All Stories

  1. Wavenumber-frequency cross-spectra of correlated wall pressure and velocity components in varying external pressure gradients
  2. Empirically mapping the sensitivity of filtered Rayleigh scattering for multi-parameter measurements in high temperature flows
  3. Field-Relevant High Stokes Number Study of Particle Impacts in High-Speed Compressor via Engine Test
  4. Assessing the Education to Engineering Sustainable Propulsion Undergraduate Education and Research Program
  5. Characterizing Superstructures in Rough-Wall Turbulence
  6. Particle Separation Efficiency Experiments in Single and Arrayed Vortex Tube Separator (VTS) Configurations
  7. Measurement and analysis of sub-convective wall pressure fluctuations in turbulent boundary layer flows
  8. Filtered Rayleigh scattering for multi-property aerodynamic measurements in confined flows
  9. Importance of depolarized scattering contributions in filtered Rayleigh scattering measurement models
  10. On the development of computation-enabled reduced-order models for the rebound of irregular particles
  11. Near-wall flow measurements using frequency-modulating filtered Rayleigh scattering (FM-FRS)
  12. Frequency-Scanning Filtered Rayleigh Scattering Measurements for the Mixtures of C3 and n-C4 Hydrocarbon Fuels with Nitrogen at Elevated Pressures
  13. On the Use of Filtered Rayleigh Scattering in High Temperature Engine Exhaust Conditions
  14. Non-equilibrium turbulent boundary layers in high reynolds number flow at incompressible conditions: effects of streamline curvature and three dimensionality
  15. Computations for a Subsonic Wind Tunnel and Discrepancies In As-Built vs. As-Designed CFD Simulations
  16. Summary of Data from the VT-NASA Blind Validation CFD Challenge Case
  17. Experimental Results for the VT-NASA CFD Turbulence Model Blind Validation Challenge
  18. Evaluating Models for Sub-Convective Pressure Fluctuations in Turbulent Boundary Layers
  19. Identification of Sources of Sub-Convective Wall Pressure Fluctuations Using Space-Time Pressure-Velocity Correlations
  20. Characterization of the Far-Wake of a Wall-Mounted Obstacle Embedded in a Turbulent Boundary Layer
  21. The Characteristics of Sub-Convective Wall Pressure Fluctuations in a Turbulent Boundary Layer
  22. Boundary layer flow over a bump and the three-dimensional law of the wall
  23. Particle characterization using optical measurements and neural networks
  24. Experimental Measurements on a Vortex Tube Separator Array
  25. Modeling the Surface Pressure Spectrum Beneath Turbulent Boundary Layers in Pressure Gradients
  26. Understanding the pressure fluctuations that arise within smooth surfaces subject to turbulent flows
  27. Equilibrium and non-equilibrium turbulent boundary layers
  28. Fluorescent particle image velocimetry using atomized liquid particles
  29. Finite control volume and scalability effects in velocimetry for application to aeroacoustics
  30. The Space-Time Correlation of Pressure Under High Reynolds Number Smooth Wall Turbulent Boundary Layers in Pressure Gradient Family
  31. Flow Field Features of the BEVERLI Hill Model
  32. The Effect of Grazing Flow on Pinhole Condenser Microphones
  33. Non-intrusive optical measurements of gas turbine engine inlet condensation using machine learning
  34. RANS Simulations of Thermally Non-Uniform Supersonic Jets
  35. The Pressure Signature of High Reynolds Number Smooth Wall Turbulent Boundary Layers in Pressure Gradient Family
  36. Computational Fluid Dynamic Analysis for the Assessment of Experimental Design Risks and Flow Sensitivities for a Three-Dimensional Bump Flow
  37. Analysis of Stresses in Metal Sheathed Thermocouples in High-Temperature, Hypersonic Flows
  38. 250 kHz three-component Doppler velocimetry at 32 simultaneous points: a new capability for high speed flows
  39. Non-spherical particle size estimation using supervised machine learning
  40. Geometric scattering removal in cross-correlation Doppler global velocimetry by structured illumination
  41. In-flight thrust monitoring: an acoustics-based approach
  42. Use of Thermal Nonuniformity to Reduce Supersonic Jet Noise
  43. Turbine Engine Ingested Particle Monitoring: A Novel Application of Quantum Cascade IR Laser Extinction
  44. Mean Flow and Turbulence of a Heated Supersonic Jet with Temperature Nonuniformity
  45. Hybrid RANS/LES Turbulence Model Applied to a Transitional Unsteady Boundary Layer on Wind Turbine Airfoil
  46. Aerodynamic Analysis of Total Temperature Probe Thermal Performance Using Conjugate Heat Transfer
  47. Measurement Drift in 3-Hole Yaw Pressure Probes From 5 Micron Sand Fouling at 1050° C
  48. On the Application of Particle Image Velocimetry for Turbofan Engine Flow Quantification
  49. Laser Light Sheet Flow Visualization of the Space Launch System Booster Separation Test
  50. Three-Velocity-Component Cross-Correlation Doppler Global Velocimetry for the Space Launch System Booster Separation Test in the NASA Langley Unitary Plan Wind Tunnel
  51. Space Launch System Booster Separation Supersonic Powered Testing with Surface and Off-body Measurements
  52. Laser velocimetry for turbofan inlet distortion applications
  53. Coupled velocity and temperature acoustic tomography in heated high subsonic mach number flows
  54. Filtered Rayleigh Scattering for Velocity and Temperature Measurements of a Heated Supersonic Jet with Thermal Non-Uniformity
  55. Space-time Description of the Density Near-field in a Non-uniformly Heated Jet.
  56. Statistical Flow Structures in Heated Supersonic Jets with Offset Temperature Non-Uniformities
  57. Synthesis of convection velocity and turbulence measurements in three-stream jets
  58. Investigation of velocity and temperature measurement sensitivities in cross-correlation filtered Rayleigh scattering (CCFRS)
  59. An experimental study on the coupling between adjacent Hartmann whistles
  60. Vortical flow development in round ducts across scales for engine inlet applications
  61. Laser Light Sheet Flow Visualization of the Space Launch System Booster Separation Test
  62. Three-Velocity-Component Cross-Correlation Doppler Global Velocimetry for the Space Launch System Booster Separation Test in the NASA Langley Unitary Plan Wind Tunnel
  63. Space Launch System Booster Separation Supersonic Powered Testing with Surface and Off-body Measurements
  64. Distributed Anemometry via High-Definition Fiber Optic Sensing
  65. Demonstration of 250 kHz Three-Component Velocity Measurements using TRDGV at 32 Simultaneous Points
  66. Outdoor Acoustic Measurements of the Virginia Tech Heated Supersonic Jet Rig Using Ground Microphones
  67. Definition of Arbitrary Swirl Distortions by Solutions to the Helmholtz Equation
  68. Experimental Investigation on the Acoustic Field and Convection Velocity of Structures in a Heated Jet With Centered Thermal Non-Uniformity
  69. MOUNT INTERFERENCE EFFECTS ON TOTAL TEMPERATURE PROBES
  70. Experimental Investigation of the Very Near Pressure Field of a Heated Supersonic Jet with a Total Temperature Non-Uniformity
  71. The Flow and Turbulence Characteristics of a Heated Supersonic Jet with an Offset Total Temperature Non-Uniformity
  72. Turbofan Nose Cone Interactions With Inlet Swirl
  73. Enhanced Low-Order Model with Radiation for Total Temperature Probe Analysis and Design
  74. Complex Flow Generation and Development in a Full-Scale Turbofan Inlet
  75. Experimental Quantification of Fan Rotor Effects on Inlet Swirl Using Swirl Distortion Descriptors
  76. Nonintrusive Gas-Turbine Engine-Exhaust Characterization Using Acoustic Measurements
  77. Unsteady boundary layer development on a wind turbine blade: an experimental study of a surrogate problem
  78. StreamVane Turbofan Inlet Swirl Distortion Generator: Mean Flow and Turbulence Structure
  79. Cross-Correlation Doppler Global Velocimetry using Rayleigh and Mie Scattering
  80. Decomposition of Periodic Eddies with Varying Energy in a Turbulent Flow Using a Directional Averaging Technique
  81. Large-Eddy Simulations of Flow Control Effects of a DBD Plasma Actuator at Various Burst Frequencies on a Dynamic Flowfield around a Pitching NACA0012 Airfoil at Reynolds Number of 256,000
  82. Numerical Study of Transitional Unsteady Boundary Layer on Wind Turbine Airfoil Using Hybrid RANS/LES Turbulence Model
  83. Non-intrusive acoustic measurement of flow velocity and temperature in a high subsonic Mach number jet
  84. Enhanced Low-Order Model with Radiation for Total Temperature Probe Analysis and Design
  85. Computational Modeling of Total-Temperature Probes
  86. Experimental Quantification of Fan Rotor Effects on Inlet Swirl Using Swirl Distortion Descriptors
  87. Application of Proper Orthogonal Decomposition to High Speed Imaging for the Study of Combustion Oscillations
  88. Complex Flow Generation and Development in a Full-Scale Turbofan Inlet
  89. Synthesis of Convection Velocity and Turbulence Measurements in Three-Stream Jets for Investigation of Noise Sources
  90. Eddy Convection in Cold and Heated Supersonic Jets
  91. Experimental Investigation of a Heated Supersonic Jet with Total Temperature Non-Uniformity
  92. Extension of sonic anemometry to high subsonic Mach number flows
  93. Fan Rotor Flow Measurements in a Turbofan Engine Operating with Inlet Swirl Distortion
  94. Swirling Flow Evolution Part 2: StreamFlow 2D+t Model Validated with Stereo PIV Measurements
  95. Swirling Flow Evolution Part 1: Design and Stereo PIV Measurements at Select Planes
  96. Numerical and experimental study of the unsteady transitional boundary layer on a wind turbine airfoil
  97. Non-Intrusive Measurement of Gas Turbine Engine Exhaust Characteristics using Acoustic Measurements
  98. Fluctuating Pressure Gradients in Heated Supersonic Jets
  99. Scale-up of the Time-Resolved Doppler Global Velocimetry Technique
  100. Measurements of Fan Response to Inlet Total Pressure and Swirl Distortions Produced by Boundary Layer Ingesting Aircraft Configurations
  101. An overview of recent results using the StreamVane method for generating tailored swirl distortion in jet engine research
  102. A Hybrid Technique for Laser Flare Reduction
  103. Velocity Statistics and Spectra in Three-Stream Jets
  104. Eddy Convection in Developing Heated Supersonic Jets
  105. Computational Modeling of Radiation Effects on Total Temperature Probes
  106. Stereoscopic PIV measurements in a turbofan engine inlet with tailored swirl distortion
  107. A Diagnostic Technique for Particle Characterization Using Laser Light Extinction
  108. An Experimental Investigation of the Performance Impact of Swirl on a Turbine Exhaust Diffuser/Collector for a Series of Diffuser Strut Geometries
  109. Particle Image Velocimetry Applications Using Fluorescent Dye-doped Particles
  110. Fourth-order Spectral Statistics in the Developing Shear Layers of Hot Supersonic Jets
  111. The Experimental Studies of Improving the Aerodynamic Performance of a Turbine Exhaust System
  112. The Effect of Particle Lag on Supersonic Turbulent Boundary Layer Statistics
  113. Stereoscopic PIV Measurements of Swirl Distortion on a Full-Scale Turbofan Engine Inlet
  114. Spectral analysis of over-expanded cold jets via 3-component point Doppler velocimetry
  115. Time-Domain Cross-Correlation Scan DGV (CCS-DGV) for Mean-Velocity Boundary Layer Measurements
  116. Experimental Reynolds Stress Spectra in Hot Supersonic Round Jets
  117. Laser velocimetry with fluorescent dye-doped polystyrene microspheres
  118. A laser-Doppler velocimeter system for near-field velocity vector measurements in large facilities
  119. Novel Laser Doppler Acceleration Measurements of Particle Lag Through a Shock Wave
  120. A Laser-Based Optical Approach for Measuring Scour Depth around Hydraulic Structures