Acta Mechanica Sinica

, Volume 34, Issue 2, pp 225–237 | Cite as

Measurement of the flow structures in the wakes of different types of parachute canopies

Research Paper
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Abstract

We measured flow structures with stereoscopic particle image velocimetry (stereo-PIV) in the turbulent wakes of three parachute canopies, which had the same surface area, but different geometries. The tested parachute canopies included ribbon canopy, 8-branches canopy, and cross canopy. The obtained results showed that the geometry of the parachute canopies had significant influences on the flow structures in the wakes of these three canopies. In addition, the variation of Reynolds number did not lead to a dramatic change in the distributions of velocity, vorticity, Reynolds stress, and turbulent kinetic energy.

Keywords

Parachute canopies Wake structures Particle image velocimetry 

Notes

Acknowledgements

This work was supported by the Science and Technology Commission of Shanghai Municipality (Grant 15ZR1442700) and the Fundamental Research Funds for the Central Universities.

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Copyright information

© The Chinese Society of Theoretical and Applied Mechanics; Institute of Mechanics, Chinese Academy of Sciences and Springer-Verlag GmbH Germany 2017

Authors and Affiliations

  1. 1.School of Aerospace Engineering and Applied MechanicsTongji UniversityShanghaiChina
  2. 2.Shanghai Key Lab of Vehicle Aerodynamics and Vehicle Thermal Management SystemsShanghaiChina

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