Essays about: "Johan Nygren"

Found 4 essays containing the words Johan Nygren.

  1. 1. Effect of Trace Elements on the Particle Size of Magnesium Silicide in Aluminium Extrusion : The Use of Thermo-Calc and DICTRA in order to Produce Aluminium more Efficiently

    University essay from KTH/Materialvetenskap

    Author : Gustav Boustedt; Johan Alexander Valentin Nygren; Gustav Strandgård; [2023]
    Keywords : Thermo-Calc; DICTRA; simulations; EN AW 6082; extrusion; particle precipitation; Mg2Si; sustainable; trace elements; aluminium;

    Abstract : This project is a feasibility study for Hydro Extrusion Sweden AB, a company that produces extruded aluminium profiles. The main purpose of this project was to analyse the difference of Mg2Si particle sizes in aluminium alloys when varying parameters, such as cooling rate and composition, in aluminium extrusion, particularly the EN AW 6082 alloy. READ MORE

  2. 2. Active Noise Control with Virtual Reference Signals in an FXLMS Algorithm

    University essay from KTH/MWL Marcus Wallenberg Laboratoriet

    Author : Johan Nygren; [2018]
    Keywords : road noise; active noise control; FXLMS; virtual reference signals; vagbuller; aktiv bullerbekampning; FXLMS; virtuella referenssignaler;

    Abstract : Noise pollution from road traffic is one of the greatest environmental issues in modern day, and the social cost for road traffic noise was estimated to over 16 billion SEK per year in Sweden in2014. Passive or active control methods can be used to reduce the noise. READ MORE

  3. 3. Strategies in Hive

    University essay from KTH/Skolan för datavetenskap och kommunikation (CSC)

    Author : ANDREAS BRYTTING; JOHAN NYGREN; [2013]
    Keywords : ;

    Abstract : Hive is a board game for two players in which the players uses several kinds of pieces represented by different bug species to encircle the opposing players Queen Bee. There are many strategies focusing on different points of the game. READ MORE

  4. 4. can computers beat the market?: testing pairs trading using a simulated trading strategy

    University essay from Handelshögskolan i Stockholm/Institutionen för finansiell ekonomi

    Author : Johan Nygren; Aaron Ibbotson; [2006]
    Keywords : pairs trading; market neutral; hedge; trading strategy;

    Abstract : The purpose of this study is to increase the understanding of quantitative trading and to contribute to the general knowledge relating to market efficiency. In current paper the authors develop and simulate a popular trading methodology known as pairs trading. READ MORE