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Proceedings Papers

Effusion Cooling: Influence of Pressure Drop

Michael Bonds, Jr., Benjamin H. Wahls, Srinath V. Ekkad, Nagaraja Rudrapatna, Rudy Dudebout, Ryan Meyer

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT11A003, June 13–17, 2022

Paper No: GT2022-82067

DOI: https://doi.org/10.1115/GT2022-82067

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Topics: Combustion gases, Cooling, Pressure drop

Journal Articles

Effect of Spanwise Hole-to-Hole Spacing on Overall Cooling Effectiveness of Effusion Cooled Combustor Liners for a Swirl-Stabilized Can Combustor

Shoaib Ahmed, Benjamin H. Wahls, Srinath V. Ekkad, Hanjie Lee, Yin-Hsiang Ho

J. Turbomach. July 2022, 144(7): 071015.

Paper No: TURBO-21-1168

DOI: https://doi.org/10.1115/1.4054442

Published Online: May 27, 2022

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Topics: Combustion chambers, Cooling, Flow (Dynamics), Coolants, Temperature

Journal Articles

Effect of Pin Fins on Jet Impingement Heat Transfer Over a Rotating Disk

Pratik S. Bhansali, Kishore Ranganath Ramakrishnan, Srinath V. Ekkad

J. Heat Transfer. April 2022, 144(4): 042303.

Paper No: HT-21-1503

DOI: https://doi.org/10.1115/1.4053371

Published Online: February 10, 2022

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Topics: Disks, Fins, Flow (Dynamics), Heat transfer, Nozzles, Rotating disks, Rotation, Heat losses, Reynolds number

Includes: Supplementary data

Proceedings Papers

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

Srinath V. Ekkad, Gautam Pamula, Sumanta Acharya

Proc. ASME. IMECE99, Heat Transfer: Volume 1, 227-233, November 14–19, 1999

Paper No: IMECE1999-0989

DOI: https://doi.org/10.1115/IMECE1999-0989

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Topics: Airfoils, Coolants, Cross-flow, Heat transfer, Turbines, Flow (Dynamics), Design, Flow turning, Friction, Heat transfer coefficients

Proceedings Papers

Dimple Enhanced Heat Transfer in High Aspect Ratio Channels

Srinath V. Ekkad, Hasan Nasir

Proc. ASME. IMECE2001, Heat Transfer: Volume 5 — Computational, Aerospace and Environmental Heat Transfer, 385-391, November 11–16, 2001

Paper No: IMECE2001/HTD-24322

DOI: https://doi.org/10.1115/IMECE2001/HTD-24322

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Topics: Heat transfer, Pressure drop, Channel flow, Flow (Dynamics), Heat transfer coefficients, Liquid crystals, Reynolds number, Transients (Dynamics)

Proceedings Papers

Film Cooling on a Flat Surface With a Single Row of Cylindrical Angled Holes: Effect of Discrete Tabs

Srinath V. Ekkad, Hasan Nasir, Sumanta Acharya

Proc. ASME. IMECE2000, Heat Transfer: Volume 3, 3-12, November 5–10, 2000

Paper No: IMECE2000-1455

DOI: https://doi.org/10.1115/IMECE2000-1455

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Topics: Film cooling, Wind tunnels, Liquid crystals, Reynolds number, Transients (Dynamics), Turbulence

Proceedings Papers

Effect of Rotation on Heat Transfer in AR = 2:1 and AR = 4:1 Channels Connected by a Series of Crossover Jets

Srivatsan Madhavan, Prashant Singh, Srinath V. Ekkad

Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A014, June 7–11, 2021

Paper No: GT2021-59426

DOI: https://doi.org/10.1115/GT2021-59426

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Topics: Heat transfer, Jets, Rotation, Cooling, Fins, Flow (Dynamics), Blades, Chords (Trusses), Coolants, Gas turbines

Proceedings Papers

Effect of Variation of Pin-fin Height on Jet Impingement Heat Transfer on a Rotating Surface

Pratik S. Bhansali, Srinath V. Ekkad

Proc. ASME. HT2021, ASME 2021 Heat Transfer Summer Conference, V001T04A006, June 16–18, 2021

Paper No: HT2021-63946

DOI: https://doi.org/10.1115/HT2021-63946

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Topics: Disks, Fins, Heat transfer, Rotating disks, Rotation, Aluminum, Cooling, Gas turbines, Gases, Reynolds number

Journal Articles

Characterization of Transient Wall Heat Load for a Low NOx Lean Premixed Swirl Stabilized Can Combustor Under Reacting Conditions

Kishore Ranganath Ramakrishnan, Shoaib Ahmed, Srinath V. Ekkad

J. Thermal Sci. Eng. Appl. February 2022, 14(2): 021012.

Paper No: TSEA-21-1060

DOI: https://doi.org/10.1115/1.4051375

Published Online: June 22, 2021

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Topics: Combustion chambers, Flames, Heat, Reynolds number, Stress, Transients (Dynamics), Temperature, Nitrogen oxides, Particulate matter, Heat flux

Journal Articles

Overall Cooling Effectiveness of Effusion Cooled Can Combustor Liner Under Reacting and Non-Reacting Conditions

Shoaib Ahmed, Kishore Ranganath Ramakrishnan, Srinath V. Ekkad

J. Thermal Sci. Eng. Appl. February 2022, 14(2): 021009.

Paper No: TSEA-21-1160

DOI: https://doi.org/10.1115/1.4051371

Published Online: June 18, 2021

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Topics: Combustion chambers, Cooling, Flow (Dynamics), Temperature, Coolants

Journal Articles

A Modern Review on Jet Impingement Heat Transfer Methods

Srinath V. Ekkad, Prashant Singh

J. Heat Transfer. June 2021, 143(6): 064001.

Paper No: HT-20-1557

DOI: https://doi.org/10.1115/1.4049496

Published Online: April 21, 2021

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Topics: Heat transfer, Flow (Dynamics), Jets

Proceedings Papers

Parametric Study on Micro-Roughness Shapes for Enhanced Jet Impingement Heat Transfer

Ramaswamy Devakottai, Srivatsan Madhavan, Prashant Singh, Srinath V. Ekkad

Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A018, September 21–25, 2020

Paper No: GT2020-15051

DOI: https://doi.org/10.1115/GT2020-15051

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Topics: Heat transfer, Shapes, Surface roughness

Journal Articles

Professor Satish G. Kandlikar on His 70th Birthday

J. Thermal Sci. Eng. Appl. December 2020, 12(6): 060301.

Paper No: TSEA-20-1603

DOI: https://doi.org/10.1115/1.4048813

Published Online: November 24, 2020

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Topics: Engineering teachers, Heat transfer

Journal Articles

Experimental and Numerical Study of Chord-Wise Eight-Passage Serpentine Cooling Design for Eliminating the Coriolis Force Adverse Effect on Heat Transfer

Prashant Singh, Ajay Sarja, Srinath V. Ekkad

J. Thermal Sci. Eng. Appl. February 2021, 13(1): 011026.

Paper No: TSEA-19-1128

DOI: https://doi.org/10.1115/1.4047655

Published Online: August 11, 2020

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Topics: Coolants, Cooling, Coriolis force, Flow (Dynamics), Fluids, Heat transfer, Heat transfer coefficients, Reynolds number, Rotation, Temperature

Journal Articles

Array Jet Impingement on High Porosity Thin Metal Foams: Effect of Foam Height, Pore-Density, and Spent Air Crossflow Scheme on Flow Distribution and Heat Transfer

Vivek Subramaniam Sambamurthy, Srivatsan Madhavan, Prashant Singh, Srinath V. Ekkad

J. Heat Transfer. November 2020, 142(11): 112301.

Paper No: HT-20-1060

DOI: https://doi.org/10.1115/1.4047560

Published Online: July 17, 2020

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Topics: Density, Flow (Dynamics), Heat transfer, Metal foams, Foams (Chemistry), Heat transfer coefficients, Porosity

Journal Articles

Three-Dimensional Transient Heat Conduction Equation Solution for Accurate Determination of Heat Transfer Coefficient

Shoaib Ahmed, Prashant Singh, Srinath V. Ekkad

J. Heat Transfer. May 2020, 142(5): 051302.

Paper No: HT-19-1279

DOI: https://doi.org/10.1115/1.4044678

Published Online: March 17, 2020

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Topics: Heat conduction, Heat transfer coefficients, Liquid crystals, Thermography, Temperature, Transient heat transfer

Proceedings Papers

Three-Dimensional Transient Heat Conduction Equation Solution for Accurate Quantification of Heat Transfer Coefficient in Transient Liquid Crystal Experiments

Shoaib Ahmed, Prashant Singh, Srinath V. Ekkad

Proc. ASME. IMECE2019, Volume 8: Heat Transfer and Thermal Engineering, V008T09A059, November 11–14, 2019

Paper No: IMECE2019-10760

DOI: https://doi.org/10.1115/IMECE2019-10760

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Topics: Heat conduction, Heat transfer coefficients, Liquid crystals, Transient heat transfer, Transients (Dynamics), Errors, Temperature, Thermography, Heat, Heat transfer

Proceedings Papers

Impingement Heat Transfer of Various Lobe-Shaped Nozzles

Sanskar S. Panse, Srivatsan Madhavan, Prashant Singh, Srinath V. Ekkad

Proc. ASME. IMECE2019, Volume 8: Heat Transfer and Thermal Engineering, V008T09A037, November 11–14, 2019

Paper No: IMECE2019-10660

DOI: https://doi.org/10.1115/IMECE2019-10660

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Topics: Heat transfer, Jets, Nozzles, Thermography, Convection, Diffusion (Physics), Heat transfer coefficients, Reynolds number, Steady state

Proceedings Papers

Effect of Twist Ratio on Heat Transfer Enhancement by Swirl Impingement

Kishore Ranganath Ramakrishnan, Srivatsan Madhavan, Prashant Singh, Srinath V. Ekkad

Proc. ASME. HT2019, ASME 2019 Heat Transfer Summer Conference, V001T05A003, July 14–17, 2019

Paper No: HT2019-3530

DOI: https://doi.org/10.1115/HT2019-3530

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Topics: Heat transfer, Swirling flow, Fluids, Reynolds number, Steady state

Proceedings Papers

Experimental Investigation of Crossflow Diverters in Jet Impingement Cooling

Srivatsan Madhavan, Kishore Ranganath Ramakrishnan, Prashant Singh, Srinath V. Ekkad

Proc. ASME. HT2019, ASME 2019 Heat Transfer Summer Conference, V001T04A001, July 14–17, 2019

Paper No: HT2019-3538

DOI: https://doi.org/10.1115/HT2019-3538

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Topics: Blades, Combustion chambers, Cooling, Deflection, Design, Flow (Dynamics), Gas turbines, Geometry, Heat transfer coefficients, High pressure (Physics)

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Journal citation

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Supplemental Material

Effusion Cooling: Influence of Pressure Drop

Effect of Spanwise Hole-to-Hole Spacing on Overall Cooling Effectiveness of Effusion Cooled Combustor Liners for a Swirl-Stabilized Can Combustor

Effect of Pin Fins on Jet Impingement Heat Transfer Over a Rotating Disk

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

Dimple Enhanced Heat Transfer in High Aspect Ratio Channels

Film Cooling on a Flat Surface With a Single Row of Cylindrical Angled Holes: Effect of Discrete Tabs

Effect of Rotation on Heat Transfer in AR = 2:1 and AR = 4:1 Channels Connected by a Series of Crossover Jets

Effect of Variation of Pin-fin Height on Jet Impingement Heat Transfer on a Rotating Surface

Characterization of Transient Wall Heat Load for a Low NOx Lean Premixed Swirl Stabilized Can Combustor Under Reacting Conditions

Overall Cooling Effectiveness of Effusion Cooled Can Combustor Liner Under Reacting and Non-Reacting Conditions

A Modern Review on Jet Impingement Heat Transfer Methods

Parametric Study on Micro-Roughness Shapes for Enhanced Jet Impingement Heat Transfer

Professor Satish G. Kandlikar on His 70th Birthday

Experimental and Numerical Study of Chord-Wise Eight-Passage Serpentine Cooling Design for Eliminating the Coriolis Force Adverse Effect on Heat Transfer

Array Jet Impingement on High Porosity Thin Metal Foams: Effect of Foam Height, Pore-Density, and Spent Air Crossflow Scheme on Flow Distribution and Heat Transfer

Three-Dimensional Transient Heat Conduction Equation Solution for Accurate Determination of Heat Transfer Coefficient

Three-Dimensional Transient Heat Conduction Equation Solution for Accurate Quantification of Heat Transfer Coefficient in Transient Liquid Crystal Experiments

Impingement Heat Transfer of Various Lobe-Shaped Nozzles

Effect of Twist Ratio on Heat Transfer Enhancement by Swirl Impingement

Experimental Investigation of Crossflow Diverters in Jet Impingement Cooling

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