All Stories

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