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Showing result 1 - 5 of 9 essays matching the above criteria.

  1. 1. Multiscale & Multiphysics Modelling of Thrust Pad (Air) Bearings

    University essay from Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

    Author : Nipon Roy; [2023]
    Keywords : Finite element modelling; Air bearing; Multiphysics simulations; Air lubrication; surface texture; Topology optimization;

    Abstract : Without lubrication, machines are not imaginable to perform over a long period of time and complete their designated operations. With its omnipresent availability, the air is capable of functioning as a lubricant in long operations very efficiently. Moreover, thrust bearings support axial loads and transmit power at the same time under heavy loads. READ MORE

  3. 2. Extended Kalman Filter as Observer for a Hydrofoiling Watercraft : Modelling of a new hydrofoiling concept, based on the Spherical Inverted Pendulum Model

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Adam Thålin; [2022]
    Keywords : Extended Kalman Filter; Hydrofoiling; Spherical Inverted Pendulum; Sensor Fusion; Simulink; Bärplan; Extended Kalman Filter; Farkostteknik; Inverterad Pendel; Sensorfusion; Sex frihetsgrader; Simulink;

    Abstract : Hydrofoiling in general has the potential to revolutionize watercraft in the future since it allows smoother and faster transport on water with less energy consumption than traditional planning hulls. Even if the concept of hydrofoiling has been around since the last century, development in control theory and material science together with increased computing power has led to a growing interest for the technology. READ MORE

  4. 3. Fluid flow features in swirl injectors for ethanol fueled rocket : - Analysis using computational fluid dynamics

    University essay from KTH/Skolan för teknikvetenskap (SCI)

    Author : Emil Vejlens; Dylan De Jourday; [2022]
    Keywords : Fluid Mechanics; Rocket Science; Fuel injectors; Computational Fluid Dynamics; Swirling Flows; Fuel Mixing;

    Abstract : A swirl injector for a rocket engine being developed by \emph{AESIR} (Association of EngineeringStudents in Rocketry) was simulated with different geometric parameters. The swirl injector is usedto atomize the ethanol used as fuel and to create a spray that mixes well with the oxidizer withinthe combustion chamber. READ MORE

  5. 4. Numerical Solvers of the p-Stokes Equations with Applications in Ice-Sheet Dynamics

    University essay from KTH/Skolan för teknikvetenskap (SCI)

    Author : Sebastian Myrbäck; Jonatan Risberg; [2020]
    Keywords : ;

    Abstract : In glacier dynamics – i.e. the field of research concerning the movement of ice – intricate mathematical models are used to describe its motion. Ice can be considered as a highly viscous, non-Newtonian fluid, obeying a set of equations closely related to the well-known Navier-Stokes equations describing classical fluid mechanics. READ MORE

  6. 5. Computational fluid dynamics calculations of a spillway’s energy dissipation

    University essay from Uppsala universitet/Institutionen för fysik och astronomi

    Author : Robin Lindstens; [2020]
    Keywords : Computational Fluid mechanics; Hydropower; Spillway; Energy dissipation; ANSYS Fluent;

    Abstract : To make sure that a dam is safe it is important to have good knowledge about the energy dissipation in the spillway. Physical hydraulic model tests are reliable when investigating how the water flow behaves on its way through the spillway. READ MORE