Essays about: "kokning"

Showing result 1 - 5 of 17 essays containing the word kokning.

  1. 1. Dimensioning study of EPR2 fuel pool cooling system

    University essay from KTH/Fysik

    Author : Thomas Rubler; [2023]
    Keywords : EPR2; PTR; spent fuel pool; heat exchange; EPR2; PTR; bassäng för utbränt kärnbränsle; värmeväxling.;

    Abstract : The PTR system allows the EPR2 fuel pool to be cooled. The evacuation of the residual power fromthe pool is ensured by several heat exchangers and pumps, which have to be dimensioned in order to meetdifferent requirements.In order to dimension them, the worst-case scenario of the components must first be determined. READ MORE

  3. 2. Two-phase CFD Modelling and Validation : SH204X Master Thesis Project Report

    University essay from KTH/Kärnenergiteknik

    Author : Richard Härlin; [2022]
    Keywords : Master Thesis; Simulation; Validation; DEBORA; CFD; OpenFOAM; Boiling; Two-phase Thermal-Hydraulics; Fluid Mechanics; Nuclear Power Safety; Examensarbete; Simulering; Validering; DEBORA; CFD; OpenFOAM; Kokning; Tvåfas Termohydraulik; Kärnkraftssäkerhet;

    Abstract : This project deals with two-phase CFD model validation, a subject which is currently under active research due to its complexity. The goal is to create a model that predicts data profiles to an acceptable degree for a wide array of flow conditions. The applications within the nuclear field would mainly be for safety analysis, e.g. READ MORE

  4. 3. Searching for signatures of compositeness of the Higgs boson

    University essay from Lunds universitet/Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation; Lunds universitet/Teoretisk partikelfysik - Geonomgår omorganisation

    Author : Mårten Bertenstam; [2021]
    Keywords : two-Higgs-doublet model; composite Higgs model; composite two-Higgs-doublet model; phase transition; cosmological phase transition; electroweak phase transition; gravitational waves; gravitational wave background; Physics and Astronomy;

    Abstract : In this master thesis we consider some phenomenological aspects of two-Higgs-doublet models, both elementary and composite ones. The emphasis is on calculating and understanding first order phase transitions in such models, constrained to be in agreement with existing collider data on the Higgs sector. READ MORE

  5. 4. Technical Lignin Characterization of Acacia crassicarpa and Eucalyptus Hybrids

    University essay from KTH/Träkemi och massateknologi

    Author : Lutfi Difi Rosta; [2021]
    Keywords : Lignin; Acacia crassicarpa; Eucalyptus Hybrids; kraft cooking; kraft dissolving pulp cooking; Lignin; Acacia crassicarpa; Eucalyptus Hybrids; kraftkokning; kraftupplösning av massa;

    Abstract : Lignin är en av de vanligaste naturliga råvarorna på jorden och finns mestadels i trä. Nuförtiden är valoriseringen av lignin en av processutvecklingarna för teknologier inom massa- och pappersindustrin. Denna utveckling syftar till att öka värdet av lignin. READ MORE

  6. 5. Bubble Dynamics on Artificial Nucleation Sites in Boiling Heat Transfer

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Yuqing Zhang; [2021]
    Keywords : ;

    Abstract : Pool boiling heat transfer is a complicated scientific problem due to the complex phase change process. In recent years, with the development of nuclear technology, microelectronics and space exploration, more attention has been paid to boiling which present great potentials for the thermal management in these applications because nucleate boiling has much better heat transfer performance than single-phase fluid, while bubbles, including their departure frequency and diameter and the interaction between bubbles plays an important role in determination of the heat transfer performance. READ MORE