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Journal Articles

Discussion: “Air Conditioning of Railroad Passenger Cars” (Wallace, L. W., and Early, Jr., G. G., 1937, Trans. ASME, 59, pp. 733–740)

A. R. Walker
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Discussions
J. Fluids Eng. November 1938, 60(8): 680.
https://doi.org/10.1115/1.4020897
Published Online: February 10, 2023
View Article titled, Discussion: “Air Conditioning of Railroad Passenger Cars” (Wallace, L. W., and Early, Jr., G. G., 1937, Trans. ASME, 59, pp. 733–740)
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Topics: Air conditioning, Railroad passenger cars
Journal Articles

Discussion: “Shear-Strain Rate in Metal Cutting and Its Effects on Shear-Flow Stress” (Kececioglu, Dimitri, 1958, Trans. ASME, 80, pp. 158–167)

D. R. Walker
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Discussions
J. Fluids Eng. January 1958, 80(1): 167–168.
https://doi.org/10.1115/1.4012294
Published Online: January 25, 2022
View Article titled, Discussion: “Shear-Strain Rate in Metal Cutting and Its Effects on Shear-Flow Stress” (Kececioglu, Dimitri, 1958, Trans. ASME, 80, pp. 158–167)
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Topics: Metal cutting, Shear (Mechanics), Shear flow, Stress
Proceedings Papers

A Pipeline Dent Assessment Model Considering Localised Effects

A. Dinovitzer, A. Bhatia, R. Walker, R. Lazor
Proc. ASME. IPC2000, Volume 2: Integrity and Corrosion; Offshore Issues; Pipeline Automation and Measurement; Rotating Equipment, V002T06A008, October 1–5, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IPC2000-188
https://doi.org/10.1115/IPC2000-188
View Paper titled, A Pipeline Dent Assessment Model Considering Localised Effects
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Topics: Pipelines, Pipes, Service life (Equipment), Corrosion, Fracture (Materials), Algorithms, Finite element model, Fracture mechanics, Maintenance, Metals
Proceedings Papers

Exposure of Ceramics and Ceramic Matrix Composites in Simulated and Actual Combustor Environments

Karren L. More, Peter F. Tortorelli, Mattison K. Ferber, Larry R. Walker, James R. Keiser, Narendernath Miriyala, William D. Brentnall, Jeffrey R. Price
Proc. ASME. GT1999, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General, V004T02A009, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-292
https://doi.org/10.1115/99-GT-292
View Paper titled, Exposure of Ceramics and Ceramic Matrix Composites in Simulated and Actual Combustor Environments
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Topics: Ceramic matrix composites, Ceramics, Combustion chambers, Damage, Furnaces, Gas turbines, High pressure (Physics), High temperature, Stability, Steam
Proceedings Papers

Inline Inspection: Both Effective Data Collection and Interpretation Needed to Achieve High Quality Reporting Results

James R. Walker, Paul Mallaburn, Derek Balmer
Proc. ASME. IPC2010, 2010 8th International Pipeline Conference, Volume 1, 187-196, September 27–October 1, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IPC2010-31112
https://doi.org/10.1115/IPC2010-31112
View Paper titled, Inline Inspection: Both Effective Data Collection and Interpretation Needed to Achieve High Quality Reporting Results
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Topics: Data collection, Inspection, Pipelines, American Petroleum Institute, Decision making, Design, Engineering standards, Financial risk, Performance, Quality control
Proceedings Papers

Primary Surface Recuperator Alloy Oxidation: A Comparison of Accelerated Engine Testing to Field Operation

Wendy J. Matthews, Karren L. More, Larry R. Walker
Proc. ASME. GT2010, Volume 5: Industrial and Cogeneration; Microturbines and Small Turbomachinery; Oil and Gas Applications; Wind Turbine Technology, 263-269, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22121
https://doi.org/10.1115/GT2010-22121
View Paper titled, Primary Surface Recuperator Alloy Oxidation: A Comparison of Accelerated Engine Testing to Field Operation
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Topics: Alloys, Engines, Oxidation, Testing, Microturbines, Steady state, Turbines, Collaboration, Domes (Structural elements), Exhaust systems
Journal Articles

Primary Surface Recuperator Alloy Oxidation: A Comparison of Accelerated Engine Testing to Field Operation

Wendy J. Matthews, Karren L. More, Larry R. Walker
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 2011, 133(4): 042302.
https://doi.org/10.1115/1.4002174
Published Online: November 23, 2010
View Article titled, Primary Surface Recuperator Alloy Oxidation: A Comparison of Accelerated Engine Testing to Field Operation
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Topics: Alloys, Engines, Oxidation, Steady state, Temperature, Testing, Microturbines, Turbines
Proceedings Papers

Microstructural and Mechanical Characterization of a Hybrid Oxide CMC Combustor Liner After 25,000-Hour Engine Test

Karren L. More, Larry R. Walker, Yanli Wang, Edgar Lara-Curzio, Tracie M. Brummett, Mark van Roode, Jeffrey R. Price, Andy Szweda, Gary Merrill
Proc. ASME. GT2009, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Controls, Diagnostics and Instrumentation; Education; Electric Power; Awards and Honors, 255-263, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-59223
https://doi.org/10.1115/GT2009-59223
View Paper titled, Microstructural and Mechanical Characterization of a Hybrid Oxide CMC Combustor Liner After 25,000-Hour Engine Test
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Topics: Ceramic matrix composites, Combustion chambers, Engines, Damage, Ceramics, Composite materials, Fibers, Insulation, Combustion gases, Cycles
Proceedings Papers

Comparison of Three Microturbine Primary Surface Recuperator Alloys

Wendy J. Matthews, Karren L. More, Larry R. Walker
Proc. ASME. GT2009, Volume 5: Microturbines and Small Turbomachinery; Oil and Gas Applications, 1-9, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-59041
https://doi.org/10.1115/GT2009-59041
View Paper titled, Comparison of Three Microturbine Primary Surface Recuperator Alloys
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Topics: Alloys, Microturbines, Stainless steel, Oxidation, Water vapor, Combustion, Exhaust systems, Incrustations, Nickel, Temperature
Journal Articles

Comparison of Three Microturbine Primary Surface Recuperator Alloys

Wendy J. Matthews, Karren L. More, Larry R. Walker
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2010, 132(2): 022302.
https://doi.org/10.1115/1.3157094
Published Online: November 5, 2009
View Article titled, Comparison of Three Microturbine Primary Surface Recuperator Alloys
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Topics: Alloys, Microturbines, Oxidation, Stainless steel, Turbines, Temperature, Combustion, Engines
Proceedings Papers

Long-Term Microturbine Exposure of an Advanced Alloy for Microturbine Primary Surface Recuperators

Wendy J. Matthews, Karren L. More, Larry R. Walker
Proc. ASME. GT2008, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Manufacturing, Materials and Metallurgy; Microturbines and Small Turbomachinery, 579-586, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-50037
https://doi.org/10.1115/GT2008-50037
View Paper titled, Long-Term Microturbine Exposure of an Advanced Alloy for Microturbine Primary Surface Recuperators
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Topics: Alloys, Microturbines, Steady state, Turbines, Collaboration, Engines, Oxidation, Temperature
Journal Articles

Friction Reduction in Metal on Metal Hip Joint

D. Choudhury, R. Walker, P. Ingle, K. Cheah, J. Dowell
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Design Of Medical Devices Conference Abstracts
J. Med. Devices. June 2009, 3(2): 027509.
https://doi.org/10.1115/1.3135148
Published Online: June 30, 2009
View Article titled, Friction Reduction in Metal on Metal Hip Joint
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Topics: DNA, Friction, Lubrication, Metals, Orthopedics, Prostheses, Proteins, Surface roughness, Surface texture, Surgery
Proceedings Papers

Accelerated Oxidation of Type 347 Stainless Steel Primary Surface Recuperators Operating Above 600°C

Wendy J. Matthews, Karren L. More, Larry R. Walker
Proc. ASME. GT2007, Volume 3: Turbo Expo 2007, 821-828, May 14–17, 2007
Publisher: American Society of Mechanical Engineers
Paper No: GT2007-27190
https://doi.org/10.1115/GT2007-27190
View Paper titled, Accelerated Oxidation of Type 347 Stainless Steel Primary Surface Recuperators Operating Above 600°C
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Topics: Oxidation, Stainless steel, Microturbines, Alloys, Operating temperature, Water vapor, Collaboration, Engines, Exhaust systems, Incrustations
Journal Articles

Long-Term Microturbine Exposure of an Advanced Alloy for Microturbine Primary Surface Recuperators

Wendy J. Matthews, Karren L. More, Larry R. Walker
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2009, 131(3): 032301.
https://doi.org/10.1115/1.2966419
Published Online: February 6, 2009
View Article titled, Long-Term Microturbine Exposure of an Advanced Alloy for Microturbine Primary Surface Recuperators
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Topics: Alloys, Engines, Microturbines, Oxidation, Steady state, Temperature, Turbines
Proceedings Papers

Evaluating Environmental Barrier Coatings on Ceramic Matrix Composites After Engine and Laboratory Exposures

Karren L. More, Peter L. Tortorelli, Larry R. Walker, Josh B. Kimmel, Narendernath Miriyala, Jeffrey R. Price, Harry E. Eaton, Ellen Y. Sun, Gary D. Linsey
Proc. ASME. GT2002, Volume 4: Turbo Expo 2002, Parts A and B, 155-162, June 3–6, 2002
Publisher: American Society of Mechanical Engineers
Paper No: GT2002-30630
https://doi.org/10.1115/GT2002-30630
View Paper titled, Evaluating Environmental Barrier Coatings on Ceramic Matrix Composites After Engine and Laboratory Exposures
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Topics: Ceramic matrix composites, Coatings, Engines, Oxidation, Combustion chambers, Composite materials, Damage, Fiber reinforced ceramics, High pressure (Physics), High temperature
Proceedings Papers

Verification of an EBC’s Protective Capability by First-Stage Evaluation in a High Temperature, High-Pressure Furnace

Karren L. More, Peter F. Tortorelli, Larry R. Walker
Proc. ASME. GT2003, Volume 1: Turbo Expo 2003, 669-675, June 16–19, 2003
Publisher: American Society of Mechanical Engineers
Paper No: GT2003-38923
https://doi.org/10.1115/GT2003-38923
View Paper titled, Verification of an EBC’s Protective Capability by First-Stage Evaluation in a High Temperature, High-Pressure Furnace
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Topics: Furnaces, High pressure (Physics), High temperature, Water, Ceramics, Coatings, Composite materials, Failure, Fiber reinforced ceramics, Temperature
Proceedings Papers

Engine Testing of an Advanced Alloy for Microturbine Primary Surface Recuperators

Wendy J. Matthews, Terry Bartel, Dwaine L. Klarstrom, Larry R. Walker
Proc. ASME. GT2005, Volume 1: Turbo Expo 2005, 1005-1009, June 6–9, 2005
Publisher: American Society of Mechanical Engineers
Paper No: GT2005-68781
https://doi.org/10.1115/GT2005-68781
View Paper titled, Engine Testing of an Advanced Alloy for Microturbine Primary Surface Recuperators
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Topics: Alloys, Engines, Microturbines, Testing
Journal Articles

Exposure of Ceramics and Ceramic Matrix Composites in Simulated and Actual Combustor Environments

Karren L. More, Peter F. Tortorelli, Mattison K. Ferber, Larry R. Walker, James R. Keiser, Narendernath Miriyala, William D. Brentnall, Jeffrey R. Price
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. April 2000, 122(2): 212–218.
https://doi.org/10.1115/1.483197
Published Online: January 3, 2000
View Article titled, Exposure of Ceramics and Ceramic Matrix Composites in Simulated and Actual Combustor Environments
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Topics: Ceramic matrix composites, Ceramics, Combustion chambers, Damage, Gas turbines, Corrosion, Steam, Furnaces
Journal Articles

Comparison of Returnable Paper and Plastic Corrugated Packaging Trays for the United States Postal Service

SP Singh, R Walker, D Close
Journal: Journal of Testing and Evaluation
Publisher: ASTM International
Article Type: Research-Article
J. Test. Eval.. July 1999, 27(4): 296–300.
https://doi.org/10.1520/JTE12227J
Published Online: July 1, 1999
View Article titled, Comparison of Returnable Paper and Plastic Corrugated Packaging Trays for the United States Postal Service
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Journal Articles

Motions of an Unstable Retainer in an Instrument Ball Bearing

E. Kingsbury, R. Walker
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. April 1994, 116(2): 202–208.
https://doi.org/10.1115/1.2927197
Published Online: April 1, 1994
View Article titled, Motions of an Unstable Retainer in an Instrument Ball Bearing
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Topics: Ball bearings, Instrumentation, Rotation, Whirls, Probes, Signals, Fibers