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  • 1
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    Evaluation of a Navier-Stokes prediction of a jet in a crossflow (1992)
    In:  Other Sources
    Details
    Publication Date: 2011-08-24
    Keywords: AERODYNAMICS
    Type: Journal of Aircraft (ISSN 0021-8669); 29; 185-193
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    The determination of the topological structure of skin friction lines on a rectangular wing-body combination (1988)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: A short tutorial in the application of topological ideas to the intepretation of oil flow patterns is presented. Topological concepts such as critical points, phase portraits, topological stability, and indexing are discussed. These concepts are used in an ordered procedure to construct phase portraits of skin friction lines with oil flow patterns for a wing-body combination and two angles of attack. The relationship between the skin friction phase portrait and planar cuts of the velocity field is also discussed.
    Keywords: AERODYNAMICS
    Type: NASA-CR-4168 , NAS 1.26:4168
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    A numerical study of the contrarotating vortex pair associated with a jet in a crossflow (1989)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: An implicit two-factor partially flux split solver for the thin-layer Navier-Stokes equations is used to solve the aerodynamic/propulsive interaction between a subsonic jet exhausting perpendicularly through a flat plat plate into a crossflow. The algorithm is applied to flows with a range of jet to crossflow velocity ratios between 4 and 8. The computed velocity field is analyzed and comparisons are made with experimentally determined properties of the contrarotating vortex pair.
    Keywords: AERODYNAMICS
    Type: AIAA PAPER 89-0448
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    A jet in a crossflow (1988)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: In the transition from hover to wingborn flight, V/STOL aircraft rely on the direct thrust of lift jets to supplement wing generated lift. The lifting jets interact with the flow over the aerodynamic surface to produce a complex flow around the aircraft. The simplest configuration which retains the essential characteristics of the jet/aerodynamic-surface interaction problem is a subsonic round jet exhausting perpendicularly through a large flat plate into a uniform crossflow. This configuration was studied extensively, both by experiment and by analysis. As a result, a fairly complete experiment data base exists for comparison with the numerical calculations. Research publications and presentations in this area are included. Each citation is followed by an abstract of the work.
    Keywords: AERODYNAMICS
    Type: NASA-CR-182469 , NAS 1.26:182469
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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