Sökning: "Hybrid Propulsion"

Visar resultat 16 - 20 av 43 uppsatser innehållade orden Hybrid Propulsion.

1. 16. Engine air filter requirements : How different running conditions affect service life

   M1-uppsats, Karlstads universitet/Institutionen för ingenjörsvetenskap och fysik (from 2013)

   Författare :Petter Malmborg; [2019]
   Nyckelord :air filter; airfilter; product development;

   Sammanfattning : The internal combustion engine requires clean air in order to operate without problems the entire service life. The air filter acts as a barrier between the ambient air ridden with particulate matter, and the sensitive interior of the engine. LÄS MER

3. 17. Spacecraft & Hybrid Rocket Motor Flight Model Design for a Deep Space Mission : Scalable Hybrid Rocket Motor for Small Satellite Propulsion

   Master-uppsats, Luleå tekniska universitet/Rymdteknik

   Författare :Pau Molas Roca; [2019]
   Nyckelord :Scalable; Hybrid Rocket Motor; Simulation Algorithm; Small Satellites; Space exploration;

   Sammanfattning : In this thesis, the design and particularities of a unique and revolution- ary scalable propulsion system are presented. A spacecraft mechanical design is included together with a mission definition, aiming to provide a context for a technology demonstration in space of an Hybrid Rocket Motor (HRM) as satellite thruster. LÄS MER

4. 18. Conceptual design and development of thermal management system for hybrid electric aircraft engine. : A study to develop a physical model and investigate the use of Mobil Jet Oil II as coolant for aircraft electrical propulsion under different scenarios and time horizons.

   Master-uppsats, Mälardalens högskola/Framtidens energi

   Författare :Yash Khanna; [2019]
   Nyckelord :Hybrid electric aircraft system; Thermal management system; micro channel; Dynamic modelling; Mobil Jet Oil II;

   Sammanfattning : The ever-increasing levels of greenhouse gas emissions has led to the scientific community starting to explore the viability of electrical aircraft system, with the most prominent research and product development for hybrid electric system, which forms the transition phase from combustion to fully electric aircrafts. The primary objective of this thesis is to find solutions towards thermal management of the electrical components of a hybrid electric aircraft propulsion system, which generate a significant amount of heat while operating at heavy load conditions required to propel an aircraft. LÄS MER

5. 19. Performance Assessment of Electrical Motor for Electric Aircraft Propulsion Applications : Evaluation of the Permanent Magnet Motor and its Limitations in Aircraft Propulsion

   Uppsats för yrkesexamina på grundnivå, Mälardalens högskola/Akademin för ekonomi, samhälle och teknik

   Författare :Mathias Beckman; Alex Christy Gerald Volden; [2019]
   Nyckelord :Electric Aircraft; Permanent Magnet Electrical Motor; Losses; Hybrid-Electric Propulsion System; Environment; Global Warming; Aircraft Emission;

   Sammanfattning : This thesis project will evaluate which kind of electrical motor is best suited for aircraft propulsion and which parameters effect the efficiency. An economic analysis was conducted, comparing the fuel price (Jet A1) for a gas turbine and the electricity price for an electric motor of 1MW. LÄS MER

7. 20. Proposed Design and Feasibility Study of a Hybrid-Electric Propulsion System for a Ten Passenger Aircraft

   Master-uppsats, KTH/Skolan för industriell teknik och management (ITM)

   Författare :Fredrik Ollas; Gestur Ernir Viðarsson; [2019]
   Nyckelord :;

   Sammanfattning : This study aims to propose a hybridized version of a propulsion system for a 10-passenger aircraft and compare it to a conventional (reference) aircraft which uses a fossil fuelled turbofan for propulsion. The hybridized powertrain includes a fossil fuelled gas turbine, which is only used for producing electricity, coupled in a series configuration with a battery storage, that provide power to two electrically ducted fans. LÄS MER