TY - GEN
T1 - Experimental analyses on the flow field characteristics of the AVT-183 diamond wing configuration
AU - Hövelmann, Andreas
AU - Grawundery, Moritz
AU - Buzicazy, Andrei
AU - Breitsamter, Christian
N1 - Publisher Copyright:
© 2015 by A. Hövelmann, M. Grawunder, A. Buzica and C. Breitsamter.
PY - 2015
Y1 - 2015
N2 - Comprehensive experimental flow field investigations are presented on a 53° leadingedge sweep diamond wing configuration with rounded leading-edge contour as part of the NATO Science and Technology Organization (STO) task group AVT-183 (Applied Vehicle Technology panel). The results obtained in a low speed wind tunnel facility depict the mean and turbulent flow field characteristics that are mainly dominated by a smooth surface separation with subsequent leading-edge vortex formation. Both Stereo Particle Image Velocimetry and Hot-Wire Anemometry are applied to detect the emerging flow phenomena in several chord-wise sections including near-wall data. Details of the leading-edge vortex onset and progression are analyzed and discussed. Over almost the entire length of its existence, the leading-edge vortex is characterized by retarded axial flow, showing thus vortex bursting tendencies. The corresponding turbulent fluctuations show maxima close to the evolution of the leading-edge vortex and decrease towards the trailing-edge. The obtained flow phenomena are thereby significant for the AVT-183 diamond wing configuration with its smooth surface separation due to the rounded leading-edge contour. Based on the derived flow field characteristics, a high-quality data set suitable for general CFD validation is provided.
AB - Comprehensive experimental flow field investigations are presented on a 53° leadingedge sweep diamond wing configuration with rounded leading-edge contour as part of the NATO Science and Technology Organization (STO) task group AVT-183 (Applied Vehicle Technology panel). The results obtained in a low speed wind tunnel facility depict the mean and turbulent flow field characteristics that are mainly dominated by a smooth surface separation with subsequent leading-edge vortex formation. Both Stereo Particle Image Velocimetry and Hot-Wire Anemometry are applied to detect the emerging flow phenomena in several chord-wise sections including near-wall data. Details of the leading-edge vortex onset and progression are analyzed and discussed. Over almost the entire length of its existence, the leading-edge vortex is characterized by retarded axial flow, showing thus vortex bursting tendencies. The corresponding turbulent fluctuations show maxima close to the evolution of the leading-edge vortex and decrease towards the trailing-edge. The obtained flow phenomena are thereby significant for the AVT-183 diamond wing configuration with its smooth surface separation due to the rounded leading-edge contour. Based on the derived flow field characteristics, a high-quality data set suitable for general CFD validation is provided.
UR - http://www.scopus.com/inward/record.url?scp=84980417480&partnerID=8YFLogxK
U2 - 10.2514/6.2015-0064
DO - 10.2514/6.2015-0064
M3 - Conference contribution
AN - SCOPUS:84980417480
SN - 9781624103438
T3 - 53rd AIAA Aerospace Sciences Meeting
BT - 53rd AIAA Aerospace Sciences Meeting
PB - American Institute of Aeronautics and Astronautics Inc, AIAA
T2 - 53rd AIAA Aerospace Sciences Meeting, 2015
Y2 - 5 January 2015 through 9 January 2015
ER -