Sökning: "high angle of attack"
Visar resultat 1 - 5 av 16 uppsatser innehållade orden high angle of attack.
1. Wake analysis for NACA4412 in free-flight condition
Kandidat-uppsats, KTH/Skolan för teknikvetenskap (SCI)Sammanfattning : The purpose of this project is to evaluate the differences in the wake of a NACA 4412 airfoil in free-flight condition compared to wind tunnel and also investigate wall-interference. This was done using two sets of angles of attack, 5 degrees and 8 degrees. LÄS MER
2. Numerical Study on Aerodynamic Drag Reduction on a Rear Wing of a Formula Student Car
Kandidat-uppsats, KTH/Skolan för teknikvetenskap (SCI)Sammanfattning : The importance of aerodynamics in racing has increased substantially over the past decades. Racing vehicles utilize different aerodynamic devices, to redirect the airflow around the vehicle in a beneficial way. The increase in downforce using an aerodynamic wing package increases drag force. LÄS MER
3. Dimensionering och konstruktion av passiv mekanisk pitch för småskaliga horisontalaxlade vindkraftverk
Kandidat-uppsats, Högskolan i Halmstad/Akademin för ekonomi, teknik och naturvetenskapSammanfattning : För vindkraftverk i mindre skala används i huvudsak två sätt att avlasta vid höga vindhastigheter, stallreglering och girning ur vind. En tredje metod är att pitcha rotorbladet till en mindre attackvinkel. Då minskar belastningen på rotorbladet samtidigt som effektgenerering kan bibehållas. LÄS MER
4. Vertical landing flight envelope definition
Master-uppsats, Luleå tekniska universitet/RymdteknikSammanfattning : This paper will investigate the development of a landing footprint for a re-entry vehicle. Vehicles can re-enter the atmosphere with a range of orientations, velocities and flight path angles. LÄS MER
5. Design of a drone system for maritime search and rescue missions
Master-uppsats, KTH/FlygdynamikSammanfattning : The work summarized in this report aims to investigate how a drone airplane design can be optimized to create a safer and more efficient sea rescue by providing staff with an early picture, performing search missions and aiding communication through visual contact. A flying wing is in theory one of the most efficient designs for a fixed wing aircraft, at the same time as it also offers high structural efficiency for its given size. LÄS MER