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  • FLUID MECHANICS AND HEAT TRANSFER  (2,457)
  • 1985-1989  (2,457)
Collection
Keywords
Years
Year
  • 11
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    Three dimensional flows in multistage compressors (1987)
    In:  CASI
    Details
    Publication Date: 2006-06-13
    Description: Current multi-stage turbomachinery design/analysis methods are based on a time-averaged, axisymmetric representation of the flow field. The actual flow field is asymmetric and unsteady due to blade row interactions. The Reynolds averaged Navier-Stokes solvers are limited to single-stage machines for existing computers. Therefore, advanced multi-stage compressors will operate far off-design for portions of the flight regime. The objectives are to provide an experimentally validated average-passage calculation of multistage compressor blade row interactions and an experimentally validated time-accurate calculation of multi-stage compressor blade row interactions. Various aspects of this investigation are presented in viewgraph form.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: NASA. Ames Research Center, NASA CFD Validation Workshop; p 353-372
    Format: text
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    NASA TECHNICAL REPORTS
  • 12
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    Low speed aerodynamics CFD code validation (1987)
    In:  CASI
    Details
    Publication Date: 2006-06-13
    Description: The objective of the research project is to develop and validate analytical methods for low-speed aerodynamics. The experimental needs for computational methods are presented. All data and results are presented in viewgraph format.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: NASA. Ames Research Center, NASA CFD Validation Workshop; p 192-209
    Format: text
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    NASA TECHNICAL REPORTS
  • 13
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    Flow physics (1987)
    In:  CASI
    Details
    Publication Date: 2006-06-13
    Description: A discussion is presented on the coupling of computational analysis and experiment. It is believed that this coupling is critical in developing new aerodynamic insights. Additionally, new methods for analyzing and interpreting data are discussed. These methods need to be developed in small-scale research studies and then applied to large-scale technology programs. The specific objectives of this program are threefold: (1) provide definitive data sets for the assessment of numerical simulations to the Navier-Stokes equations; (2) incorporate advanced instrumentation to measure the spatial and temporal structure of fluid flows; and (3) develop true parallelism between computational and experimental research using the 'scientific workstation' concept. The discussion is presented in viewgraph form.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: NASA CFD Validation Workshop; p 78-97
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    NASA TECHNICAL REPORTS
  • 14
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    Verification of 3D viscous/turbulent codes for internal flows (1987)
    In:  CASI
    Details
    Publication Date: 2006-06-13
    Description: A computational fluid dynamics code is validated using data obtained through a nonintrusive laser Doppler velocimeter. A space marching technique and a parabolic marching technique are use to calculate the flow in a compressor using compressible and incompressible flow assumptions. In a viewgraph format, both computational fluid dynamics techniques and experimental data are compared to each other.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: NASA. Ames Research Center, NASA CFD Validation Workshop; p 649-691
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    NASA TECHNICAL REPORTS
  • 15
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    CFD validation experiments at UTRC (1987)
    In:  CASI
    Details
    Publication Date: 2006-06-13
    Description: Wind tunnel tests are performed in order to validate a computational fluid dynamics code. A large scale, two dimensional separation bubble is created on a flat plate, and low speed, turbulent flow is used. Extensive data sets are obtained with a nonintrusive laser velocimeter in addition to wall static pressure, total pressure, and hot-film measurements. All data and results are presented in a viewgraph format.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: NASA. Ames Research Center, NASA CFD Validation Workshop; p 616-648
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  • 16
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    General Dynamics' perspective on CFD code calibration/validation (1987)
    In:  CASI
    Details
    Publication Date: 2006-06-13
    Description: Information is given in viewgraph form on General Dynamics' perspective on computational fluid dynamics (CFD) code calibration and validation. Topics covered include a hypersonic blunted cone, a hypersonic wedge/cylinder, a wing vortex defined by Mach contours, pressure distributions, and 3D turbulent flow behind a 2D flat plate as measured in a water tunnel with a laser Doppler velocimeter.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: NASA. Ames Research Center, NASA CFD Validation Workshop; p 559-577
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    NASA TECHNICAL REPORTS
  • 17
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    Effects of transition on steady and unsteady aerodynamics (1987)
    In:  CASI
    Details
    Publication Date: 2006-06-13
    Description: The dynamic characteristics of an oscillating airfoil are presented through graphical data derived from wind tunnel tests. The parameters examined include: transition position, boundary layer effects, lift coefficient, moment coefficient, free stream velocity, and Reynolds number.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: NASA. Ames Research Center, NASA CFD Validation Workshop; p 593-615
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    NASA TECHNICAL REPORTS
  • 18
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    CFD validation experiments at McDonnell Aircraft Company (1987)
    In:  CASI
    Details
    Publication Date: 2006-06-13
    Description: Information is given in viewgraph form on computational fluid dynamics (CFD) validation experiments at McDonnell Aircraft Company. Topics covered include a high speed research model, a supersonic persistence fighter model, a generic fighter wing model, surface grids, force and moment predictions, surface pressure predictions, forebody models with 65 degree clipped delta wings, and the low aspect ratio wing/body experiment.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: NASA. Ames Research Center, NASA CFD Validation Workshop; p 537-558
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    NASA TECHNICAL REPORTS
  • 19
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    Current CFD efforts in projectile aerodynamics (1987)
    In:  CASI
    Details
    Publication Date: 2006-06-13
    Description: Information is given in viewgraph form on current computational fluid dynamics (CFD) efforts in projectile aerodynamics. Topics covered include spinning projectiles, fin stabilized projectiles, model geometry, the variation of base drag with base bleed, the variation of normal force with Mach number, and chordwise pressure distribution.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: NASA. Ames Research Center, NASA CFD Validation Workshop; p 433-461
    Format: text
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  • 20
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    Heat transfer in 3D flow regions generated by intersecting surfaces (1987)
    In:  CASI
    Details
    Publication Date: 2006-06-13
    Description: The objective is to validate code capabilities to model and predict the critical physics associated with heat transfer in highly 3-D flows. Various aspects of this study are presented in viewgraph form and include the following: LeRC 3-D viscous codes; the 3-D compressible flow tunnel; RVC3D laminar horseshoe vortex calculation; the 3-D heat transfer code validation experiment; and measurements in 3-D compressible flow tunnel.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: NASA. Ames Research Center, NASA CFD Validation Workshop; p 390-401
    Format: text
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    NASA TECHNICAL REPORTS
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