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Proceedings Papers

Thermal Modeling in Metal Additive Manufacturing Using Graph Theory: Experimental Validation With In-Situ Infrared Thermography Data From Laser Powder Bed Fusion

Reza Yavari, Richard Williams, Kevin Cole, Paul Hooper, Prahalad Rao
Proc. ASME. MSEC2020, Volume 1: Additive Manufacturing; Advanced Materials Manufacturing; Biomanufacturing; Life Cycle Engineering; Manufacturing Equipment and Automation, V001T01A028, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2020-8433
https://doi.org/10.1115/MSEC2020-8433
View Paper titled, Thermal Modeling in Metal Additive Manufacturing Using Graph Theory: Experimental Validation With In-Situ Infrared Thermography Data From Laser Powder Bed Fusion
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Topics: Additive manufacturing, Cooling, Lasers, Metals, Modeling, Thermography
Proceedings Papers

Demonstration of a Dynamic Clearance Seal in a Rotating Steam Test Facility

Andrew Messenger, Richard Williams, Grant Ingram, Simon Hogg, Philip Reggentin
Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A028, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91605
https://doi.org/10.1115/GT2019-91605
View Paper titled, Demonstration of a Dynamic Clearance Seal in a Rotating Steam Test Facility
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Topics: Clearances (Engineering), Steam, Test facilities, Rotors, Design, Machinery, Sealing (Process), Stress, Collaboration, Fluids
Proceedings Papers

Fracture Toughness Behaviour of 316L Stainless Steel Samples Manufactured Through Selective Laser Melting

Catrin M. Davies, Ruijan Zhou, Olivia Withnell, Richard Williams, Tobias Ronneberg, Paul A. Hooper
Proc. ASME. PVP2018, Volume 6A: Materials and Fabrication, V06AT06A006, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-84393
https://doi.org/10.1115/PVP2018-84393
View Paper titled, Fracture Toughness Behaviour of 316L Stainless Steel Samples Manufactured Through Selective Laser Melting
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Topics: Fracture toughness, Lasers, Melting, Stainless steel, Fracture (Materials), Fracture mechanics, Heat, Heat treating (Metalworking), Manufacturing, Tension
Proceedings Papers

Demonstration of a Dynamic Clearance Seal in a Rotating Test Facility

Andrew Messenger, Richard Williams, Grant Ingram, Simon Hogg, Stacie Tibos, Jon Seaton, Bernard Charnley
Proc. ASME. GT2017, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T29A030, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64285
https://doi.org/10.1115/GT2017-64285
View Paper titled, Demonstration of a Dynamic Clearance Seal in a Rotating Test Facility
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Topics: Clearances (Engineering), Test facilities, Rotors, Steam turbines, Turbines, Damage, Design, Leakage, Steam, Testing
Proceedings Papers

Experimental and Numerical Development of a Dynamic Clearance Seal for Steam Turbine Application

Andrew Messenger, Richard Williams, Grant Ingram, Simon Hogg, Stacie Tibos, Jon Seaton, Bernard Charnley
Proc. ASME. GT2016, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A023, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56995
https://doi.org/10.1115/GT2016-56995
View Paper titled, Experimental and Numerical Development of a Dynamic Clearance Seal for Steam Turbine Application
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Topics: Clearances (Engineering), Steam turbines, Design, Rotors, Analytical design, Computational fluid dynamics, Flow (Dynamics), Test facilities, Turbochargers
Proceedings Papers

A Dynamic Clearance Seal for Steam Turbine Application

Andrew Messenger, Richard Williams, Grant Ingram, Simon Hogg, Stacie Tibos, Jon Seaton
Proc. ASME. GT2015, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A031, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43471
https://doi.org/10.1115/GT2015-43471
View Paper titled, A Dynamic Clearance Seal for Steam Turbine Application
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Topics: Clearances (Engineering), Steam turbines, Design, Leakage flows, Sealing (Process), Stress, Energy resources, Flow (Dynamics), Mechanical properties, Power stations
Proceedings Papers

Secondary Flows and Fillet Radii in a Linear Turbine Cascade

Sebastian Mank, Lukas Duerrwaechter, Michael Hilfer, Richard Williams, Simon Hogg, Grant Ingram
Proc. ASME. GT2014, Volume 2C: Turbomachinery, V02CT38A011, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25458
https://doi.org/10.1115/GT2014-25458
View Paper titled, Secondary Flows and Fillet Radii in a Linear Turbine Cascade
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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Turbines, Blades, Accounting, Boundary layers, Computation, Computational fluid dynamics, Corners (Structural elements), Machinery
Proceedings Papers

Quantifying the Economic Benefits of Wind Turbine Condition Monitoring

Richard Williams, Christopher Crabtree, Simon Hogg
Proc. ASME. GT2014, Volume 3B: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Supercritical CO2 Power Cycles; Wind Energy, V03BT46A022, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26206
https://doi.org/10.1115/GT2014-26206
View Paper titled, Quantifying the Economic Benefits of Wind Turbine Condition Monitoring
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Topics: Condition monitoring, Wind turbines, Flaw detection, Ocean engineering, Clearances (Engineering), Cost benefit analysis, Downtime, Failure, Maintenance, Monitoring systems
Proceedings Papers

Offshore Wind Farm Asset Management: Past Experiences and Future Challenges

Richard Williams, Christopher Crabtree, Simon Hogg
Proc. ASME. GT2013, Volume 8: Supercritical CO2 Power Cycles; Wind Energy; Honors and Awards, V008T44A012, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94434
https://doi.org/10.1115/GT2013-94434
View Paper titled, Offshore Wind Farm Asset Management: Past Experiences and Future Challenges
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Topics: Ocean engineering, Wind farms, Cycles, Maintenance, Wind
Proceedings Papers

Large Tip Clearance Flows in Two Compressor Cascades

Richard Williams, Grant Ingram, David Gregory-Smith
Proc. ASME. GT2010, Volume 7: Turbomachinery, Parts A, B, and C, 391-402, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22952
https://doi.org/10.1115/GT2010-22952
View Paper titled, Large Tip Clearance Flows in Two Compressor Cascades
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Topics: Clearances (Engineering), Compressors, Flow (Dynamics), Cascades (Fluid dynamics), Blades, Geometry, High pressure (Physics), Boundary layers, Design, Diffusion (Physics)
Journal Articles

Experiments and Computations on Large Tip Clearance Effects in a Linear Cascade

Richard Williams, David Gregory-Smith, Li He, Grant Ingram
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2010, 132(2): 021018.
https://doi.org/10.1115/1.3104611
Published Online: January 20, 2010
View Article titled, Experiments and Computations on Large Tip Clearance Effects in a Linear Cascade
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Topics: Blades, Cascades (Fluid dynamics), Clearances (Engineering), Flow (Dynamics), Pressure, Computational fluid dynamics, Vortices
Proceedings Papers

Experiments and Computations on Large Tip Clearance Effects in a Linear Cascade

Richard Williams, David Gregory-Smith, Li He, Grant Ingram
Proc. ASME. GT2008, Volume 6: Turbomachinery, Parts A, B, and C, 335-347, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-50557
https://doi.org/10.1115/GT2008-50557
View Paper titled, Experiments and Computations on Large Tip Clearance Effects in a Linear Cascade
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Topics: Cascades (Fluid dynamics), Clearances (Engineering), Computation, Blades, Compressors, Flow (Dynamics), Design, Industrial gases, Pressure, Turbines
Proceedings Papers

Managing Climate Change Risk: Emerging Financial Sector Expectations

Richard Williams
Proc. ASME. IPC2004, 2004 International Pipeline Conference, Volumes 1, 2, and 3, 525-531, October 4–8, 2004
Publisher: American Society of Mechanical Engineers
Paper No: IPC2004-0765
https://doi.org/10.1115/IPC2004-0765
View Paper titled, Managing Climate Change Risk: Emerging Financial Sector Expectations
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Topics: Climate change, Risk, Risk management
Proceedings Papers

Experience With Emergency Response Planning and Rotor Flux Monitoring to Improve Generator Reliability

Richard Williams, Paul Michael
Proc. ASME. POWER2005, ASME 2005 Power Conference, 499-507, April 5–7, 2005
Publisher: American Society of Mechanical Engineers
Paper No: PWR2005-50214
https://doi.org/10.1115/PWR2005-50214
View Paper titled, Experience With Emergency Response Planning and Rotor Flux Monitoring to Improve Generator Reliability
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Topics: Emergency response, Generators, Reliability, Rotors
Proceedings Papers

A Study of Large Tip Clearance Flows in an Axial Compressor Blade Row

Richard Williams, David Gregory-Smith, Li He
Proc. ASME. GT2006, Volume 6: Turbomachinery, Parts A and B, 251-259, May 8–11, 2006
Publisher: American Society of Mechanical Engineers
Paper No: GT2006-90463
https://doi.org/10.1115/GT2006-90463
View Paper titled, A Study of Large Tip Clearance Flows in an Axial Compressor Blade Row
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Topics: Blades, Clearances (Engineering), Compressors, Flow (Dynamics), Vortices, Cascades (Fluid dynamics), Pressure, Computational methods, Degrees of freedom, High pressure (Physics)