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Mathematical Problems in Engineering
Volume 2015, Article ID 478457, 9 pages
http://dx.doi.org/10.1155/2015/478457
Research Article

Computational Study of a Transverse Rotor Aircraft in Hover Using the Unsteady Vortex Lattice Method

1Department of Mechanical Engineering, University of New Mexico, Albuquerque, NM 87131, USA
2Department of Mechanical Engineering, Universidad de los Andes, Bogota 111711, Colombia
3Structures Department, Universidad Nacional de Córdoba, 5000 Córdoba, Argentina

Received 12 May 2015; Revised 25 August 2015; Accepted 27 August 2015

Academic Editor: Guangming Xie

Copyright © 2015 Juan D. Colmenares et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. P. Poisson-Quinton, “Introduction to V/STOL aircraft concepts and categories,” AGARDograph 126, Nord-Aviation, 1968. View at Google Scholar
  2. M. Kelly, K. Duraisamy, and R. Brown, “Predicting blade vortex interaction, airloads and acoustics using the vorticity transport model,” in Proceedings of the AHS Specialist's Conference on Aeromechanics, pp. 23–25, San Francisco, Calif, USA, January 2008.
  3. T. Renaud, A. Le Pape, and S. Péron, “Numerical analysis of hub and fuselage drag breakdown of a helicopter configuration,” CEAS Aeronautical Journal, vol. 4, no. 4, pp. 409–419, 2013. View at Publisher · View at Google Scholar · View at Scopus
  4. R. Steijl and G. N. Barakos, “CFD analysis of complete helicopter configurations—lessons learnt from the GOAHEAD project,” Aerospace Science and Technology, vol. 19, no. 1, pp. 58–71, 2012. View at Publisher · View at Google Scholar · View at Scopus
  5. D. M. O'Brien Jr. and M. J. Smith, “Analysis of rotor-fuselage interactions using various rotor models,” in Proceedings of the 43rd AIAA Aerospace Sciences Meeting and Exhibit, pp. 2223–2236, Reno, Nev, USA, January 2005. View at Scopus
  6. R. Gray, “On the motion of the helical vortex shed from a single-bladed hovering model helicopter rotor and its application to the calculation of the spanwise aerodynamic loading,” Tech. Rep., Defense Technical Information Center, 1955. View at Google Scholar
  7. R. Gray, An Aerodynamic Analysis of a Single-Bladed Rotor in Hovering and Low-Speed Forward Flight as Determined from Smoke Studies of the Vorticity Distribution in theWake, Princeton University, Princeton, NJ, USA, 1957.
  8. R. C. Strawn and M. J. Djomehri, “Computational modeling of hovering rotor and wake aerodynamics,” Journal of Aircraft, vol. 39, no. 5, pp. 786–793, 2002. View at Publisher · View at Google Scholar · View at Scopus
  9. J. G. Leishman, M. J. Bhagwat, and A. Bagai, “Free-vortex filament methods for the analysis of helicopter rotor wakes,” Journal of Aircraft, vol. 39, no. 5, pp. 759–775, 2002. View at Publisher · View at Google Scholar · View at Scopus
  10. B. P. Gupta and R. G. Loewy, “Theoretical analysis of the aerodynamic stability of multiple, interdigitated helical vortices,” AIAA Journal, vol. 12, no. 10, pp. 1381–1387, 1974. View at Publisher · View at Google Scholar · View at Scopus
  11. M. Bhagwat and J. Leishman, “On the aerodynamic stability of helicopter rotor wakes,” in Proceedings of the 56th Annual American Helicopter Society Forum, May 2000.
  12. M. Scully, Massachusetts Institute of Technology, and Aeroelasticity and Structures Research Laboratory, “A method of computing helicopter vortex wake distortion,” ASRL TR 138-1, Defense Technical Information Center, Fort Belvoir, Va, USA, 1967. View at Google Scholar
  13. W. O. Miller and D. B. Bliss, “Direct periodic solutions of rotor free wake calculations,” Journal of the American Helicopter Society, vol. 38, no. 2, pp. 53–60, 1993. View at Publisher · View at Google Scholar · View at Scopus
  14. S. Y. Wie, S. Lee, and D. J. Lee, “Potential panel and time-marching free-wake coupling analysis for helicopter rotor,” Journal of Aircraft, vol. 46, no. 3, pp. 1030–1041, 2009. View at Publisher · View at Google Scholar · View at Scopus
  15. T. R. Quackenbush, D. A. Wachspress, and D. B. Bliss, “New free-wake analysis of rotorcraft hover performance using influence coefficients,” Journal of Aircraft, vol. 26, no. 12, pp. 1090–1097, 1989. View at Publisher · View at Google Scholar · View at Scopus
  16. K. H. Chung, J. W. Kim, K. W. Ryu, K. T. Lee, and D. J. Lee, “Sound generation and radiation from rotor tip-vortex pairing phenomenon,” AIAA Journal, vol. 44, no. 6, pp. 1181–1187, 2006. View at Publisher · View at Google Scholar · View at Scopus
  17. A. Röttgermann, B. Uhl, and S. Wagner, “Compressible potential flow around a helicopter rotor in arbitrary motion,” Computational Mechanics, vol. 17, no. 5, pp. 318–325, 1996. View at Publisher · View at Google Scholar · View at Scopus
  18. L. N. Long and T. E. Fritz, “Object-oriented unsteady vortex lattice method for flapping flight,” Journal of Aircraft, vol. 41, no. 6, pp. 1275–1290, 2004. View at Publisher · View at Google Scholar · View at Scopus
  19. M. Roura, A. Cuerva, A. Sanz-Andrés, and A. Barrero-Gil, “A panel method free-wake code for aeroelastic rotor predictions,” Wind Energy, vol. 13, no. 4, pp. 357–371, 2010. View at Publisher · View at Google Scholar · View at Scopus
  20. J. Tan and H. Wang, “Highly efficient unsteady panel time-marching free wake for aerodynamics of rotorcraft,” Journal of Aircraft, vol. 51, no. 1, pp. 54–61, 2014. View at Publisher · View at Google Scholar · View at Scopus
  21. P. Konstadinopoulos, D. F. Thrasher, D. T. Mook, A. H. Nayfeh, and L. Watson, “A vortex-lattice method for general, unsteady aerodynamics,” Journal of Aircraft, vol. 22, no. 1, pp. 43–49, 1985. View at Publisher · View at Google Scholar · View at Scopus
  22. S. Preidikman, Numerical simulations of interactions among aerodynamics, structural dynamics, and control systems [Ph.D. thesis], Virginia Polytechnic Institute and State University, 1998.
  23. F. Caradonna and C. Tung, “Experimental and analytical studies of a model helicopter rotor in Hover,” Tech. Rep. NASA-TM-81232, NASA, 1981. View at Google Scholar
  24. J. Steinhoff and K. Ramachandran, “Free-wake analysis of compressible rotor flows,” AIAA Journal, vol. 28, no. 3, pp. 426–431, 1990. View at Publisher · View at Google Scholar · View at Scopus
  25. G. H. Vatistas, V. Kozel, and W. C. Mih, “A simpler model for concentrated vortices,” Experiments in Fluids, vol. 11, no. 1, pp. 73–76, 1991. View at Publisher · View at Google Scholar · View at Scopus
  26. J. G. Leishman, A. Baker, and A. Coyne, “Measurements of rotor tip vortices using threecomponent laser Doppler velocimetry,” Journal of the American Helicopter Society, vol. 41, no. 4, pp. 342–353, 1996. View at Publisher · View at Google Scholar · View at Scopus
  27. M. Bhagwat and J. Leishman, “Time-accurate free-vortex wake model for dynamic rotor response,” in Proceedings of the Specialist Meeting of the American Helicopter Society, Virginia Beach, Va, USA, May 2000.
  28. C. B. Allen, “Parallel simulation of lifting rotor wakes in forward flight,” International Journal of Numerical Analysis and Modeling, vol. 4, no. 1, pp. 1–15, 2007. View at Google Scholar · View at Zentralblatt MATH · View at MathSciNet · View at Scopus
  29. R. H. Miller, “Rotor hovering performance using the method of fast free wake analysis,” Journal of Aircraft, vol. 20, no. 3, pp. 257–261, 1983. View at Publisher · View at Google Scholar · View at Scopus