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Journal Articles

Effect of Temperature on Microparticle Rebound Characteristics at Constant Impact Velocity—Part I

J. M. Delimont, M. K. Murdock, W. F. Ng, S. V. Ekkad

J. Eng. Gas Turbines Power. November 2015, 137(11): 112603.

Paper No: GTP-15-1021

DOI: https://doi.org/10.1115/1.4030312

Published Online: November 1, 2015

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Topics: Particulate matter, Temperature, Sands

Journal Articles

Effect of Temperature on Microparticle Rebound Characteristics at Constant Impact Velocity—Part II

J. M. Delimont, M. K. Murdock, W. F. Ng, S. V. Ekkad

J. Eng. Gas Turbines Power. November 2015, 137(11): 112604.

Paper No: GTP-15-1022

DOI: https://doi.org/10.1115/1.4030313

Published Online: November 1, 2015

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Topics: Particulate matter, Temperature, Sands

Proceedings Papers

Experimental and Computational Analysis of Film Cooling Hole Performance on a High Temperature Test Rig

S. Ramesh, S. V. Ekkad, D. L. Straub, S. A. Lawson, M. A. Alvin

Proc. ASME. IMECE2014, Volume 8B: Heat Transfer and Thermal Engineering, V08BT10A007, November 14–20, 2014

Paper No: IMECE2014-38735

DOI: https://doi.org/10.1115/IMECE2014-38735

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Topics: Film cooling, High temperature, Temperature, Coolants, Cooling, Engines, Metals, Alloys, Computational fluid dynamics, Computer simulation

Proceedings Papers

Direct-Coupling Simulation of Thermal-Hydraulic and Stress Analysis in a Cross-Wave Primary Surface Heat Exchanger

J. Zhang, T. Ma, M. Zeng, S. V. Ekkad, Q. W. Wang

Proc. ASME. IMECE2014, Volume 8A: Heat Transfer and Thermal Engineering, V08AT10A050, November 14–20, 2014

Paper No: IMECE2014-37325

DOI: https://doi.org/10.1115/IMECE2014-37325

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Topics: Heat exchangers, Simulation, Stress analysis (Engineering), Waves, Stress, Computational fluid dynamics, Computer-aided engineering, Fluid dynamics, Temperature, Displacement

Proceedings Papers

Effect of Near Melting Temperatures on Microparticle Sand Rebound Characteristics at Constant Impact Velocity

J. M. Delimont, M. K. Murdock, W. F. Ng, S. V. Ekkad

Proc. ASME. GT2014, Volume 1A: Aircraft Engine; Fans and Blowers, V01AT01A012, June 16–20, 2014

Paper No: GT2014-25686

DOI: https://doi.org/10.1115/GT2014-25686

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Topics: Melting, Microparticles, Sands, Temperature, Particulate matter, Dust, Engines, Gas turbines, Glass transition, Microscopes

Proceedings Papers

Effect of Temperature on Microparticle Rebound Characteristics at Constant Impact Velocity

J. M. Delimont, M. K. Murdock, W. F. Ng, S. V. Ekkad

Proc. ASME. GT2014, Volume 1A: Aircraft Engine; Fans and Blowers, V01AT01A013, June 16–20, 2014

Paper No: GT2014-25687

DOI: https://doi.org/10.1115/GT2014-25687

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Topics: Microparticles, Temperature, Particulate matter, Engines, Flow (Dynamics), Gas turbines, Stainless steel, Dust, Erosion, Particle collisions

Proceedings Papers

Comparison of Data Processing Techniques for Convective Heat Transfer Measurements in a Transient Transonic Hot Wind Tunnel

S. Xue, A. Roy, W. F. Ng, S. V. Ekkad

Proc. ASME. GTINDIA2013, ASME 2013 Gas Turbine India Conference, V001T04A011, December 5–6, 2013

Paper No: GTINDIA2013-3733

DOI: https://doi.org/10.1115/GTINDIA2013-3733

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Topics: Convection, Transients (Dynamics), Wind tunnels, Curve fitting, Errors

Proceedings Papers

Study of Microparticle Rebound Characteristics Under High Temperature Conditions

C. J. Reagle, J. M. Delimont, W. F. Ng, S. V. Ekkad

Proc. ASME. GT2013, Volume 2: Aircraft Engine; Coal, Biomass and Alternative Fuels; Cycle Innovations, V002T03A011, June 3–7, 2013

Paper No: GT2013-95083

DOI: https://doi.org/10.1115/GT2013-95083

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Topics: High temperature, Microparticles, Temperature, Flow (Dynamics), Gas turbines, Particulate matter, Dust, Energy transformation, Heating, Operating temperature

Journal Articles

Study of Microparticle Rebound Characteristics Under High Temperature Conditions

C. J. Reagle, J. M. Delimont, W. F. Ng, S. V. Ekkad

J. Eng. Gas Turbines Power. January 2014, 136(1): 011501.

Paper No: GTP-13-1195

DOI: https://doi.org/10.1115/1.4025346

Published Online: October 21, 2013

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Topics: Microparticles, Particulate matter, Temperature, Flow (Dynamics), High temperature, Sands, Instrumentation

Proceedings Papers

A Novel Optical Technique for Measuring the Coefficient of Restitution of Microparticle Impacts in a Forced Flowfield

C. J. Reagle, J. M. Delimont, W. F. Ng, S. V. Ekkad, V. P. Rajendran

Proc. ASME. GT2012, Volume 7: Structures and Dynamics, Parts A and B, 1-9, June 11–15, 2012

Paper No: GT2012-68252

DOI: https://doi.org/10.1115/GT2012-68252

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Topics: Microparticles, Particulate matter, Sands, Temperature, Dust, Engines, Erosion, Gas turbines, Glass beads, Numerical analysis

Journal Articles

Novel Jet Impingement Cooling Geometry for Combustor Liner Backside Cooling

E. I. Esposito, S. V. Ekkad, Yong Kim, Partha Dutta

J. Thermal Sci. Eng. Appl. June 2009, 1(2): 021001.

DOI: https://doi.org/10.1115/1.3202799

Published Online: August 20, 2009

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Topics: Combustion chambers, Cooling, Design, Geometry, Heat transfer, Impingement cooling, Jets, Liquid crystals, Reynolds number, Flow (Dynamics)

Proceedings Papers

Comparing Extended Port and Corrugated Wall Jet Impingement Geometry for Combustor Liner Backside Cooling

E. I. Esposito, S. V. Ekkad, Yong Kim, Partha Dutta

Proc. ASME. GT2007, Volume 4: Turbo Expo 2007, Parts A and B, 1347-1354, May 14–17, 2007

Paper No: GT2007-27390

DOI: https://doi.org/10.1115/GT2007-27390

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Topics: Combustion chambers, Cooling, Geometry, Reynolds number, Jets, Heat transfer, Coolants, Design, Gas turbines, Gates (Closures)

Proceedings Papers

The Effects of Feeding Configurations to Water Flooding and General Performance of a Proton Exchange Membrane Fuel Cell

A. B. Mahmud Hasan, S. M. Guo, S. V. Ekkad

Proc. ASME. IMECE2005, Advanced Energy Systems, 429-435, November 5–11, 2005

Paper No: IMECE2005-81268

DOI: https://doi.org/10.1115/IMECE2005-81268

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Topics: Floods, Proton exchange membrane fuel cells, Water, Anodes, Current density, Power density, Density, Flow (Dynamics), Fuels, Plates (structures)

Journal Articles

Influence of Crossflow-Induced Swirl and Impingement on Heat Transfer in an Internal Coolant Passage of a Turbine Airfoil

S. V. Ekkad, Assistant Professor, Assoc. Mem. ASME, G. Pamula, Graduate Student, Mem. ASME, S. Acharya, L. R. Daniel Professor, Fellow ASME

J. Heat Transfer. August 2000, 122(3): 587–597.

DOI: https://doi.org/10.1115/1.1289020

Published Online: April 12, 2000

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Topics: Flow (Dynamics), Heat transfer, Reynolds number, Coolants, Pressure drop, Turbines

Journal Articles

Effect of Unsteady Wake With Trailing Edge Coolant Ejection on Film Cooling Performance for a Gas Turbine Blade

H. Du, S. V. Ekkad, J.-C. Han

J. Turbomach. July 1999, 121(3): 448–455.

DOI: https://doi.org/10.1115/1.2841337

Published Online: July 1, 1999

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Topics: Blades, Coolants, Film cooling, Gas turbines, Wakes, Heat transfer coefficients, Generators, Boundary layers, Cascades (Fluid dynamics), Heat transfer

Journal Articles

Detailed Film Cooling Measurements on a Cylindrical Leading Edge Model: Effect of Free-Stream Turbulence and Coolant Density

S. V. Ekkad, J. C. Han, H. Du

J. Turbomach. October 1998, 120(4): 799–807.

DOI: https://doi.org/10.1115/1.2841792

Published Online: October 1, 1998

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Topics: Coolants, Density, Film cooling, Turbulence, Carbon dioxide, Cylinders, Heat transfer coefficients, Liquid crystals, Transients (Dynamics), Reynolds number

Journal Articles

Effect of Unsteady Wake on Detailed Heat Transfer Coefficient and Film Effectiveness Distributions for a Gas Turbine Blade

H. Du, J. C. Han, S. V. Ekkad

J. Turbomach. October 1998, 120(4): 808–817.

DOI: https://doi.org/10.1115/1.2841793

Published Online: October 1, 1998

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Topics: Blades, Gas turbines, Heat transfer coefficients, Wakes, Coolants, Film cooling, Carbon dioxide, Density, Cascades (Fluid dynamics), Suction

Journal Articles

Film Effectiveness Over a Flat Surface With Air and CO 2 Injection Through Compound Angle Holes Using a Transient Liquid Crystal Image Method

S. V. Ekkad, D. Zapata, J. C. Han

J. Turbomach. July 1997, 119(3): 587–593.

DOI: https://doi.org/10.1115/1.2841162

Published Online: July 1, 1997

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Topics: Liquid crystals, Tertiary petroleum recovery, Transients (Dynamics), Coolants, Density, Carbon dioxide, Film cooling, Gas turbines, Heat transfer coefficients, Turbulence

Journal Articles

Combined Effect of Grid Turbulence and Unsteady Wake on Film Effectiveness and Heat Transfer Coefficient of a Gas Turbine Blade With Air and CO 2 Film Injection

S. V. Ekkad, A. B. Mehendale, J. C. Han, C. P. Lee

J. Turbomach. July 1997, 119(3): 594–600.

DOI: https://doi.org/10.1115/1.2841163

Published Online: July 1, 1997

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Topics: Blades, Carbon dioxide, Gas turbines, Heat transfer coefficients, Turbulence, Wakes, Cascades (Fluid dynamics), Chords (Trusses), Density, Pressure

Journal Articles

Heat Transfer Coefficients Over a Flat Surface With Air and CO 2 Injection Through Compound Angle Holes Using a Transient Liquid Crystal Image Method

S. V. Ekkad, D. Zapata, J. C. Han

J. Turbomach. July 1997, 119(3): 580–586.

DOI: https://doi.org/10.1115/1.2841161

Published Online: July 1, 1997

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Topics: Heat transfer coefficients, Liquid crystals, Tertiary petroleum recovery, Transients (Dynamics), Coolants, Density, Carbon dioxide, Coating processes, Coatings, Film cooling

Journal citation

NARROW

Effect of Temperature on Microparticle Rebound Characteristics at Constant Impact Velocity—Part I

Effect of Temperature on Microparticle Rebound Characteristics at Constant Impact Velocity—Part II

Experimental and Computational Analysis of Film Cooling Hole Performance on a High Temperature Test Rig

Direct-Coupling Simulation of Thermal-Hydraulic and Stress Analysis in a Cross-Wave Primary Surface Heat Exchanger

Effect of Near Melting Temperatures on Microparticle Sand Rebound Characteristics at Constant Impact Velocity

Effect of Temperature on Microparticle Rebound Characteristics at Constant Impact Velocity

Comparison of Data Processing Techniques for Convective Heat Transfer Measurements in a Transient Transonic Hot Wind Tunnel

Study of Microparticle Rebound Characteristics Under High Temperature Conditions

Study of Microparticle Rebound Characteristics Under High Temperature Conditions

A Novel Optical Technique for Measuring the Coefficient of Restitution of Microparticle Impacts in a Forced Flowfield

Novel Jet Impingement Cooling Geometry for Combustor Liner Backside Cooling

Comparing Extended Port and Corrugated Wall Jet Impingement Geometry for Combustor Liner Backside Cooling

The Effects of Feeding Configurations to Water Flooding and General Performance of a Proton Exchange Membrane Fuel Cell

Influence of Crossflow-Induced Swirl and Impingement on Heat Transfer in an Internal Coolant Passage of a Turbine Airfoil

Effect of Unsteady Wake With Trailing Edge Coolant Ejection on Film Cooling Performance for a Gas Turbine Blade

Detailed Film Cooling Measurements on a Cylindrical Leading Edge Model: Effect of Free-Stream Turbulence and Coolant Density

Effect of Unsteady Wake on Detailed Heat Transfer Coefficient and Film Effectiveness Distributions for a Gas Turbine Blade

Film Effectiveness Over a Flat Surface With Air and CO 2 Injection Through Compound Angle Holes Using a Transient Liquid Crystal Image Method

Combined Effect of Grid Turbulence and Unsteady Wake on Film Effectiveness and Heat Transfer Coefficient of a Gas Turbine Blade With Air and CO 2 Film Injection

Heat Transfer Coefficients Over a Flat Surface With Air and CO 2 Injection Through Compound Angle Holes Using a Transient Liquid Crystal Image Method

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