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Showing result 1 - 5 of 7 essays matching the above criteria.

1. 1. 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

3. 2. A numerical comparison of the thermoacoustics for different equivalence ratios for n-dodecane using LES

   University essay from Lunds universitet/Institutionen för energivetenskaper

   Author : Björn Jarfors; [2023]
   Keywords : Computational Fluid Dynamics; Bluff-body stabilised flames; Large Eddy Simulation; Thermoacoustics; Acoustics; NEUMANN Project; Jet engines; Aero engines; Airplanes; Combustion; Numerics; Technology and Engineering;

   Abstract : Klimatförändringarna påverkar vår värld och det behövs ett mer hållbart samhälle. Flygindustrin är i behov av förändring, men flygmotorer är mycket komplexa och tar tid att utveckla. Termoakustiska instabiliteter har kraften att förstöra en motor, men också att minska miljöpåverkan. READ MORE

4. 3. Virtual characterization of composite materials for aero-engine components

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

   Author : Facundo Masari; [2020]
   Keywords : Composite; simulation; multiscale; modelling; UD; NCF; prepreg; aerospace; engine;

   Abstract : Since its beginnings, the aerospace industry has been interested in lowering the weight of aircraft. Moving from performance and economic drivers to environmental design parameters, the weight has continuously been a major focus for this industry. READ MORE

5. 4. Rig Performance Evaluation for Wind Powered Pure Car Carrier

   University essay from KTH/Marina system

   Author : Valérie Aurore Bouysses; [2020]
   Keywords : ;

   Abstract : Carrying around 80-90% of world volume of goods, the shipping industry has a considerable environmental impact. The International Maritime Organization (IMO) fixed a 50% greenhouse gases emission reduction target by 2050 with respect to 2008 levels. READ MORE

6. 5. 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