Lift and wakes of flying snakes

Physics of Fluids

Volumn 26, Issue 3, 2014, Pages

  Krishnan, Anush ^a   Socha, John J ^b   Vlachos, Pavlos P ^c,d   Barba, L A ^a,e  

^a Boston University   (United States)

^b Virginia Polytechnic Institute and State University   (United States)

^c VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY   (United States)

^d Purdue University   (United States)

^e The George Washington University   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ANGLE OF ATTACK INDICATORS; ANTENNAS; BOUNDARY LAYERS; INCOMPRESSIBLE FLOW; REYNOLDS NUMBER; WAKES;

COMPUTATIONAL INVESTIGATION; CROSS-SECTIONAL SHAPE; FLUID INSTABILITY; LIFT ENHANCEMENT; PHYSICAL EXPERIMENTS; PHYSICAL MODEL; SEPARATED SHEAR LAYERS; TWO-DIMENSIONAL SIMULATIONS;

ANGLE OF ATTACK;

EID: 84905195452     PISSN: 10706631     EISSN: 10897666     Source Type: Journal    
DOI: 10.1063/1.4866444     Document Type: Article

References (34)

1. R. Dudley, G. Byrnes, S. P. Yanoviak, B. Borrell, R. M. Brown, and J. A. McGuire, "Gliding and the functional origins of flight: Biomechanical novelty or necessity?," Annu. Rev. Ecol. Evol. Syst. 38, 179-201 (2007).
2. U. M. Norberg, Vertebrate Flight (Springer-Verlag, 1990).
3. J. J. Socha, "Gliding flight in Chrysopelea: Turning a snake into a wing," Integr. Comp. Biol. 51(6), 969-982 (2011).
4. J. J. Socha, "Kinematics: Gliding flight in the paradise tree snake," Nature (London) 418(6898), 603-604 (2002).
5. J. J. Socha, K. Miklasz, F. Jafari, and P. P. Vlachos, "Non-equilibrium trajectory dynamics and the kinematics of gliding in a flying snake," Bioinspir. Biomim. 5(4), 045002 (2010).
6. J. J. Socha, T. O'Dempsey, and M. LaBarbera, "A 3-D kinematic analysis of gliding in a flying snake, Chrysopelea paradisi," J. Exp. Biol. 208(10), 1817-1833 (2005).
7. D. Holden, J. J. Socha, N. D. Cardwell, and P. P. Vlachos, "Aerodynamics of the flying snake Chrysopelea paradisi: How a bluff body cross-sectional shape contributes to gliding performance," J. Exp. Biol. 217(3), 382-94 (2014).
8. K. Miklasz, M. LaBarbera, X. Chen, and J. Socha, "Effects of body cross-sectional shape on flying snake aerodynamics," Exp. Mech. 50(9), 1335-1348 (2010).
9. W. Shyy, Aerodynamics of Low Reynolds Number Flyers (Cambridge University Press, 2008).
10. C. H. K. Williamson, "Vortex dynamics in the cylinder wake," Annu. Rev. Fluid Mech. 28, 477-539 (1996).
11. P. Kunz and I. Kroo, "Analysis and design of airfoils for use at ultra-low Reynolds numbers," in Fixed and Flapping Wing Aerodynamics for Micro Air Vehicle Applications, Progress in Astronautics and Aeronautics Vol. 195, edited by T. J. Mueller 35-60 (American Institute of Aeronautics and Astronautics, 2001).
12. S. Sunada, K. Yasuda, and K. Kawachi, "Comparison of wing characteristics at an ultralow Reynolds number," J. Aircraft 39(2), 331-338 (2002).
13. Md. M. Alam, Y. Zhou, H. X. Yang, H. Guo, and J. Mi, "The ultra-low Reynolds number airfoil wake," Exp. Fluids 48(1), 81-103 (2010).
14. A. Vargas, R. Mittal, and H. Dong, "A computational study of the aerodynamic performance of a dragonfly wing section in gliding flight," Bioinspir. Biomim. 3(2), 026004 (2008).
15. A. Krishnan, J. J. Socha, P. P. Vlachos, and L. A. Barba, "Body cross-section of the flying snake Chrysopelea paradisi," Data set and figure on figshare under CC-BY license, May 2013.
16. C. E. Willert and M. Gharib, "Digital particle image velocimetry," Exp. Fluids 10(4), 181-193 (1991).
17. J. W. Bahlman, S. M. Swartz, D. K. Riskin, and K. S. Breuer, "Glide performance and aerodynamics of non-equilibrium glides in northern flying squirrels (Glaucomys sabrinus)," J. R. Soc. Interface 10(80), 20120794 (2013).
18. K. L. Bishop, "Aerodynamic force generation, performance and control of body orientation during gliding in sugar gliders (Petaurus breviceps)," J. Exp. Biol. 210(15), 2593-2606 (2007).
19. K. Taira and T. Colonius, "The immersed boundary method: A projection approach," J. Comput. Phys. 225(2), 2118-2137 (2007).
20. Y. Morinishi, T. S. Lund, O. V. Vasilyev, and P. Moin, "Fully conservative higher order finite difference schemes for incompressible flow," J. Comput. Phys. 143(1), 90-124 (1998).
21. A. Krishnan and L. A. Barba, "Validation of the cuIBM code for Navier-Stokes equations with immersed boundary methods," Technical Report on figshare, CC-BY license, 6 July 2012.
22. M. S. Chong, A. E. Perry, and B. J. Cantwell, "A general classification of three-dimensional flow fields," Phys. Fluids 2, 765 (1990).
23. J. C. R. Hunt, A. A. Wray, and P.Moin, "Eddies, stream, and convergence zones in turbulent flows," Center for Turbulence Research Report No. CTR-S88 (Center for Turbulence Research, Stanford University, 1988), pp. 193-208.
24. J. Jeong and F. Hussain, "On the identification of a vortex," J. Fluid Mech. 285, 69-94 (1995).
25. J. Zhou, R. J. Adrian, S. Balachandar, and T. M. Kendall, "Mechanisms for generating coherent packets of hairpin vortices in channel flow," J. Fluid Mech. 387(1), 353-396 (1999).
26. See https://bitbucket.org/anushk/cuibm for information on how to download and install the cuIBM source code.
27. A. Krishnan, J. J. Socha, P. P. Vlachos, and L. A. Barba, "Lift and drag coefficient versus angle of attack for a flying snake cross-section," Data set and figure on figshare under CC-BY license, May 2013.
28. A. Krishnan and L. A. Barba, "Flying snake wake visualizations with cuIBM," Video on figshare, CC-BY license, February 2013.
29. A. Krishnan, J. J. Socha, P. P. Vlachos, and L. A. Barba, "Time-averaged surface pressure on a flying-snake cross-section," Data set and figure on figshare under CC-BY license, May 2013.
30. P. Koumoutsakos and A. Leonard, "High-resolution simulations of the flow around an impulsively started cylinder using vortex methods," J. Fluid Mech. 296, 1-38 (1995).
31. A. Prasad and C. H. K.Williamson, "The instability of the shear layer separating from a bluff body," J. FluidMech. 333(1), 375-402 (1997).
32. R. Mittal and S. Balachandar, "Effect of three-dimensionality on the lift and drag of nominally two-dimensional cylinders," Phys. Fluids 7(8), 1841-1865 (1995).
33. C. P. Ellington, C. van den Berg, A. P. Willmott, and A. L. R. Thomas, "Leading-edge vortices in insect flight," Nature (London) 384, 626-630 (1996).
34. P. Freymuth, "Propulsive vortical signature of plunging and pitching airfoils," AIAA J. 26(7), 881-883 (1988).