Essays about: "aircraft engine"

Showing result 1 - 5 of 74 essays containing the words aircraft engine.

1. 1. Conceptual design of the next generation gas turbines : Modelling of a hybrid electric mixed turbofan for a trainer aircraft

   University essay from Mälardalens universitet/Akademin för ekonomi, samhälle och teknik

   Author : Sophia Fisher; Michael Åkerström; [2023]
   Keywords : Hybrid propulsion; mixed turbofan; parallel configuration; performance;

   Abstract : To mitigate climate change, all sectors must contribute their part. Electric propulsion system is a promising approach to reduce emissions from the aviation industry. A major challenge is however the low energy density in today’s battery technology. READ MORE

3. 2. Jet Engine Recycle Model : A Case Study to Design a General Model to be Used on Jet Engines

   University essay from KTH/Skolan för industriell teknik och management (ITM)

   Author : Felicia Dyberg; [2023]
   Keywords : Jet Engine Recycling; Recycling of Aircraft; End-of-life Engines; End-of-life Aircraft; Sustainable Recycling; Innovative Recycling; Engine Materials; Circular Economy; 3D-printing.; Jetmotoråtervinning; Återvinning av Flygplan; Uttjänta Motorer; Uttjänta Flygplan; Hållbar Återvinning; Innovativ Återvinning; Motormaterial; Cirkulär Ekonomi; 3D-Utskrift.;

   Abstract : The focus on sustainability development together with the growing market of end-of-life jet engines is a reason for performing research on how to improve the recycling of jet engines. The reuse and recycling of the jet engines contributes to decreasing the need for new extracted material and processing and manufacturing new parts. READ MORE

4. 3. Taking Flight Towards a Greener Future: Steps Airlines Can Take to Reduce Emissions

   University essay from Lunds universitet/Trafikflyghögskolan

   Author : Rabin Kronold; Mikael Nyström; [2023]
   Keywords : Sustainability; Aviation; Management; Emissions; Carbon footprint; Ground and aircraft operation; Fuel consumption; Contrails; Aircraft-Induced Clouds; Greenhouse gas emissions; Sustainable Aviation Fuel; FLYL01; Technology and Engineering;

   Abstract : Background: For decades, aviation has been an important part of society and with its growth comes the increased environmental impact and the challenge to reduce this adversary effect and move towards sustainability. Objective: Find out how airlines can reduce their emissions and become more sustainable. READ MORE

5. 4. Effect of dwell (hold) time on high temperature fatigue crack growth of AM components

   University essay from KTH/Lättkonstruktioner, marina system, flyg- och rymdteknik, rörelsemekanik

   Author : Hemanth Venkatesan; [2023]
   Keywords : Dwell time; creep; fatigue; IN718; LPBF; hold time; sustained loading; Uppehållstid; krypning; utmattning; IN718; LPBF; hålltid; ihållande belastning;

   Abstract : GKN Aerospace AB, Sweden (GAS) is one of the leading companies taking up the charge in manufacturing components using Additive Manufacturing(ed) (AM) techniques in the aerospace sector. They are a hub of engineering and they are a supplier of engine and engine components to the world’s leading aero-engine manufacturers, and airframes to civil and military aircraft manufacturers. READ MORE

6. 5. Airspeed estimation of aircraft using two different models and nonlinear observers

   University essay from Linköpings universitet/Fordonssystem

   Author : Alexander Roser; Anton Thunberg; [2023]
   Keywords : sensor fusion; flight mechanics; Kalman filter; extended Kalman filter; unscented Kalman filter; pitot tube; airspeed estimation; simulation;

   Abstract : When operating an aircraft, inaccurate measurements can have devastating consequences. For example, when measuring airspeed using a pitot tube, icing effects and other faults can result in erroneous measurements. READ MORE