Search for dissertations about: "Mikael Holgerson"

Found 3 swedish dissertations containing the words Mikael Holgerson.

2. 1. Friction and temperature characteristics of wet clutch engagement

   Author : Mikael Holgerson; Luleå tekniska universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Maskinelement; Machine Elements;

   Abstract : För att erhålla mjukare växlingsförlopp och samtidigt få lång livslängd på våta kopplingar i automatväxellådor krävs förbättrad konstruktion. För att förbättra konstruktionen behövs mer kunskap om inkopplingsförloppet av våta kopplingar. En testrigg för att undersöka inkopplingsförloppet har byggts. READ MORE

4. 2. Wet clutch engagement characteristics

   Author : Mikael Holgerson; Luleå tekniska universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Maskinelement; Machine Elements;

   Abstract : A wet clutch test rig has been built to examine the engagement characteristics of wet clutch plates. The apparatus is specially designed to include a drive torque. Input and output characteristics of the apparatus are similar to those in automotive automatic transmissions. READ MORE

5. 3. Wear behavior of wet clutches

   Author : Niklas Lingesten; Mikael Holgerson; Luleå tekniska universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Maskinelement; Machine Elements;

   Abstract : Human civilization is largely based on the transformation of stored chemical energy in the form of fossil fuels into usable work through the use of the combustion engine. In recent years, the awareness of problems such as global warming due to emissions of greenhouse gases and the depletion of fossil fuel reserves has increased. READ MORE