03.3 - Basic Fluid Dynamics and Flow Control
PASSIVE FLOW CONTROL DEVICES ON LOW-REYNOLDS DU89-134 AIRFOIL
C. Brunelli¹, M. Avirovic¹, B. Janssens¹, B.G. Marinus¹, M. Runacres, Vrije Universiteit Brussel, Belgium; G. May, Von Karman Institute for Fluid Dynamics, Belgium; A. Ecorce², A. Dalbera²; ¹Royal Military Academy, Belgium ;²National Polytechnic Institute of Toulouse , France
The usage of standard passive flow control on Low-Reynolds airfoil – for High-Altitude Pseudo-Satellites (HAPS) vehicles - to increase lift-to-drag ratio using a numeric and experimental approach shows that geometry and position of the device are crucial for increasing efficiency.