Essays about: "trollhÄttan"

Showing result 11 - 15 of 47 essays containing the word trollhÄttan.

  1. 11. Thermal Loads in Space Turbines

    University essay from Luleå tekniska universitet/Rymdteknik

    Author : Emily Chen; [2019]
    Keywords : ;

    Abstract : Prediction of thermal loads within cavities in space turbine, has as been a challenging task  in aspects of achieving accurate and reasonable estimations that are crucial for design concepts. The difficulty lies within the turbulent flow and its thermal interaction with the structure inside such section. READ MORE

  3. 12. Sustainability of Additive Manufacturing : Electron Beam Melting of IN718

    University essay from Högskolan Väst/Avdelningen för Industriell ekonomi, Elektro- och Maskinteknik

    Author : Linda Alsing; Sandra Johansson Storm; [2019]
    Keywords : Additive manufacturing; aerospace industry;

    Abstract : The purpose of this thesis is to examine and describe the process of Additive Manufacturing (AM) and the energy use in the production of parts manufactured with the Electron Beam Melting (EBM) technology in particular IN718, which is a Nickel-based superalloy with specification according to UNS n07718 that is used in the aerospace industry. The objectives also include a brief overview of powder bed AM methods and a sustainability analysis. READ MORE

  4. 13. A study of calculation models for fatigue life prediction : A thesis accomplished together with GKN Aerospace

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

    Author : Rebecca Aikio Englund; [2018]
    Keywords : Fatigue life; calculation model; life consumption;

    Abstract : GKN Aerospace in Trollhättan don’t use the latest ANSYS version and need to upgrade their life analysis models. The aim with this thesis is to do a study of the new models and investigate the times required for the calculations. READ MORE

  5. 14. Ideology or psychology? : A comparison of the news media framing of the crimes of Anton Lundin Pettersson and Rakhmat Akilov

    University essay from Stockholms universitet/Sociologiska institutionen

    Author : Matilda Svensson Glaser; [2018]
    Keywords : Frame analysis; media discourse; terrorism; Rakhmat Akilov; Anton Lundin Pettersson;

    Abstract : In October 2015 and April 2017, Sweden was hit by two of the most notorious deadly attacks in modern history. The first was directed towards people of immigrant backgrounds at a school in Trollhättan, the second took place in Stockholm, where a truck drove straight through the crowded pedestrian street of Drottninggatan. READ MORE

  6. 15. Residual stresses in Ti-6Al-4V from low energy laser repair welding

    University essay from KTH/Maskinkonstruktion (Inst.)

    Author : Peter Ericson; [2018]
    Keywords : Micro laser welding; Low energy welding; Ti-6Al-4V; Ti64; Residual stress; Response Surface Methodology; Repair welding; Welding simulation; Mikrolasersvetsning; Lågenergetisk svetsning; Lågenergisvets; Ti-6Al-4V; Ti64; Restspänningar; Response Surface Methodology; Reparationssvets; Svetssimulering;

    Abstract : Millimeterstora och svårupptäckta defekter kan uppstå internt i stora och komplexa gjutgods av Ti-6Al-4V, ibland går dessa oupptäckta tills detaljen genomgått mekanisk bearbetning och en stor kostnad redan har gått in i den. Dessa defekter och andra industriella olyckshändelser leder till ett behov av additiva reparationsmetoder där den för tillfället rådande metoden är TIG-svetsning. READ MORE