Sökning: "Discrete phase model DPM"

Hittade 4 uppsatser innehållade orden Discrete phase model DPM.

  1. 1. Design Investigation into Liquid Oxygen Vaporisation Systems : Atomisation and Heat Loads

    Master-uppsats, KTH/Energiteknik

    Författare :Borbala Bernus; [2020]
    Nyckelord :LOx; gasification; two-phase CFD simulation; rapid oxidation; rocket; cryogenic; hybrid; atomisation; LOx; förgasning; 2-fas CFD-simulering; snabb oxidation; raket; kryogen; hybrid; atomisering;

    Sammanfattning : Computational Fluid Dynamics (CFD) simulations are presented within this study for super-cooled liquid oxygen atomisation and gasification in a subcritical chamber operating at 1MPa. Relatively low cost simulation techniques have been used and their accuracy evaluated. LÄS MER

  2. 2. Numerical Modeling of Aluminum Sampling Process

    Master-uppsats, KTH/Materialvetenskap

    Författare :Ming Yang; [2019]
    Nyckelord :Numerical modeling; Aluminum sampling; Solidification process; Inclusion distribution; Ansys Fluent.;

    Sammanfattning : Castings of aluminum alloys are widely used in the automotive and aerospace industries since they play a significant role in improving the performance and fuel efficiency. In aluminum industries, sampling is the most common method to evaluate the inclusion levels which is a key indicator for the quality of the aluminum alloys. LÄS MER

  3. 3. The Effect of Electromagnetic Stirring and Flow Control Devices on Eight-Strand Tundish Performance

    Master-uppsats, KTH/Materialens processteknologi

    Författare :Bintang Bergas Cendekia; [2018]
    Nyckelord :multi-strand tundish; strand similarity; flow characteristic; EMS; flow control device;

    Sammanfattning : The strand similarity and inclusion removal capability are two critical parameters to measure the performance of multi-strand tundish in clean steel production. In this work, the effect of two flow regulators, i.e. LÄS MER

  4. 4. Numerical & physical modelling of fluid flow in a continuous casting mould : Flow dynamics studies for flexible operation of continuous casters

    Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik; Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

    Författare :Henrik Barestrand; Tobias Forslund; [2016]
    Nyckelord :numerical modelling; physical modelling; fluid flow; continuous casting; casting; mould flow; fluid dynamics; flexible operation of continuous casters; LES; DPM; large eddy simulation;

    Sammanfattning : The current demands on Swedish steel industry to produce low quantity batches of specialized products requires research on steel casting processes. There are several physical processes that need be taken into account for this problem to be viewed in full light such as thermal-processes, solidification and fluid dynamics. LÄS MER