Essays about: "Aviation master thesis"

Showing result 6 - 10 of 21 essays containing the words Aviation master thesis.

1. 6. Development of a CFD model and methodology for the internal flow simulation in a hydrogen-powered UAV

   University essay from KTH/Flygdynamik

   Author : Alessandro Porcarelli; [2021]
   Keywords : Fluid-dynamics; Internal Flow; Scalar Transport; UAV; Fuel Cells; OpenFOAM; Pointwise; Vätskedynamik; internt flöde; skalär transport; UAV; bränsleceller; OpenFOAM; Pointwise;

   Abstract : In the context of an aviation industry whose top priority is to face the sustainability challenge, the growing civil UAV branch is not an exception. Hydrogen-powered UAVs equipped with PEM (Polymer Electrolyte Membrane) fuel cells are more and more frequently identified as the most convincing and promising technology, particularly for long-endurance mission requirements. READ MORE

3. 7. Barriers of Traveling with Sustainable Transportation Vehicles : A comparative empirical analysis of leisure travelers’ behavior in Sweden, Germany, and Iran

   University essay from Umeå universitet/Företagsekonomi

   Author : Robin Julian Herbert; Fateme Sohrabi; [2020]
   Keywords : consumer behavior; intention-behavior gap; theory of planned behavior; leisure travel; sustainable transportation; international comparison; climate change; aviation industry; perceived effectiveness; social norms; perceived value; sustainable lifestyle; environmental knowledge; environmental concern; perceived price; travel distance;

   Abstract : This master thesis analyzes the influence of psychological barriers of consumers from Germany, Sweden, and Iran for using sustainable transportation modes. Climate change has started to change the way people travel. READ MORE

4. 8. Next generation expedition stove : A lead user approach to product development

   University essay from KTH/Maskinkonstruktion (Avd.)

   Author : Frida Rybo; Alfred Söder; [2020]
   Keywords : Outdoor equipment; lead user approach; Gioia methodology; expedition; stove; Friluftsutrustning; lead user; Gioia; expedition; friluftskök;

   Abstract : In 1996 Primus launched their expedition stove Multifuel, the first stove that could run on liquified petroleum gas (LPG), white gas, kerosene and aviation fuel. The multi-fuel stoves are part of the Primus expedition range of equipment. The line was designed and built to perform in extreme conditions. READ MORE

5. 9. Analytical tool for electromechanical actuators for primary and secondary flight control systems : Optimization of the initial design of the EMA using parametric sizing models

   University essay from Karlstads universitet/Fakulteten för hälsa, natur- och teknikvetenskap (from 2013)

   Author : Albin Linderstam; [2019]
   Keywords : EMA; electromechanical actuators; three-phase synchronous permanent magnet motor; power-offbrake; two-stage planetary gear; ball screw; Saab Avionics Systems;

   Abstract : The number of flights have increased by 80% between 1990 and 2014, and the demand for air travel continues to increase. Even though the aviation sector contributes to economical and social benefits, it still affects the climate change [1]. READ MORE

6. 10. Sustainability assessment of composites in aero-engine components

   University essay from Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

   Author : Pauline Léonard; [2019]
   Keywords : Composites; composite; sustainability; sustainable; aero-engine; aero-engines; jet engine; aerospace; aircraft; aviation; environment; environmental; economic; social; titanium; aluminum;

   Abstract : Environmental issues such as climate change are leading to important sustainability challenges in the aerospace industry. Composites are light materials that are extensively used to replace metals and reduce the aircraft weight, the goal being to decrease the fuel consumption in flight and limit the emission of greenhouse gases. READ MORE