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  • 1
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    Euler solution of multiblade rotor flow (1988)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Description: A numerical method for solving the Euler equations for multiblade rotors has been developed and some preliminary results reported. The numerical scheme is a combination of several recent methods and algorithm improvements, adapted to the particular requirements of rotor-body interactions. A cylindrical basic grid has been used to study conventional multiblade helicopter rotors. Test calculations have been made for two- and six-blade rotors in hover and for a two-blade rotor in forward flight, under transonic tip conditions but without lift. The results show good agreement with experimental data.
    Keywords: AERODYNAMICS
    Type: Vertica (ISSN 0360-5450); 12; 3, 19; 303-313
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Numerical simulation of unsteady, viscous, high-angle-of-attack flows using a partially flux-split algorithm (1986)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Viscous separated flow surrounding a hemisphere-cylinder body at angles of attack ranging up to 19 deg in transonic flow has been computed using an implicit, approximately-factored, partially flux-split algorithm. The resulting flowfield structures, including the vortical flow on the leeward side of the body and the three-dimensional separation patterns, have been investigated. The computed results show good qualitative and quantitative agreement with experimental data. Furthermore, visualization of the flowfield patterns has yielded insight into the behavior of the three-dimensional separated flow.
    Keywords: AERODYNAMICS
    Type: AIAA PAPER 86-2179
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Euler solution of multiblade rotor flow (1988)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: A numerical method for solving the Euler equations for multiblade rotors has been developed and some preliminary results reported. The numerical scheme is a combination of several recent methods and algorithm improvements, adapted to the particular requirements of rotor-body interactions. A cylindrical basic grid has been used to study conventional multiblade helicopter rotors. Test calculations have been made for two- and six-blade rotors in hover and for a two-blade rotor in forward flight, under transonic tip conditions but without lift. The results show good agreement with experimental data.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: NASA-TM-100014 , A-87307 , NAS 1.15:100014 , USAAVSCOM-TR-87-A-15
    Format: application/pdf
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
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