Essays about: "Strömningsmekanik"

Showing result 16 - 20 of 49 essays containing the word Strömningsmekanik.

  1. 16. Shape optimization of axial cooling fan via 3D CFD simulation and surrogate modeling

    University essay from KTH/Strömningsmekanik och Teknisk Akustik

    Author : Martin Granlöf; [2021]
    Keywords : Fan noise; shape optimization; mesh morphing; computational fluid dynamics; computational aeroacoustics; Efficient Global Optimization; Reynolds-averaged Navier-Stokes;

    Abstract : Due to legislative reasons and environmental concerns the automotive and transport sector are shifting their focus from traditional internal combustion engine (ICE) vehicles to development of battery electric vehicles (BEVs). This brings new challanges to design of cooling systems where axial fans are one of the key components. READ MORE

  3. 17. Numerical simulation of a rising bubble

    University essay from KTH/Strömningsmekanik och Teknisk Akustik

    Author : Nan Huang; [2021]
    Keywords : Multiphase flows; numerical simulations; Strömningsmekanik; flerfas strömningar;

    Abstract : This thesis evaluates two variants of Volumeof fluid method, namely Piecewise Linear Interface Construction (PLIC) and Multidimensional Tangent of Hyperbola for Interface Capturing (MTHINC) used in two-fluid simulations for interface tracking.Simulations of a single rising bubble in different conditions are performed aimed to assess the accuracy of the methods, and to check their convergence with grid size. READ MORE

  4. 18. Modelling development of ECMO return flow in bifurcating arteries

    University essay from KTH/Strömningsmekanik och Teknisk Akustik

    Author : Friederike Schäfer; [2021]
    Keywords : Fluid Mechanics; CFD; ECMO;

    Abstract : Veno-arterial extracorporeal membrane oxygenation (V-A ECMO) is a life saving therapy for critically ill patients experiencing a heart and lung failure. During this therapy, a common complication is limb ischemia in the leg where the return cannula reintroduces the oxygenated blood to the patient. READ MORE

  5. 19. Structural temperatures of wind turbine blades under icing conditions

    University essay from KTH/Strömningsmekanik och Teknisk Akustik

    Author : Elise Brouillette; [2021]
    Keywords : Aerodynamics; Anti-icing Systems; Glass transition temperature; Heat transfer; Wind turbines;

    Abstract : As clean energy demand is on the rise and the wind energy sector in growth, locations with the highest wind potential are becoming of higher interest for wind farm projects, but they are located in colder regions. In cold climates, ice accumulation on wind turbine blades is a serious issue, both in terms of safety and performance. READ MORE

  6. 20. Luge Aerodynamics: Drag Reduction through Posture Changes

    University essay from KTH/Strömningsmekanik och Teknisk Akustik

    Author : Malte Sloma; [2021]
    Keywords : ;

    Abstract : Luge is an Olympic discipline that challenges athletes to race down an ice track at high velocities. By means of computer simulations, this study exam-ines how posture changes of the athlete affect the aerodynamics to decrease drag. READ MORE