Sökning: "wind tunnel experiments"

Visar resultat 1 - 5 av 27 uppsatser innehållade orden wind tunnel experiments.

1. 1. Improving Water Droplet Prediction for Vehicle Exterior Water Management: Insights from Experimental and Simulation Studies

   Master-uppsats, KTH/Väg- och spårfordon samt konceptuell fordonsdesign

   Författare :Anton Labbé; Mahim Ahsan; [2023]
   Nyckelord :Computational Fluid Dynamics; Volume of Fluid; Kistler Correlation; Water Droplet; Wind Tunnel Measurement; Exterior Water Management.; Beräkningsfluidmekanik; Volume of Fluid; Kistler-korrelation; Vattendroppar; Vind Tunnel Experiment; Exteriört Vattenhantering.;

   Sammanfattning : This thesis focuses on the study of water transportation on vehicle surfaces, which is crucial for ensuring the unobstructed operation of sensors and cameras in autonomous vehicles. The research aims to develop and validate experimental and simulation methods to enhance the understanding of water droplet behaviour and to create accurate models for computational fluid dynamics (CFD) simulations. LÄS MER

3. 2. Development of a CFD Boundary Condition to Simulate a Perforated Surface

   Uppsats för yrkesexamina på avancerad nivå, Umeå universitet/Institutionen för fysik

   Författare :Medet Kiflemariam; [2021]
   Nyckelord :Computational Fluid Dynamics; CFD; Boundary Condition; Bleed; Aerospace Engineering; Aeronautical Engineering; Physics;

   Sammanfattning : In aircraft with jet propulsion engine intakes at supersonic speed, strong pressure waves referred to as shockwaves occur, which may interact with any present boundary layers along the intake surface. The adverse pressure gradients associated with Shock Wave-Boundary Layer Interaction (SWBLI) may cause boundary layer flow separation, which can result in disturbances of the flow that can be harmful to the device or decrease engine performance. LÄS MER

4. 3. Predicting the Performance of a Cleaning Nozzle : A Cost-Effective CFD Modeling Approach Compared Against Experimental Data

   Master-uppsats, Linköpings universitet/Mekanisk värmeteori och strömningslära

   Författare :Gustav Rydholm; Joseph Hainsworth; [2021]
   Nyckelord :CFD; VOF; LPT; EWF;

   Sammanfattning : With the increasing reliance and use of sensors to improve the capabilities of modern road vehicles, ensuring their functionality during different weather conditions has become an important design consideration. The sensing equipment is utilized for a multitude of tasks, ranging from aiding the user with parking to avoiding potentially dangerous situations. LÄS MER

5. 4. Performance analysis of a small-scalewind turbine at variable pitch and withpitch unbalance

   Master-uppsats, KTH/Strömningsmekanik och Teknisk Akustik

   Författare :Francesco Mazzeo; [2021]
   Nyckelord :Wind energy; wind turbine; pitch angle; pitch unbalance; Blade Element Momentum BEM theory; Computational Fluid Dynamics CFD ; wind tunnel experiments; oscillations;

   Sammanfattning : When it comes to design a wind turbine rotor, several parameters have to be taken into account. The present work focuses on the inclination of the blades with respect to the rotor plane, namely the pich angle. LÄS MER

7. 5. Investigation of open-Source CFD software on shipyards - Analysis of combustion outlets on large yachts using openFoam®

   H-uppsats,

   Författare :Carl Jascha Mordhorst; [2019-07-03]
   Nyckelord :Transport; Farkostteknik; Transport; Vehicle Engineering;

   Sammanfattning : Abstract Modern engineering requires detailed knowledge of forces, flow directions and velocities, when designing the vehicles of the future. In the ship building industry this is traditionally done in towing tank and wind tunnel experiments or by the long experience of skilled engineers. LÄS MER