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  • Aeronautics (General); Engineering (General)  (1)
  • Aircraft Design, Testing and Performance; Fluid Mechanics and Thermodynamics  (1)
  • COMPUTER PROGRAMMING AND SOFTWARE  (1)
  • Computer Programming and Software; Fluid Mechanics and Thermodynamics; Aircraft Design, Testing and Performance  (1)
  • 1
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    The 3D Euler solutions using automated Cartesian grid generation (1993)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: Viewgraphs on 3-dimensional Euler solutions using automated Cartesian grid generation are presented. Topics covered include: computational fluid dynamics (CFD) and the design cycle; Cartesian grid strategy; structured body fit; grid generation; prolate spheroid; and ONERA M6 wing.
    Keywords: COMPUTER PROGRAMMING AND SOFTWARE
    Type: NASA. Langley Research Center, Unstructured Grid Generation Techniques and Software; p 251-260
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 2
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    Validation of CFD Codes for Parawing Geometries in Subsonic to Supersonic Flows (2014)
    In:  CASI
    Details
    Publication Date: 2019-07-12
    Description: Computational Fluid Dynamic studies of a rigid parawing at Mach numbers from 0.8 to 4.65 were carried out using three established inviscid, viscous and independent panel method codes. Pressure distributions along four chordwise sections of the wing were compared to experimental wind tunnel data gathered from NASA technical reports. Results show good prediction of the overall trends and magnitudes of the pressure distributions for the inviscid and viscous solvers. Pressure results for the panel method code diverge from test data at large angles of attack due to shock interaction phenomena. Trends in the flow behavior and their effect on the integrated force and moments on this type of wing are examined in detail using the inviscid CFD code results.
    Keywords: Computer Programming and Software; Fluid Mechanics and Thermodynamics; Aircraft Design, Testing and Performance
    Type: NASA/TM-2014-218300 , ARC-E-DAA-TN14829
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    UAM Research at NASA (2019)
    In:  CASI
    Details
    Publication Date: 2019-08-08
    Description: Presentation for Oshkosh 2019 describing UAM research at NASA
    Keywords: Aeronautics (General); Engineering (General)
    Type: ARC-E-DAA-TN70709 , EAA Airventure 2019; Jul 22, 2019 - Jul 28, 2019; Oshkosh, WI; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    Estimating Flow-Through Balance Momentum Tares with CFD (2016)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: This paper describes the process used for estimating flow-through balance momentum tares. The interaction of jet engine exhausts on the BOEINGERA Hybrid Wing Body (HWB) was simulated in the NFAC 40x80 wind tunnel at NASA Ames using a pair of turbine powered simulators (TPS). High-pressure air was passed through a flow-through balance and manifold before being delivered to the TPS units. The force and moment tares that result from the internal shear and pressure distribution were estimated using CFD. Validation of the CFD simulations for these complex internal flows is a challenge, given limited experimental data due to the complications of the internal geometry. Two CFD validation efforts are documented, and comparisons with experimental data from the final model installation are provided.
    Keywords: Aircraft Design, Testing and Performance; Fluid Mechanics and Thermodynamics
    Type: ARC-E-DAA-TN28731 , AIAA Science and Technology Forum and Exposition (SciTech 2016); Jan 04, 2016 - Jan 08, 2016; San Diego, CA; United States
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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