Robert C. Hendricks NASA ST Senior Research

Declassified Publications:

• Electrolytic co-deposition neutron production measured by bubble detectors -Jan 2021
• Transmutations observed from pressure cycling palladium silver metals with deuterium gas - Nov 2020
• Novel Nuclear Reactions Observed in  Bremsstrahlung-Irradiated Deuterated Metals  - June 2020
• Novel nuclear reactions observed in bremsstrahlung-irradiated deuterated metals -Apr 2020
• Nuclear fusion reactions in deuterated metals - Apr 2020
• Investigation of Deuterium-Loaded Materials Subject to X-Ray Exposure - Mar 2017 
• Turbomachinery Clearance Control  - Dec 2014
• Heating and Efficiency Comparison of a Fischer-Tropsch (FT) Fuel, JP-8+100, and Blends in a Three-Cup Combustor Sector  - Nov 2012
• Determination of Turbine Blade Life From Engine Field Data - Nov 2012
• Alternate-Fueled Combustor-Sector Performance—Part A: Combustor Performance and Part B: Combustor Emissions  - Jan 2012
• Valdiation of a Weibull-Johnson Virtual Bin Monte Carlo method for fatigue life determination of rotating shafts  - Jan 2012
• Particulate Emissions Hazards Associated with Fueling Heat Engines  - Jan 2011
• Aviation Fueling: A Cleaner, Greener Approach  - Jan 2011
• Gas Turbine Engines: Seals  - Dec 2010
• Computational Analysis of Dynamic SPK(S8)-JP-8 Fueled Combustor-Sector Performance  - Jan 2010
• Test Population Selection from Weibull-Based, Monte Carlo Simulations of Fatigue Life  - Apr 2008
• Correlation of Compressive and Shear Stress with Spalling of Plasma‐Sprayed Ceramic Materials  - Mar 2008
• Some Thermal Stress Problems in Porcelain Enamel‐Coated Rods  - Mar 2008
• Use of Fiber‐Like Materials to Augment Cycle Life of Thick, Thermoprotective‐Seal Coatings  - Mar 2008
• Experimental Study of Ceramic‐Coated Tip Seals for Turbojet Engines  - Mar 2008
• Bonded Ceramic Foams Reinforced with Fibers for High Temperature Use - Mar 2008
• Ribbon‐Burner Simulation of T‐700 Turbine Shroud for Ceramic‐Lined Seals Research  - Mar 2008
• Some Adhesion/Cohesion Characteristics of Plasma‐Sprayed ZrO2‐Y2O3 Under Tensile Loading  - Mar 2008
• Effects of Arc Current on the Life in Burner‐Rig Thermal Cycling of Plasma‐Sprayed ZrO2‐Y2O3  - Mar 2008
• A Step Towards CO2-Neutral Aviation  - Sep 2007
• Probabilistic Analysis for Comparing Fatigue Data Based on Johnson-Weibull Parameters  - Jan 2007
• Sealing in Turbomachinery - Mar 2006
• Experimental determination of fatigue lives of rotating aluminum alloys using Weibull analysis  - Jan 2006
• Interfaces - Weak links, yet great opportunities - Jan 2006
• Compliant Turbomachine Sealing - Jan 2006
• Turbomachine Interface Sealing - May 2005
• Effect of Silicon Nitride Balls and Rollers on Rolling Bearing Life - May 2005
• Torque Transmission Device at Zero Leakage  - Apr 2005
• Water Injected Turbomachinery  - Apr 2005
• Modeling of a Sequential Two-Stage Combustor, Supplement  - Apr 2005
• Emissions Prediction and Measurement for Liquid Fueled TVC Combustor with and Without Water Injection - Apr 2005
• Modeling of a Sequential Two-Stage Combustor  - Jan 2005
• Water Misting and Injection of Commercial Aircraft Engines to Reduce Airport NOx - Apr 2004
• Monte Carlo Simulation of Sudden Death Bearing Testing - Apr 2004
• Experimental and Computational Study of Trapped Vortex Combustor Sector Rig With Tri-Pass Diffuser - Feb 2004
• Turbomachine Sealing and Secondary Flows Part 3—Review of Power-Stream Support, Unsteady Flow Systems, Seal and Disk Cavity Flows, Engine Externals, and Life and Reliability Issues  - Jan 2004
• Effect of Individual Component Life Distribution on Engine Life Prediction  - Sep 2003
• Weibull-Based Design Methodology for Rotating Structures in Aircraft Engines - Sep 2003
• Determination of Rolling-Element Fatigue Life From Computer Generated Bearing Tests  - Sep 2003
• 2001 NASA Seal/Secondary Air System Workshop  - Sep 2002
• Comparative Fatigue Lives of Rubber and PVC Wiper Cylindrical Coatings  - Sep 2002
• Measurement and Computation of Supersonic Flow in a Lobed Diffuser-Mixer for Trapped Vortex Combustors  - Aug 2002
• Predictive Failure of Cylindrical Coatings Using Weibull Analysis  - Aug 2002
• Visualization of Flows in Packed Beds of Twisted Tapes  - Jan 2002
• Structural Life and Reliability Metrics: Benchmarking and Verification of Probabilistic Life Prediction Codes  - Jan 2002
• Design of Critical Components - Nov 2001
• Overview of NASA Glenn Seal Development Program  - Nov 2001
• Virtual Experiments on Drag Reduction  - Jan 2001
• Computational Analysis of 3D Fluid Flow and Pressure Forces in a Spiral Groove Seal  - Jan 2001
• Experimental flow patterns and pressure characteristics in a single hydrostatic pocket of variable depth  - Jan 2001
• Experimental and Computational Study of Trapped Vortex Combustor Sector Rig with High-Speed Diffuser Flow  - Jan 2001
• Computational Study of Micro-blowing for Shear Force Reduction  - Jan 2001
• Continued evaluation of the Hybrid Floating Brush Seal (HFBS)  - Nov 2000
• 1999 NASA Seal/Secondary Air System Workshop -Nov 2000
• Advanced Seal Technology Role in Meeting Next Generation Turbine Engine Goals - Mar 1999
• Two-Way Brush Seals Catch a Wave  - Nov 1998
• A Brush Seals Program Modeling and Developments - Jan 1998
• Bidirectional Brush Seals: Post-Test Analysis - Dec 1997
• Development of a coupled, transient simulation methodology for interaction between primary and secondary flowpaths in gas turbine engines  - Jul 1997
• Seal Leakages for Honeycomb or Smooth Configurations  - Jun 1997
• Numerical Flow Visualization in Basic- and Hyper-Cluster Spheres  - Mar 1997
• Experimental Visualization of Flows in Packed Beds of Spheres  - Feb 1997
• Bidirectional Brush Seals  - Feb 1997
• Multiply Connected Cavity Flows in Turbomachines  - May 1996
• Numerical Simulation of Flow in a Whirling Annular Seal and Comparison With Experiments  - Apr 1996
• Aerospace Seal Requirements - Apr 1996
• Quantification of Gear Tooth Damage by Optimal Tracking of Vibration Signatures  - Apr 1996
• Pressure and flow characteristics in a shallow hydrostatic pocket with rounded pocket/land joints  - Feb 1996
• A Small Perturbation CFD Method for Calculation of Seal Rotordynamic Coefficients  - Jan 1996
• Relative Performance Comparison Between Baseline Labyrinth and Dual-Brush Compressor Discharge Seats in a T-7OO Engine Test  - Oct 1995
• Metallographic Analysis of Brush Bristle and Integrity Testing of Brush Seal in Shroud Ring of T-700 Engine  - Jun 1995
• Numerical Analysis of Intra-Cavity and Power-Stream Flow Interaction in Multiple Gas-Turbine Disk-Cavities - Jun 1995
• Comparison of numerical results and multicavity purge and rim seal data with extensions to dynamics  - Jun 1995
• Interactive Development of Seals, Bearings, and Secondary Flow Systems with the Power Stream  - Jan 1995
• Seals Flow Code Development Workshop 1993  - Aug 1994
• Engine seal technology requirements to meet NASA's Advanced Subsonic Technology program goals  - Jul 1994
• Development of a brush seals program leading to ceramic brush seals  - Jun 1994
• Environmental and customer-driven seal requirements  - Jun 1994
• Some metallographic results for brush bristles and brush segments of a shroud ring brush seal tested in a T-700 engine  - Jun 1994
• Brush Seal Performance and Durability Issues Based on T-700 Engine Test Results  - Apr 1994
• A 3D-CFD code for accurate prediction of fluid flows and fluid forces in seals  - Dec 1993
• 1992 Seals Flow Code Development Workshop  - Oct 1993
• Integrity testing of brush seal in a T-700 engine - Sep 1993
• Compliant seal development -Sep 1993
• Brush seal low surface speed hard-rub characteristics  - Jul 1993
• Brush Seal Leakage Performance With Gaseous Working Fluids at Static and Low Rotor Speed Conditions  - Apr 1993
• Driven cavity simulation of turbomachine blade flows with vortex control  - Feb 1993
• Brush seal bristle flexure and hard-rub characteristics  - Sep 1992
• Bonded ceramic foams reinforced with fibers for high temperature use  - Sep 1992
• A finite-volume numerical method to calculate fluid forces and rotordynamic coefficients in seals  - Aug 1992
• Integrity Testing of Brush Seal in Shroud Ring of T-700 Engine  - Jul 1992
• Flow visualization and motion analysis for a series of four sequential brush seals  - Jul 1992
• Development of Advanced Seals for Space Propulsion Turbomachinery  - May 1992
• Flow visualization in a single simulated brush seal  - Feb 1992
• Paper IX (i) Brush Seals in Vehicle Tribology  - Dec 1991
• Non-intrusive laser-based, full-field quantitative flow measurements aided by digital image processing. Part 1: Eccentric cylinders  - Aug 1991
• Some preliminary results of brush seal/rotor interference effects on leakage at zero and low rpm using a tapered-plug rotor  - Jul 1991
• A Bulk Flow Model of a Brush Seal System  - Jul 1991
• Effects of brush seal morphology on leakage and pressure drops  - Jul 1991
• Flow Visualization and Quantitative Velocity and Pressure Measurements in Simulated Single and Double Brush Seals  - Feb 1991
• Eccentricity effects on leakage of a brush seal at low speeds  - Feb 1991
• Simulation of brush insert for leading-edge-passage convective heat transfer  - Feb 1991
• Numerical modeling of flows in simulated brush seal configurations  - Aug 1990
• Qualitative Investigation of Cryogenic Fluid Injection Into a Supersonic Flow Field - Feb 1990
• A laser based computer aided non-intrusive technique for full field flow characterization in macroscopic curved channels  - Feb 1989
• Seals For Cryogenic Turbomachines  - Oct 1988
• Designing Ceramic Coatings  - May 1988
• Numerical modeling of multidimensional flow in seals and bearings used in rotating machinery -Feb 1988
• Interface Roughness Effect on Stresses in Ceramic Coatings  -Sep 1987
• Thermomechanical behavior of plasma-sprayed ZrO2-Y2O3 coatings influenced by plasticity, creep, and oxidation  - Sep 1987
• Some adhesion/cohesion characteristics of plasma-sprayed ZrO2-Y2O3 under tensile loading - Sep 1987
• Closure to “Discussion of ‘A Fully Coupled Variable Properties Thermohydraulic Model for a Cryogenic Hydrostatic Journal Bearing’” (1987, ASME J. Tribol., 109, p. 415)  - Jul 1987
• Evaluation of seals for high-performance cryogenic turbomachines  - Feb 1987
• Comparison of generalized Reynolds and Navier Stokes equations for flow of a power law fluid  - Feb 1987
• Finite difference solution for a generalized Reynolds equation with homogeneous two-phase flow  - Feb 1987
• Analysis of experimental shaft seal data for high-performance turbomachines - As for Space Shuttle main engines  - Feb 1987
• FRICTION FACTORS AND HEAT TRANSFER COEFFICIENTS FOR HYDROGEN SYSTEMS OPERATING AT SUPERCRITICAL PRESSURES  - Dec 1986 Chapter
•  FLOW IN A COMBINING MANIFOLD HEAT EXCHANGER  - Dec 1986 Chapter
• Thermal Shaft Effects on Load-Carrying Capacity of a Fully Coupled, Variable-Properties Cryogenic Journal Bearing - Nov 1986
• A Fully Coupled Variable Properties Thermohydraulic Model for a Cryogenic Hydrostatic Journal Bearing - Nov 1986
• Volume-energy parameters for heat transfer to supercritical fluids  - Feb 1986
• Thermomechanical design criteria for ceramic-coated surfaces - Feb 1986
• Refrigerated Dynamic Seal TO 6.9 MPa (1000 psi) - Feb 1986
• Two-phase flows and heat transfer within systems with ambient pressure above the thermodynamic critical pressure -Feb 1986
• Fabrication of ceramic substrate‐reinforced and free forms by mandrel plasma spraying metal–ceramic composites -Dec 1985
• Film and interstitial formation of metals in plasma‐sprayed ceramics -Dec 1985
• Summary Abstract: Metallic and metalloceramic coating by thermal decomposition -Nov 1985
• Ribbon-burner simulation of T-700 turbine shroud for ceramic-lined seals research -Sep 1985
• Finite Element Analysis of Residual Stress in Plasma‐Sprayed Ceramic - Sep 1985
• Experimental study of ceramic coated tip seals for turbojet engines -Feb 1985
• Metallic and metalloceramic coating by thermal decomposition -Feb 1985
• Nested subcritical flows within supercritical systems -Feb 1985
• Experimental and Analytical Study of Ceramic-Coated Turbine-Tip Shroud Seals for Small Turbine Engines - Jan 1985
• An Analysis of Temperature Effect in a Finite Journal Bearing with Spatial Tilt and Viscous Dissipation -Nov 1984
• Heat Transfer in Thermal Barrier Coated Rods With Circumferential and Radial Temperature Gradients -Jul 1984
• An experimental investigation and some analytical considerations concerning the vaporous/gaseous cavity characteristics of an eccentric shaft seal or bearing  - Feb 1994
• High temperature thermomechanical analysis of ceramic coatings  - Feb 1984
• Experimental study of bubble cavities attached to a rotating shaft in a reservoir -Feb 1984
• The Effect of Annealing on the Creep of Plasma‐Sprayed Ceramics  - Nov 1983
• A thermomechanical model for energy propagation in a solid-fluid-solid system with one boundary in relative motion -Aug 1983
• Thermomechanical loading of multilayered cylindrical geometries in thermal cycling from 300 to 1300 K -Feb 1983
• Finite element formulation for transient heat treat problems - Feb 1983
• Analogy between fluid cavitation and fracture mechanics -Feb 1983
• Residual Stress in Plasma‐Sprayed Ceramic Turbine Tip and Gas‐Path Seal Specimens -Feb 1983
• Use of fiber-like materials to augment cycle life of thick, thermoprotective-seal coatings -Nov 1982
• Some Inelastic Effects of Thermal Cycling on ZrO2‐Y2O3 Materials -Nov 1982
• Effects of arc current on the life in burner-rig thermal cycling of plasma-sprayed ZrO2-O3 -Nov 1982
• An Experimental Investigation of the Vaporous/Gaseous Cavity Characteristics of an Eccentric Journal Bearing -Nov 1982
• Acoustic velocities of two-phase mixtures of cryogenic fluids -Feb 1982
• The dryout region in frictionally heated sliding contacts -Feb 1982
• Effects of arc current on the life in burner rig thermal cycling of plasma sprayed ZrOsub2-Ysub2Osub3 -Feb 1982
• Some inelastic effects of thermal cycling on yttria-stabilized zirconia -Feb 1982
• ACOUSTIC VELOCITIES OF TWO-PHASE MIXTURES OF CRYOGENIC FLUIDS -Jan 1982 Conference Paper
• Prolonging thermal barrier coated specimen life by thermal cycle management -May 1981
• Assessment of Variations in Thermal Cycle Life Data of Thermal Barrier Coated Rods -May 1981
• Effect of thermal cycling on ZrO2Y2O3 thermal barrier coatings -May 1980
• Critical mass flux through short Borda type inlets of various cross sections -Oct 1979
• Alternate Fuels for use in Commercial Aircraft 
• COMPUTATIONAL STUDIES OF FLUID FLOW AND PRESSURE DISTRIBUTIONS IN A SPIRAL GROOVE SEALS
• Flows in Pinned Arrays Simulating Brush Seals  

Source: https://www.researchgate.net/scientific-contributions/R-C-Hendricks-4582519

 Papers: https://ntrs.nasa.gov/search