Essays about: "Vehicle aerodynamics"

Showing result 21 - 25 of 28 essays containing the words Vehicle aerodynamics.

1. 21. Aerodynamic Wind Tunnel in Passenger Car Application

   University essay from KTH/Mekanik

   Author : Zhipeng Lyu; [2016]
   Keywords : Vehicle aerodynamics; 1 5th scale wind tunnel; unsteady pressure measurements; wind tunnel effects;

   Abstract : The thesis aims to provide an evaluation on the Volvo 1/5th scaled wind tunnel regarding its potentials and capabilities in aerodynamic study. The flow quality in the test section was evaluated. The experiments were performed included measurements of airspeed stability, tunnel-wall boundary layer profile and horizontal buoyancy. READ MORE

3. 22. Development of a Multidisciplinary Design Optimization Framework Applied on UAV Design

   University essay from Linköpings universitet/Maskinkonstruktion; Linköpings universitet/Tekniska fakulteten

   Author : Athanasios Papageorgiou; [2015]
   Keywords : MDO; UAV; Optimization; Multidisciplinary; CAD; Aerodynamics; Sensor analysis; RCS; Mission simulation;

   Abstract : The present thesis deals with the topic of Multidisciplinary Design Optimization (MDO) and in particular with the development of a framework for Unmanned Aerial Vehicle (UAV) design. The orientation of the research and the overall outlook of the case-study have been based on Saab’s proposal regarding the application of MDO in complex products and are in compliance with the guidelines of the Innovative Multidisciplinary Product Optimization (IMPOz) project initiative. READ MORE

4. 23. Design, Modeling and Control of an Octocopter

   University essay from KTH/Optimeringslära och systemteori

   Author : Oscar Oscarson; [2015]
   Keywords : ;

   Abstract : This master’s thesis project from the Department of Mathematics at KTH, Royal Institute of Technology, Stockholm, Sweden was carried out at Saab Dynamics, Linköping, Sweden. In this thesis, an octocopter was studied, which is a multirotor vehicle, a rotorcraft with more than two rotors. READ MORE

5. 24. A Sensitivity Study of Some Numerical and Geometrical Parameters Affecting Lift

   University essay from Linköpings universitet/Mekanisk värmeteori och strömningslära

   Author : Petter Ekman; [2014]
   Keywords : CFD; Mesh; Boundary layer; Prisms layer; Harpoon; Ansys Fluent; Vehicle aerodynamics;

   Abstract : Volvo Car Corporation (VCC) uses Computational Fluid Dynamics (CFD) and wind tunnel during the aerodynamic development of new vehicles. In the past VCC main focus has been on the drag force correlation to the wind tunnel measurements but in recent years improved methods for lift force correlations has been highly wanted. READ MORE

6. 25. Modeling, Estimation and Attitude Control of an Octorotor Using PID and L1 Adaptive Control Techniques

   University essay from Linköpings universitet/Reglerteknik; Linköpings universitet/Tekniska högskolan

   Author : Kristoffer Bergman; Jonatan Ekström; [2014]
   Keywords : Multirotor; Octorotor; VTOL; UAV; Modeling; Estimation; Attitude control; PID; L1 adaptive control;

   Abstract : A multirotor is a type of aerial vehicle that has attracted a lot of attention in recent years. Multirotors have found applications in a variety of different fields and they are used by scientists and researchers, commercial UAV companies and radio control enthusiasts alike. READ MORE