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  • 1
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    Two simple turbulent flows (1965)
    American Geophysical Union
    Details
    Publication Date: 1965-05-01
    Print ISSN: 0148-0227
    Electronic ISSN: 2156-2202
    Topics: Geosciences
    Published by American Geophysical Union
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    PAPER CURRENT
  • 2
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    Mass entrainment of a circular jet in a cross flow (1969)
    In:  CASI
    Details
    Publication Date: 2006-04-20
    Description: Mass entrainment of round turbulent jet exhausting into cross flow
    Keywords: AERODYNAMICS
    Type: NASA, WASHINGTON ANALYSIS OF A JET IN A SUBSONIC CROSSWIND 1969; P 239-247
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Jet-wake characteristics and their induced aerodynamic effects on V/STOL aircraft in transition flight (1969)
    In:  CASI
    Details
    Publication Date: 2006-04-20
    Description: Jet-wake characteristics and aerodynamic effects on V/STOL aircraft
    Keywords: AIRCRAFT
    Type: LYSIS OF A JET IN A SUBSONIC CROSSWIND 1969; P 1-18
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    Progress towards a model to describe jet/aerodynamic-surface interference effects (1986)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: A first generation model is presented which relates the pressure distribution on an aerodynamic surface to properties of the jet plume. The characteristics of a jet in a cross flow are of primary importance in determining the pressure distribution on the aerodynamic surface and are assumed to be (1) a pair of contrasting vortices associated with a jet in a crossflow, (2) entrainment of crossflow fluid into the jet plume, and (3) a wake region near the aerodynamic surface and extending downstream from the jet orifice. The model is applied to the configuration of a round jet exhausting perpendicularly through a flat plate into a uniform crossflow for a range of jet-to-crossflow velocity ratios from three to ten. It is demonstrated that the model is capable of describing the measured pressure distribution on the flat plate with model parameters that are compatable with the incomplete description of the vortex pair that is available. The fore and moments on one plate are presented as functions of jet-to-crossflow velocity ratios.
    Keywords: AERODYNAMICS
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    Two simple turbulent flows. (1965)
    In:  Other Sources
    Details
    Publication Date: 2019-05-24
    Description: Plane vortex and radial flow Reynolds equation reduction to almost completely solvable forms, noting rotating gas planet formation problem
    Keywords: FLUID MECHANICS
    Format: text
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    NASA TECHNICAL REPORTS
  • 6
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    Velocity field near the jet orifice of a round jet in a crossflow (1979)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Experimentally determined velocities at selected locations near the jet orifice are presented and analyzed for a round jet in crossflow. Jet-to-crossflow velocity ratios of four and eight were studied experimentally for a round subsonic jet of air exhausting perpendicularly through a flat plate into a subsonic crosswind of the same temperature. Velocity measurements were made in cross sections to the jet plume located from one to four jet diameters from the orifice. Jet centerline and vortex properties are presented and utilized to extend the results of a previous study into the region close to the jet orifice.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: NASA-CR-152293
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 7
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    Induced pressure distribution of a jet in a crossflow (1975)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The turbulent flow of a subsonic round jet exhausting perpendicularly from a flat plate into a subsonic crosswind of the same temperature was investigated in the Langley V/STOL tunnel. The large test section of this tunnel made it possible to use a jet with the relatively large diameter of 10.16 cm. Pressures were measured on the flat plate at over 400 locations to provide a detailed description of the static pressure distribution. Results are presented in tabular and graphical forms for jet to crossflow velocity ratios ranging from 2 to 10, and comparisons are made with results of other experiments. The results indicate that the dominant flow parameter affecting the pressure distributions is the ratio of jet to crossflow velocities. The distribution of turbulence on the plate also appears to be a function of velocity ratio.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: NASA-TN-D-7916 , L-9894
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 8
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    Induced velocity field of a jet in a crossflow (1978)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: An experimental investigation of a subsonic round jet exhausting perpendicularly from a flat plate into a subsonic crosswind of the same temperature was conducted. Velocity and pressure measurements were made in planes perpendicular to the path of the jet for ratios of jet velocity to crossflow velocity ranging from 3 to 10. The results of these measurements are presented in tabular and graphical forms. A pair of diffuse contrarotating vortices is identified as a significant feature of the flow, and the characteristics of the vortices are discussed.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: NASA-TP-1087 , L-11624
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 9
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    Progress toward a model to describe jet/aerodynamic-surface interference effects (1984)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Previously announced in STAR as N83-34903
    Keywords: AERODYNAMICS
    Type: AIAA Journal (ISSN 0001-1452); 22; 752
    Format: text
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    NASA TECHNICAL REPORTS
  • 10
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    Velocity field of a round jet in a cross flow for various jet injection angles and velocity ratios (1979)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A subsonic round jet injected from a flat plate into a subsonic crosswind of the same temperature was investigated. Velocity and pressure measurements in planes perpendicular to the path of the jet were made for nominal jet injection angles of 45 deg, 60 deg, 75 deg, 90 deg, and 105 deg and for jet/cross flow velocity ratios of four and eight. The velocity measurements were obtained to infer the properties of the vortex pair associated with a jet in a cross flow. Jet centerline and vortex trajectories were determined and fit with an empirical equation that includes the effects of jet injection angle, jet core length, and jet/cross flow velocity ratios.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: NASA-TP-1506 , L-12775
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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