EP) systems results from a certain number of advantages this system offers with respect to other propulsion ...
5
OPERATIONAL AND TECHNOLOGICAL DIRECTIONS FOR UNMANNED AIRCRAFT SYSTEMS DEVELOPMENT
... and propulsion systems will be important for logistics, the most signifi cant aspect of UAS standardisation in the next twenty years will defi nitely be the implementation of unifi ed solutions in the fi eld of ...
18
Preprints (www.preprints.org) | NOT PEER-REVIEWED | Posted: 26 November 2018
... For propulsion, we assume advanced propulsion systems such as fusion pulse propulsion to reach a significant percentage of light speed, discuss shielding and navigation requirements for ...
26
Characterisation of the eddy dissipation model for the analysis of hydrogen-fuelled scramjets
... The manuscript discusses the application of the Eddy Dissipation Model EDM to describe the turbulent supersonic combustion process inside scramjet propulsion systems by means of CFD appr[r] ...
32
Exploration into the feasibility of underwater synthetic jet propulsion
... For animal tracking applications, creating a vehicle which does not scare off the intended targets is crucial. Obviously the impact of any lighting system or active sensor must be considered carefully. Additionally, the ...
195
Understanding the impact of failure modes of cables for the design of turbo-electric distributed propulsion electrical power systems.
... To prevent hotspots, many quench protection strategies spread the normal zone quickly to share the thermal burden equally throughout the volume of the material [9]. Excess current is dumped into shunt resistors. These ...
6