All Stories

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