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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
Journal: Journal of Turbomachinery
Article Type: Research Papers
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
Proceedings Papers

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 Ekkad, Hanjie Lee, Yin-Hsiang Ho
Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT11A002, June 7–11, 2021
Paper No: GT2021-59312
DOI: https://doi.org/10.1115/GT2021-59312
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Topics: Combustion, Combustion chambers, Cooling
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
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Research Papers
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
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Research Papers
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
Proceedings Papers

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 Ekkad, Federico Liberatore, Yin-Hsiang Ho
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT11A002, September 21–25, 2020
Paper No: GT2020-14429
DOI: https://doi.org/10.1115/GT2020-14429
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Topics: Combustion chambers, Heat, Heat transfer, Nitrogen oxides, Stress, Transients (Dynamics), Flames, Flow (Dynamics), Fuels, Reynolds number
Proceedings Papers

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

Shoaib Ahmed, Kishore Ranganath Ramakrishnan, Srinath Ekkad, Prashant Singh, Federico Liberatore, Yin-Hsiang Ho
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT11A008, September 21–25, 2020
Paper No: GT2020-15221
DOI: https://doi.org/10.1115/GT2020-15221
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Topics: Combustion, Combustion chambers, Cooling
Journal Articles

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

Shoaib Ahmed, Prashant Singh, Srinath V. Ekkad
Journal: Journal of Heat Transfer
Article Type: Research-Article
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

Gas Turbine Combustor Liner Wall Heat Load Characterization for Different Gaseous Fuels

Kishore Ranganath Ramakrishnan, Shoaib Ahmed, Benjamin Wahls, Prashant Singh, Maria A. Aleman, Kenneth Granlund, Srinath Ekkad, Federico Liberatore, Yin-Hsiang Ho
Proc. ASME. IMECE2019, Volume 8: Heat Transfer and Thermal Engineering, V008T09A019, November 11–14, 2019
Paper No: IMECE2019-11283
DOI: https://doi.org/10.1115/IMECE2019-11283
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Topics: Combustion chambers, Gas turbines, Gaseous fuels, Heat, Stress, Flames, Temperature, Heat flux, Methane, Fuels
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

Effect of Nozzle-to-Target Spacing on Fin Effectiveness and Convective Heat Transfer Coefficient for Array Jet Impingement Onto Novel Micro-Roughness Structures

Prashant Singh, Mingyang Zhang, Shoaib Ahmed, Srinath V. Ekkad
Proc. ASME. IMECE2018, Volume 8A: Heat Transfer and Thermal Engineering, V08AT10A038, November 9–15, 2018
Paper No: IMECE2018-86501
DOI: https://doi.org/10.1115/IMECE2018-86501
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Topics: Convection, Nozzles, Surface roughness, Cooling, Design, Heat, Heat transfer coefficients, Additive manufacturing, Blades, Gas turbines