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Proceedings Papers

The Effect of Forcing on Scalar Transport in a Co-Axial Combustor Geometry

P. R. Chandra, S. Acharya, N. Sebastijanovic, P. Panigrahi

Proc. ASME. IMECE98, Heat Transfer: Volume 2 — Combustion and Radiation Heat Transfer, 57-72, November 15–20, 1998

Paper No: IMECE1998-0620

DOI: https://doi.org/10.1115/IMECE1998-0620

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Topics: Combustion chambers, Geometry, Scalars, Flow (Dynamics), Fuels, Gas turbines, Jets, Temperature profiles

Proceedings Papers

Effect of Multi-Modal Forcing on Thermal Transport in a Co-Axial Combustor Geometry

P. R. Chandra, Chun L. Lau, S. Acharya

Proc. ASME. IMECE2001, Heat Transfer: Volume 1 — Fundamentals of Heat Transfer, 23-32, November 11–16, 2001

Paper No: IMECE2001/HTD-24102

DOI: https://doi.org/10.1115/IMECE2001/HTD-24102

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Topics: Combustion chambers, Geometry, Scalars, Shear (Mechanics), Combustion, Flow (Dynamics), Fuels, Spectra (Spectroscopy), Temperature

Proceedings Papers

The Influence of Turbulence and Reynolds Number on Multiple Slot Film Cooling Over the Suction Surface

L. W. Soma, F. E. Ames, S. Acharya

Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A057, September 21–25, 2020

Paper No: GT2020-15619

DOI: https://doi.org/10.1115/GT2020-15619

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Topics: Film cooling, Reynolds number, Suction, Turbulence, Cooling, Flow (Dynamics), Thin films, Geometry, Heat, Stress

Journal Articles

Significance of the Direct Excitation Mechanism for High-Frequency Response of Premixed Flames to Flow Oscillations

Vishal S. Acharya, Timothy C. Lieuwen

J. Eng. Gas Turbines Power. January 2021, 143(1): 011005.

Paper No: GTP-20-1617

DOI: https://doi.org/10.1115/1.4049204

Published Online: December 23, 2020

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Topics: Acoustics, Excitation, Flames, Nozzles, Combustion chambers, Heat, Fluctuations (Physics), Oscillations, Flow (Dynamics)

Proceedings Papers

The Influence of Turbulence and Reynolds Number on Slot Film Cooling Over the Downstream Pressure Surface

L. W. Soma, F. E. Ames, S. Acharya

Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT19A007, June 17–21, 2019

Paper No: GT2019-90508

DOI: https://doi.org/10.1115/GT2019-90508

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Topics: Film cooling, Pressure, Reynolds number, Turbulence, Cooling, Flow (Dynamics), Jets, Chords (Trusses), Coolants, Density

Proceedings Papers

Heat Transfer and Pressure Drop in a Converging Pedestal Array With Exit Area Variation

L. W. Soma, F. E. Ames, S. Acharya

Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT16A003, June 11–15, 2018

Paper No: GT2018-75578

DOI: https://doi.org/10.1115/GT2018-75578

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Topics: Heat transfer, Pressure drop, Flow (Dynamics), Cooling, Reynolds number, Air flow, Coolants, Diamonds, Failure, Film cooling

Proceedings Papers

Heat Transfer and Pressure Drop Measurements in a High Solidity Pin Fin Array With Variable Hole Size Incremental Impingement

A. A. Sheikhmohamed, L. W. Soma, F. E. Ames, S. Acharya

Proc. ASME. GT2017, Volume 5A: Heat Transfer, V05AT16A018, June 26–30, 2017

Paper No: GT2017-65046

DOI: https://doi.org/10.1115/GT2017-65046

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Topics: Heat transfer, Pressure drop, Cooling, Film cooling, Flow (Dynamics), Pressure, Heat, Jets, Reynolds number, Stress

Proceedings Papers

Vane Suction Surface Heat Transfer in Regions of Secondary Flows: The Influence of Turbulence Level, Reynolds Number and the Endwall Boundary Condition

J. Varty, L. W. Soma, F. E. Ames, S. Acharya

Proc. ASME. GT2017, Volume 5A: Heat Transfer, V05AT13A010, June 26–30, 2017

Paper No: GT2017-65037

DOI: https://doi.org/10.1115/GT2017-65037

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Topics: Boundary-value problems, Flow (Dynamics), Heat transfer, Reynolds number, Suction, Turbulence, Heating, Thermal boundary layers, Vortices, Boundary layer turbulence

Proceedings Papers

An Analysis of a Deposition Tolerant Cooling Approach for Nozzle Guide Vanes

J. E. Kingery, F. E. Ames, J. Downs, S. Acharya, B. J. Barker

Proc. ASME. GT2015, Volume 5B: Heat Transfer, V05BT13A006, June 15–19, 2015

Paper No: GT2015-42419

DOI: https://doi.org/10.1115/GT2015-42419

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Topics: Cooling, Nozzle guide vanes, Design, Film cooling, Turbulence, Boundary-value problems, Engines, Heat, Pressure, Suction

Proceedings Papers

Mechanisms of Turbulence Transport in a Turbine Blade Coolant Passage With a Rib-Turbulator

P. K. Panigrahi, S. Acharya

Proc. ASME. GT1997, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T09A012, June 2–5, 1997

Paper No: 97-GT-119

DOI: https://doi.org/10.1115/97-GT-119

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Topics: Coolants, Turbine blades, Turbulence, Flow (Dynamics), Stress, Boundary layer turbulence, Dynamics (Mechanics), Shear (Mechanics), Shear stress, Accounting

Proceedings Papers

Detailed Mass Transfer Distribution in Rotating, Two-Pass Ribbed Coolant Channels With Vortex Generators

V. Eliades, D. E. Nikitopoulos, S. Acharya

Proc. ASME. GT1999, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A096, June 7–10, 1999

Paper No: 99-GT-424

DOI: https://doi.org/10.1115/99-GT-424

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Topics: Coolants, Generators, Mass transfer, Vortices, Ducts, Rotation, Rods, Heat, Reynolds number, Blades

Proceedings Papers

PLIF and Temperature Measurements in an Actively Forced Swirl-Stabilized Spray Combustor

V. Santhanam, F. C. Knopf, S. Acharya, E. Gutmark

Proc. ASME. GT1999, Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V002T02A022, June 7–10, 1999

Paper No: 99-GT-117

DOI: https://doi.org/10.1115/99-GT-117

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Topics: Combustion chambers, Sprays, Temperature measurement, Fuels, Swirling flow, Combustion, Flames, Vortices, Drops, Shear (Mechanics)

Proceedings Papers

Velocity Measurements in a Combustor Undergoing Limit-Cycle Pressure Oscillations

J. Li, S. Acharya

Proc. ASME. GT2000, Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V002T02A012, May 8–11, 2000

Paper No: 2000-GT-0092

DOI: https://doi.org/10.1115/2000-GT-0092

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Topics: Combustion chambers, Limit cycles, Oscillations, Pressure, Velocity measurement, Combustion, Flow (Dynamics), Drops, Acoustics, Computational fluid dynamics

Proceedings Papers

Heat Transfer Enhancements in Rotating Two-Pass Coolant Channels With Profiled Ribs: Part 1 — Average Results

S. Acharya, V. Eliades, D. E. Nikitopoulos

Proc. ASME. GT2000, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A035, May 8–11, 2000

Paper No: 2000-GT-0227

DOI: https://doi.org/10.1115/2000-GT-0227

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Topics: Coolants, Heat transfer, Ducts, Heat, Flow (Dynamics), Gas turbines, Reynolds number, Rotation, Vorticity

Proceedings Papers

Infrared Measurements of Thermoacoustic Instabilities in a Swirl-Stabilized Combustor

D. Allgood, S. Murugappan, S. Acharya, E. Gutmark

Proc. ASME. GT2000, Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V002T02A016, May 8–11, 2000

Paper No: 2000-GT-0096

DOI: https://doi.org/10.1115/2000-GT-0096

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Topics: Combustion chambers, Heat, Dynamics (Mechanics), Flames, Pressure, Acoustics, Emissions, Ethanol, Flow (Dynamics), Frequency response

Proceedings Papers

Heat Transfer Enhancements in Rotating Two-Pass Coolant Channels With Profiled Ribs: Part 2 — Detailed Measurements

D. E. Nikitopoulos, V. Eliades, S. Acharya

Proc. ASME. GT2000, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A034, May 8–11, 2000

Paper No: 2000-GT-0226

DOI: https://doi.org/10.1115/2000-GT-0226

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Topics: Coolants, Heat transfer, Mass transfer, Heat, Reynolds number, Rotation

Proceedings Papers

Flow Distribution and Heat Transfer Coefficients Inside Gas Holes Discharging Into an Orthogonal Crossflow

S. Acharya, A. Eshtiaghi, R. Schilp

Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 1805-1815, June 6–10, 2011

Paper No: GT2011-46854

DOI: https://doi.org/10.1115/GT2011-46854

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Topics: Flow (Dynamics), Heat transfer coefficients, Heat transfer, Flow simulation, Fluid dynamics, Reynolds number, Separation (Technology), Transient heat transfer, Velocity measurement

Proceedings Papers

Large Eddy Simulations of Film Cooling Flow Fields From Cylindrical and Shaped Holes

D. H. Leedom, S. Acharya

Proc. ASME. GT2008, Volume 4: Heat Transfer, Parts A and B, 865-877, June 9–13, 2008

Paper No: GT2008-51009

DOI: https://doi.org/10.1115/GT2008-51009

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Topics: Film cooling, Flow (Dynamics), Large eddy simulation, Coolants, Engineering simulation, Simulation, Blades, Physics, Shapes

Proceedings Papers

Heat/Mass Transfer in a 4:1 AR Smooth and Ribbed Coolant Passage With Rotation in 90-Degree and 45-Degree Orientations

S. Acharya, P. Agarwal, D. E. Nikitopoulos

Proc. ASME. GT2004, Volume 3: Turbo Expo 2004, 813-824, June 14–17, 2004

Paper No: GT2004-53928

DOI: https://doi.org/10.1115/GT2004-53928

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Topics: Coolants, Heat, Mass transfer, Rotation, Heat transfer, Reynolds number, Turbine blades

Proceedings Papers

Latticework (Vortex) Cooling Effectiveness: Part 2 — Rotating Channel Experiments

S. Acharya, Fuguo Zhou, Jonathan Lagrone, Gazi Mahmood, Ronald S. Bunker

Proc. ASME. GT2004, Volume 3: Turbo Expo 2004, 833-843, June 14–17, 2004

Paper No: GT2004-53983

DOI: https://doi.org/10.1115/GT2004-53983

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Topics: Cooling, Vortices, Heat transfer, Blades, Coolants, Density, Heat transfer coefficients, Rotation, Friction, Geometry

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Journal citation

NARROW

The Effect of Forcing on Scalar Transport in a Co-Axial Combustor Geometry

Effect of Multi-Modal Forcing on Thermal Transport in a Co-Axial Combustor Geometry

The Influence of Turbulence and Reynolds Number on Multiple Slot Film Cooling Over the Suction Surface

Significance of the Direct Excitation Mechanism for High-Frequency Response of Premixed Flames to Flow Oscillations

The Influence of Turbulence and Reynolds Number on Slot Film Cooling Over the Downstream Pressure Surface

Heat Transfer and Pressure Drop in a Converging Pedestal Array With Exit Area Variation

Heat Transfer and Pressure Drop Measurements in a High Solidity Pin Fin Array With Variable Hole Size Incremental Impingement

Vane Suction Surface Heat Transfer in Regions of Secondary Flows: The Influence of Turbulence Level, Reynolds Number and the Endwall Boundary Condition

An Analysis of a Deposition Tolerant Cooling Approach for Nozzle Guide Vanes

Mechanisms of Turbulence Transport in a Turbine Blade Coolant Passage With a Rib-Turbulator

Detailed Mass Transfer Distribution in Rotating, Two-Pass Ribbed Coolant Channels With Vortex Generators

PLIF and Temperature Measurements in an Actively Forced Swirl-Stabilized Spray Combustor

Velocity Measurements in a Combustor Undergoing Limit-Cycle Pressure Oscillations

Heat Transfer Enhancements in Rotating Two-Pass Coolant Channels With Profiled Ribs: Part 1 — Average Results

Infrared Measurements of Thermoacoustic Instabilities in a Swirl-Stabilized Combustor

Heat Transfer Enhancements in Rotating Two-Pass Coolant Channels With Profiled Ribs: Part 2 — Detailed Measurements

Flow Distribution and Heat Transfer Coefficients Inside Gas Holes Discharging Into an Orthogonal Crossflow

Large Eddy Simulations of Film Cooling Flow Fields From Cylindrical and Shaped Holes

Heat/Mass Transfer in a 4:1 AR Smooth and Ribbed Coolant Passage With Rotation in 90-Degree and 45-Degree Orientations

Latticework (Vortex) Cooling Effectiveness: Part 2 — Rotating Channel Experiments

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