J. Gregory

发表

Blade Element Momentum Modeling of Low-Reynolds Electric Propulsion Systems

James W. Gregory, Matthew McCrink, M. McCrink, 2017 .

Impinging Sweeping Jet Heat Transfer

J. Gregory, J. Bons, Lucas Agricola, 2017 .

Fast Pressure-Sensitive Paint for Flow and Acoustic Diagnostics

Tianshu Liu, J. Gregory, J. Sullivan, 2014 .

Characterization of the Microfluidic Oscillator

J. Gregory, G. Raman, J. Sullivan, 2007 .

Optical Method for Measuring Low Wall Shear Stresses Using Thermal Tufts

J. Gregory, J. Baughn, Christopher O. Porter, 2008 .

Unsteady Pressure Measurements in Turbomachinery using Porous Pressure Sensitive Paint

J. Gregory, J. Sullivan, H. Sakaue, 2002 .

Single-shot, lifetime-based pressure-sensitive paint for rotating blades

Thomas J. Juliano, J. Gregory, J. Crafton, 2011 .

Wing deformation measurements from pressure sensitive paint images using videogrammetry

Tianshu Liu, J. Gregory, J. Crafton, 2011 .

Motion-deblurred, fast-response pressure-sensitive paint on a rotor in forward flight

Thomas J. Juliano, Kevin J. Disotell, J. Gregory, 2012 .

Single-shot temperature- and pressure-sensitive paint measurements on an unsteady helicopter blade

Thomas J. Juliano, Kevin J. Disotell, J. Gregory, 2014 .

Measuring Surface Pressures on Rotor Blades Using Pressure-Sensitive Paint

Kyle Z. Goodman, J. Gregory, J. Crafton, 2016 .

Measurement of Unsteady Gusts in an Urban Wind Field using a UAV-based Anemometer

M. McCrink, J. Gregory, Ryan L. Thorpe, 2018, 2018 Applied Aerodynamics Conference.

Development of a Two Layer Dual-Luminophore Pressure Sensitive Paint for Unsteady Pressure Measurements

J. Gregory, J. Crafton, D. Peng, 2010 .

Vortex dynamics during blade-vortex interactions

J. Gregory, D. Peng, 2015 .

Characterizing Wave Propagation in an Unsteady Transonic Wind Tunnel

J. Gregory, J. Bons, Wenbo Zhu, 2018, 2018 Aerodynamic Measurement Technology and Ground Testing Conference.

A Comprehensive Approach to Study Aerodynamic and Aeroacoustic Performances of Small Multicopter Unmanned Aerial Systems

James W. Gregory, Matthew McCrink, Mei Zhuang, 2018 .

Frequency-Response Characteristics of Polymer/Ceramic Pressure-Sensitive Paint

James W. Gregory, Anshuman Pandey, J. Gregory, 2016 .

Rotor Wake Structure Development in Low Reynolds Number Conditions

James W. Gregory, Matthew McCrink, Mark L. Sutkowy, 2018 .

Sweeping Jet Film Cooling on a Turbine Vane

J. Gregory, J. Bons, Lucas Agricola, 2018, Journal of Turbomachinery.

Investigation of Crossflow Interaction of an Oscillating Jet

J. Gregory, J. Bons, Lucas Agricola, 2017 .

Experimental Study of Vortex Dynamics during Blade-Vortex Interactions

J. Gregory, D. Peng, 2013 .

Global Skin-Friction Diagnostics Based on Surface Mass-Transfer Visualizations

Tianshu Liu, J. Gregory, J. Sullivan, 2014 .

Investigation of the cylinder wake under spanwise periodic forcing with a segmented plasma actuator

J. Gregory, S. Bhattacharya, 2015 .

Application of fast-responding pressure-sensitive paint to a hemispherical dome in unsteady transonic flow

Samuel R. Long, Kevin J. Disotell, J. Gregory, 2011 .

Effect of Quenching Kinetics on Unsteady Response of Pressure-Sensitive Paint

James W. Gregory, John P. Sullivan, J. Gregory, 2006 .

Development of fluidic oscillators as flow control actuators

J. Gregory, 2005 .

Control of High Subsonic Cavity Flow Using Plasma Actuators

J. Gregory, M. Samimy, Kevin Yugulis, 2013 .

Control of High Subsonic Cavity Flow Using Plasma Actuators

J. Gregory, M. Samimy, Kevin Yugulis, 2013 .

Deconvolution-Based Algorithms for Deblurring PSP Images of Rotating Surfaces

Thomas J. Juliano, Kevin J. Disotell, J. Gregory, 2013 .

Oscillation characteristics of mutually impinging dual jets in a mixing chamber

Mehmet N. Tomac, J. Gregory, 2018, Physics of Fluids.

The Effect of Spatially and Temporally Modulated Plasma Actuation on Cylinder Wake

J. Gregory, S. Bhattacharya, 2020 .

Transient wall-jet flowing over a circular cylinder

J. Gregory, D. Greenblatt, Ron Danon, 2016 .

Sweeping jet impingement heat transfer on a simulated turbine vane leading edge

J. Gregory, J. Bons, Lucas Agricola, 2018, Journal of the Global Power and Propulsion Society.

Effects of Exit Fan Angle on the Heat Transfer Performance of Sweeping Jet Impingement

J. Gregory, J. Bons, Lucas Agricola, 2018, 2018 International Energy Conversion Engineering Conference.

Effects of Curvature on the Performance of Sweeping Jet Impingement Heat Transfer

J. Gregory, J. Bons, Lucas Agricola, 2018 .

Global surface pressure measurements of static and dynamic stall on a wind turbine airfoil at low Reynolds number

Kevin J. Disotell, J. Gregory, J. Naughton, 2016 .

Application of Fast Pressure-Sensitive Paint to an Oscillating Wind Turbine Airfoil

Kevin J. Disotell, J. Gregory, J. Naughton, 2015 .

Final Report : Unsteady Aerodynamics-Synchronized Flow Control of Dynamic Stall under Coupled Pitch and Freestream Report Title

J. Gregory, 2016 .

Comparison of Unsteady Pressure-Sensitive Paint Measurement Techniques

Samuel R. Long, Kevin J. Disotell, J. Gregory, 2012 .

Characterization of the Micro fl uidic Oscillator

J. Gregory, J. Sullivan, S. Raghu, 2007 .

Variable-Frequency Fluidic Oscillator Driven by Piezoelectric Devices

J. Gregory, J. Sullivan, E. Gnanamanickam, 2005 .

Time-Resolved Measurements of Cellular Separation on a Stalling Airfoil

Kevin J. Disotell, J. Gregory, 2015 .

The Optimum Wavelength of Spanwise Segmented Plasma Actuator Forcing of a Circular Cylinder Wake

J. Gregory, S. Bhattacharya, 2013 .

Study of the Wake of a Circular Cylinder under Spatially and Temporally Modulated Plasma Actuation

J. Gregory, S. Bhattacharya, 2012 .

Effect of Three-Dimensional Plasma Actuation on the Wake of a Circular Cylinder

J. Gregory, S. Bhattacharya, 2012 .

Aerodynamic Performance and Trailing Edge Flow Physics on an Airfoil in an Oscillating Freestream

M. McCrink, J. Gregory, J. Bons, 2020 .

Circular Cylinder Wake Control using Spatially Distributed Plasma Forcing

James W. Gregory, Thomas McLaughlin, T. McLaughlin, 2008 .

Frequency Studies and Scaling Effects of Jet Interaction in a Feedback-Free Fluidic Oscillator

Mehmet N. Tomac, J. Gregory, 2012 .

Single-Shot Pressure-Sensitive Paint Measurements of Static and Dynamic Stall on a Wind Turbine Airfoil

Kevin J. Disotell, J. Gregory, J. Naughton, 2015 .

Internal jet interactions in a fluidic oscillator at low flow rate

Mehmet N. Tomac, J. Gregory, 2014 .

Internal Flow Physics of a Fluidic Oscillator in the Transition Regime

Mehmet N. Tomac, J. Gregory, 2016 .

Measurement Techniques for Shock Movement Capture on a NACA 0012 in Unsteady Compressible Flow

J. Gregory, J. Bons, Kyle Gompertz, 2012 .

The unsteady Kutta condition on an airfoil in a surging flow

M. McCrink, J. Gregory, J. Bons, 2020, Journal of Fluid Mechanics.

Surface Potential and Electric Field Structure in the Aerodynamic Plasma Actuator

James W. Gregory, Thomas McLaughlin, W. S. Miller, 2008 .

Comparison of unsteady pressure fields on turrets with different surface features using pressure-sensitive paint

James W. Gregory, Eric J. Jumper, Thomas J. Juliano, 2014 .

Comparison of unsteady pressure fields on turrets with different surface features using pressure-sensitive paint

Thomas J. Juliano, E. Jumper, S. Gordeyev, 2014, Experiments in Fluids.

Study of Unsteady Surface Pressure on a Turret via Pressure-Sensitive Paint

James W. Gregory, Eric J. Jumper, Thomas J. Juliano, 2013 .

The Comparison of Unsteady Pressure Field over Flat- and Conformal-Window Turrets using Pressure Sensitive Paint

Thomas J. Juliano, Nicholas G. De Lucca, E. Jumper, 2013 .

Inverse Methods for Deblurring Pressure-Sensitive Paint Images of Rotating Surfaces

Narayanan Komerath, James W. Gregory, Di Peng, 2014 .

POROUS PRESSURE-SENSITIVE PAINT FOR MEASUREMENT OF UNSTEADY PRESSURES IN TURBOMACHINERY

James W. Gregory, J. Gregory, 2004 .

Effect of Quenching Kinetics on the Unsteady Response of Pressure-Sensitive Paint

J. Gregory, J. Sullivan, 2004 .

Instabilities and turbulence in a forced turbulent convex wall jet

J. Gregory, Anshuman Pandey, 2020 .

Characterization of a Micro Fluidic Oscillator for Flow Control

James W. Gregory, John P. Sullivan, Surya Raghu, 2004 .

A Review of Fluidic Oscillator Development

James W. Gregory, Mehmet N. Tomac, J. Gregory, 2013 .

Spanwise Wavelength of Streamwise Vortices in a Forced Turbulent Convex Wall Jet

J. Gregory, Anshuman Pandey, 2021 .

Thin-Wing Vibration Control Using Flexible Fins

James W. Gregory, Tianshu Liu, Jim Crafton, 2013 .

The applications of pressure-sensitive paint in microfluidic systems

James W. Gregory, Hiroki Nagai, Keisuke Asai, 2015 .

Blade Element Momentum Modeling of Low-Re Small UAS Electric Propulsion Systems

James W. Gregory, Matthew McCrink, M. McCrink, 2015 .

Dynamic Calibrations for Fast-Response Porous Polymer/Ceramic Pressure-Sensitive Paint

J. Gregory, J. Crafton, R. McMullen, 2013 .

Boundary layer and near wake measurements of a two-dimensional airfoil with background-oriented schlieren method

J. Gregory, J. Bons, Wenbo Zhu, 2022, Experiments in Fluids.

Effects of Fluidic Oscillator Nozzle Angle on the Flowfield and Impingement Heat Transfer

J. Gregory, J. Bons, M. A. Hossain, 2021 .

Impingement Heat Transfer Characteric of a Sweeping Jet

J. Gregory, J. Bons, Robin Prenter, 2017 .

Flight Test Protocol for Electric Powered Small Unmanned Aerial Systems

Matthew McCrink, James W. Gregory, M. McCrink, 2014 .

Asymmetric distributions in pressure/load fluctuation levels during blade-vortex interactions

J. Gregory, D. Peng, 2017 .

Unsteady Pressure-Sensitive Paint Measurements on an Articulated Model Helicopter in Forward Flight

Thomas J. Juliano, Kevin J. Disotell, J. Gregory, 2012 .

Impact of Rotor–Airframe Orientation on the Aerodynamic and Aeroacoustic Characteristics of Small Unmanned Aerial Systems

Anshuman Pandey, James W. Gregory, Zhenyu Wang, 2019, Drones.

Optimum-wavelength forcing of a bluff body wake

J. Gregory, S. Bhattacharya, 2018 .

Effect of Three-Dimensional Plasma Actuation on the Wake of a Circular Cylinder

James W. Gregory, Samik Bhattacharya, J. Gregory, 2012 .

Design and Development of a High-Speed UAS for beyond Visual Line-of-Sight Operations

M. McCrink, J. Gregory, 2021, Journal of Intelligent & Robotic Systems.

Blade Tip Pressure Measurements Using Pressure Sensitive Paint

Jim Crafton, James W. Gregory, Thomas J. Juliano, 2018 .

Effects of Time-Varying Flow Velocity on Steady Blowing Flow Control for a Pitching Airfoil

J. Gregory, J. Bons, Nbsp, 2016 .

Passive Trip Evaluation Using Infrared Thermography

J. Gregory, J. Bons, Kyle Gompertz, 2012 .

Lagrangian Coherent Structures in Optimal Vortex Ring Formation

J. Gregory, B. Harter, 2020, AIAA Scitech 2020 Forum.

Identification of Lagrangian Coherent Structures using the Background-Oriented Schlieren Method

M. McCrink, J. Gregory, B. Harter, 2019, AIAA Aviation 2019 Forum.

PSP measurements on an oscillating NACA 0012 airfoil in compressible flow

Jim Crafton, James W. Gregory, Di Peng, 2011 .

Force Production Mechanisms of a Dielectric-Barrier Discharge Plasma Actuator

James W. Gregory, Thomas McLaughlin, T. McLaughlin, 2007 .

Modification of Transonic Blowdown Wind Tunnel to Produce Oscillating Freestream Mach Number

Jeffrey P. Bons, James W. Gregory, Christopher Jensen, 2011 .

Experimental Investigation of Innovative Cooling Schemes on an Additively Manufactured Engine Scale Turbine Nozzle Guide Vane

J. Gregory, J. Bons, M. A. Hossain, 2020, Journal of Turbomachinery.

Measurement of transient acoustic fields using a single-shot pressure-sensitive paint system.

Kevin J. Disotell, J. Gregory, James W Gregory, 2011, The Review of scientific instruments.

Temperature-Compensated Fast Pressure-Sensitive Paint

Thomas J. Juliano, Tianshu Liu, J. Gregory, 2012 .

Iterative Blind Deconvolution Algorithm for Deblurring a Single PSP/TSP Image of Rotating Surfaces

Anshuman Pandey, James W. Gregory, J. Gregory, 2018, Sensors.

Aerodynamic Characterization of a Quad-Rotor Helicopter

Anshuman Pandey, James W. Gregory, Matthew McCrink, 2018 .

Dynamic Mode Decomposition of Fast Pressure Sensitive Paint Data

Anshuman Pandey, James W. Gregory, Mohd Y. Ali, 2016, Sensors.

Comparison of Blur Elimination Techniques for PSP Images of Rotating Surfaces

James W. Gregory, Scott Stanfield, Jim Crafton, 2016 .

Step Response Characteristics of Polymer/Ceramic Pressure-Sensitive Paint

Anshuman Pandey, James W. Gregory, J. Gregory, 2015, Sensors.

Dynamic Response Characteristics of Polymer/Ceramic Pressure-Sensitive Paint

J. Gregory, Anshuman Pandey, 2015 .

Estimating Response Time of Polymer / Ceramic Pressure Sensitive Paint

J. Gregory, Anshuman Pandey, 2015 .

Applying Pressure Sensitive Paint Technology to Rotor Blades

James W. Gregory, A. Neal Watkins, Kyle Z. Goodman, 2014 .

Deployment of a Pressure Sensitive Paint System for Measuring Global Surface Pressures on Rotorcraft Blades in Simulated Forward Flight: Preliminary PSP Results from Test 581 in the 14- by 22-Foot Subsonic Tunnel

James W. Gregory, Thomas J. Juliano, Kyle Z. Goodman, 2011 .

A Temperature Corrected Dual-Luminophore Pressure- Sensitive Paint System for Unsteady Pressure Measurements

James W. Gregory, Samuel R. Long, J. Gregory, 2011 .

Unsteady surface signature of a pulsed vortex generator jet

James W. Gregory, Kevin J. Disotell, J. Gregory, 2011, J. Vis..

Unsteady Compressible Flow on a NACA 0021 Airfoil

Thomas J. Juliano, J. Gregory, J. Bons, 2011 .

Pressure-sensitive paint as a distributed optical microphone array.

J. Gregory, J. Sullivan, N. Komerath, 2006, The Journal of the Acoustical Society of America.

Visualization of jet mixing in a fluidic oscillator

James W. Gregory, John P. Sullivan, Surya Raghu, 2005, J. Vis..

Variable-Frequency Fluidic Oscillator Driven by a Piezoelectric Bender

James W. Gregory, Ebenezer P. Gnanamanickam, John P. Sullivan, 2005 .

1th International Symposium on Flow Visualization

James W. Gregory, John P. Sullivan, Surya Raghu, 2022 .

CHARACTERIZATION OF HARTMANN TUBE FLOW WITH POROUS PRESSURE-SENSITIVE PAINT

James W. Gregory, John P. Sullivan, J. Gregory, 2003 .

FLUIDIC OSCILLATOR AS A DYNAMIC CALIBRATION TOOL

James W. Gregory, John P. Sullivan, Hirotaka Sakaue, 2002 .

Aerodynamic Parameter Estimation for Derived Angle-of-Attack Systems

James W. Gregory, Matthew McCrink, M. McCrink, 2017 .

Switching Behavior of a Plasma-Fluidic Actuator

James W. Gregory, Thomas McLaughlin, Aaron R. Byerley, 2007 .

Flow Visualization with Laser-Induced Thermal Tufts

J. Gregory, S. Peterson, 2005 .

Transient wall-jet flowing over a circular cylinder

J. Gregory, D. Greenblatt, Ron Danon, 2016, Experiments in Fluids.

Sweeping Jet Film Cooling at High Blowing Ratio on a Turbine Vane

J. Gregory, J. Bons, M. A. Hossain, 2019, Journal of Turbomachinery.

Integrated optical measurement techniques for investigation of fluid-structure interactions

James W. Gregory, Di Peng, Tianshu Liu, 2009 .

Microchannel Pressure Measurements Using Molecular Sensors

J. Gregory, J. Sullivan, J.P. Sullivan, 2007, Journal of Microelectromechanical Systems.

Experimental and Numerical Investigation of Sweeping Jet Film Cooling

J. Gregory, J. Bons, Robin Prenter, 2017 .

Experimental Investigation of Sweeping Jet Film Cooling in a Transonic Turbine Cascade

J. Gregory, J. Bons, M. A. Hossain, 2019, Journal of Turbomachinery.

Revolutionizing Turbine Cooling with Micro-Architectures Enabled by Direct Metal Laser Sintering

J. Gregory, J. Bons, A. Ameri, 2020 .

Sweeping Jet Film Cooling on a Turbine Vane

J. Gregory, J. Bons, Lucas Agricola, 2018, Journal of Turbomachinery.

Drag Reduction on the 25-deg Ahmed Model Using Fluidic Oscillators

James W. Gregory, Matthew Metka, J. Gregory, 2015 .

Effects of Roughness on the Performance of Fluidic Oscillators

J. Gregory, J. Bons, Lucas Agricola, 2017 .

Turbine Vane Leading Edge Impingement Cooling With a Sweeping Jet

J. Gregory, J. Bons, Lucas Agricola, 2018, Volume 5A: Heat Transfer.

Effects of Rotation on a Fluidic Actuator

J. Gregory, J. Bons, M. A. Hossain, 2019, AIAA Scitech 2019 Forum.

Porous Pressure-Sensitive Paint for Characterizing Unsteady Flowfields

James W. Gregory, John P. Sullivan, Surya Raghu, 2002 .

Flow visualization and pressure measurement in micronozzles

James W. Gregory, John P. Sullivan, Chihyung Huang, 2007, Journal of Vision.

The applications of pressure-sensitive paint in microfluidic systems

Hiroki Nagai, J. Gregory, Chih-Yung Huang, 2014, Microfluidics and Nanofluidics.

FEDSM 2001-18058 CHARACTERIZATION OF MINIATURE FLUIDIC OSCILLATOR FLOWFIELDS USING POROUS PRESSURE SENSITIVE PAINT

J. Gregory, J. Sullivan, H. Sakaue, 2001 .

Modification of a Transonic Blowdown Wind Tunnel to Produce Oscillating Freestream Mach Number

J. Gregory, J. Bons, Kyle Gompertz, 2010 .

Jet Interactions in a Feedback-Free Fluidic Oscillator at Low Flow Rate

Mehmet N. Tomac, J. Gregory, 2013 .

Reynolds Scaling Effects on Dynamic Stall of VR-7 and VR-12 Airfoils

J. Gregory, J. Bons, Wenbo Zhu, 2019, AIAA Scitech 2019 Forum.