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http://dx.doi.org/10.5139/JKSAS.2003.31.5.001

Detailed Flow Analysis of Helicopter Shrouded Tail Rotor in Hover Using an Unstructured Mesh Flow Solver  

Lee, Hui Dong (한국과학기술원)
Gwon, O Jun (한국과학기술원)
Gang, Hui Jeong (한국항공우주연구원)
Ju, Jin (한국항공우주연구원)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.31, no.5, 2003 , pp. 1-9 More about this Journal
Abstract
Detailed flow of a shrouded tail rotor in hover is studied by using a compressible inviscid flow solver on unstructured meshes. The numerical method is based on a cell-centered finite-volume discretization and an implicit Gauss-Seidel time integration. Numerical simulation is made for a single blade attached to the center body and guide by the duct by imposing a periodic boundary condition between adjacent rotor blades. The results show that the performance of an isolated rotor without shroud compares well with experiment. In case of a shrouded rotor, correction of the collective pitch angle is made such that the overall performance matches with experiment to account for the uncertainties of the experimental model configuration. Details of the flow field compare well with the experiment confirming the validity of the present method.
Keywords
Shrouded Tail Rotor; Tail Fan; Computational Aerodynamics; Unstructured Meshes;
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  • Reference
1 Strawn, R. C, and Djomehri, M. J., "Computational Medeling of Hovering Rotor and Wake Aerodynamics," Proceedings of the American Helicopter Society 57th Annual Forum, May 9-11, 2001.
2 Leishman, J. G., "Principles of Helicopter Aerodynamics," Cambridge University Press, 2000, pp. 229-231.
3 강희정, 권오준, "비정렬 적응 격자를 이용한 로터 정지비행 공력해석," 한국항공우주학회지, 제28권, 제8호, 2000, pp. 1-7
4 Hertel, J., Kramer, E., and Wagner, S., "Complete Euler Solution for a Rotor in Hover and a Propella in Forward Flight," Paper I.4.2, Sixteenth European Rotorcraft Forum, Glasgrow, Scotland, UK, Sept. 1990.
5 Roe, P. L., "Approximate Riemann Solvers, Parameter Vectors and Difference Scheme," Journal of Computational Physics, Vol. 43, 1981, pp. 357-372   DOI   ScienceOn
6 Moille, R., and D'ambra, F., "The Fenestron Shrouded Trail Rotor Concept for Helicopter," Proceedings of 38th American Helicopter Society Annual Forum, May 1986.
7 Kramer, E., Hertel, J., and Wagner, S., "Computation of Subsonic and Transonic Helicopter Rotor Flow Using Euler Equations," Vertica, Vol. 12, No.3, 1988, pp. 279-291.
8 Xu, G. H., and Wang, S. C., "Effects of the Shroud on Aerodynamic Performance in Helicopter Shrouded Tail Rotor Aerospace Technology," Journal of Aircraft Engineering and Aerospace Technology, Vol. 73, No. 6, 2001, pp. 568-572.   DOI   ScienceOn
9 Mouille, R., "The Fenestron, Shrouded Tail Rotor of the SA. 341 Gazelle," Journal of the American Helicopter Society, Vol.15, No. 4, 1970, pp. 31-37.   DOI
10 Boris, N. B., and Serguei, V. S., "Fan-in-Fin Performance at Hover Computational Method," Proceedings of 26th European Rotorcraft Forum, 2000.
11 Rajagopalan, R. G., and Keys, C. N., "Aerodynamic Analysis of the RAH-66 $FANTAIL^{TM}$ Using CFD," Journal of the American Helicopter Society, Vol. 42, No. 4, 1997, 310-320.   DOI
12 Srinivasan, G. R., Raghava, V., and Duque, E. P. N., "Flowfield Analysis of Modern Helicopter Rotors in Hover by Navier-Stokes Method," Journal of the American Helicopter Society, Vol. 38, No. 3, 1993, pp. 3-13.   DOI
13 Vuillet, A., and Morelli, F., "New Aerodynamic Design of the Fenestron for Improved Performance," Proceedings of 12th European Rotorcraft Forum, 1986.
14 Bandoh, S., Fundamoto, M., and Akiyama, T., "The Ducted Tail Rotor System of the New Observation Helicopter(XOH-1.," Heli Japan, 98-12-7, 1998.