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Journal Articles

The Influence of Turbulence and Reynolds Number on Endwall Heat Transfer in a Vane Cascade

Maliha Yel Mahi, Emmanuel Chukwuemeka, Shaun Donovan, Forrest Ames, Yousef Kanani, Sumanta Acharya

J. Turbomach. July 2023, 145(7): 071012.

Paper No: TURBO-22-1291

DOI: https://doi.org/10.1115/1.4056778

Published Online: February 10, 2023

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Topics: Cascades (Fluid dynamics), Heat transfer, Reynolds number, Turbulence, Flow (Dynamics), Pressure

Proceedings Papers

The Influence of Turbulence and Reynolds Number on Endwall Heat Transfer in a Vane Cascade

Maliha Yel Mahi, Emmanuel Chukwuemeka, Shaun Donovan, Forrest Ames, Yousef Kanani, Sumanta Acharya

Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A022, June 13–17, 2022

Paper No: GT2022-83477

DOI: https://doi.org/10.1115/GT2022-83477

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Topics: Cascades (Fluid dynamics), Heat transfer, Reynolds number, Turbulence, Flow (Dynamics), Chords (Trusses), Cooling, Design, Resolution (Optics), Suction

Proceedings Papers

A Numerical Analysis of a Conical Swirl-Stabilized Spray Burner

Boris D. Stojkovic, Sumanta Acharya, Tim G. Morgan, Kevin J. Zanca, Michael J. Graf, Ephraim Gutmark

Proc. ASME. IMECE97, Heat Transfer: Volume 2, 109-118, November 16–21, 1997

Paper No: IMECE1997-0873

DOI: https://doi.org/10.1115/IMECE1997-0873

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Topics: Numerical analysis, Sprays, Fuels, Drops, Computational fluid dynamics, Flames, Flow (Dynamics), Momentum, Shapes, Stability

Proceedings Papers

Direct Numerical Simulation of a Coolant Jet in a Periodic Crossflow

Chirdeep Sharma, Sumanta Acharya

Proc. ASME. IMECE98, Heat Transfer: Volume 3 — Application of Heat Transfer in Equipment, Systems, and Education, 363-388, November 15–20, 1998

Paper No: IMECE1998-0671

DOI: https://doi.org/10.1115/IMECE1998-0671

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Topics: Computer simulation, Coolants, Vortices, Engineering simulation, Simulation, Dynamics (Mechanics), Flow (Dynamics), Pressure, Reynolds number, Shear (Mechanics)

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

Large Eddy Simulations of Jets in Crossflow: Large Scale Turbulence Effects

Mayank Tyagi, Sumanta Acharya

Proc. ASME. IMECE99, Heat Transfer: Volume 1, 209-218, November 14–19, 1999

Paper No: IMECE1999-0987

DOI: https://doi.org/10.1115/IMECE1999-0987

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Topics: Jets, Large eddy simulation, Turbulence, Waves, Coolants, Friction, Reynolds number, Stress, Vortices, Wakes

Proceedings Papers

Simultaneous Measurements of Droplet Size, Temperature, and Velocity Using an Integrated Phase-Doppler/Rainbow Thermometer

Matt O’ Donnell, Sumanta Acharya

Proc. ASME. IMECE2001, Heat Transfer: Volume 4 — Combustion and Energy Systems, 173-179, November 11–16, 2001

Paper No: IMECE2001/HTD-24257

DOI: https://doi.org/10.1115/IMECE2001/HTD-24257

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Topics: Drops, Temperature, Thermometers, Combustion chambers, Instrumentation, Refractive index, Flames, Flight, Lasers, Noise (Sound)

Proceedings Papers

Three-Dimensional Flow and Heat Transfer Calculations in Micro-Channel Heat Exchangers

A. K. Saha, Sumanta Acharya

Proc. ASME. IMECE2001, Heat Transfer: Volume 7 — Heat Transfer in Electronic Equipment, Student Research, and Visualization Techniques, 199-208, November 11–16, 2001

Paper No: IMECE2001/HTD-24394

DOI: https://doi.org/10.1115/IMECE2001/HTD-24394

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Topics: Flow (Dynamics), Heat exchangers, Heat transfer, Microchannels, Reynolds number, Cylinders, Friction, Computer cooling, Convection, Cooling

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

Mass/Heat Transfer in Rotating Dimpled Turbine-Blade Coolant Passages

Sumanta Acharya, Fuguo Zhou

Proc. ASME. IMECE2000, Heat Transfer: Volume 3, 51-60, November 5–10, 2000

Paper No: IMECE2000-1460

DOI: https://doi.org/10.1115/IMECE2000-1460

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Topics: Coolants, Heat transfer, Turbine blades, Mass transfer, Flow (Dynamics), Rotation, Cooling, Reynolds number

Journal Articles

Phase-Change Process Inside a Small-Radii Cylinder Subjected to Cyclic Convective Boundary Conditions: A Numerical Study

Yousef Kanani, Avijit Karmakar, Sumanta Acharya

J. Heat Transfer. October 2021, 143(10): 102401.

Paper No: HT-21-1363

DOI: https://doi.org/10.1115/1.4052085

Published Online: September 8, 2021

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Topics: Boundary-value problems, Cylinders, Freezing, Heat transfer, Melting, Temperature, Enthalpy, Phase change materials, Heating and cooling

Journal Articles

Numerical Predictions of Turbine Cascade Secondary Flows and Heat Transfer With Inflow Turbulence

Yousef Kanani, Sumanta Acharya, Forrest Ames

J. Turbomach. December 2021, 143(12): 121008.

Paper No: TURBO-20-1260

DOI: https://doi.org/10.1115/1.4051555

Published Online: July 13, 2021

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Topics: Boundary layers, Flow (Dynamics), Heat transfer, Inflow, Pressure, Suction, Turbulence, Vortices, Corners (Structural elements), Turbines

Proceedings Papers

Impingement Heat Transfer From a Jet-Array With In-Between Return Holes for the Crossflow

Chen Tang, Sumanta Acharya

Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A025, September 21–25, 2020

Paper No: GT2020-15742

DOI: https://doi.org/10.1115/GT2020-15742

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Topics: Heat transfer

Proceedings Papers

Numerical Predictions of Turbine Cascade Secondary Flows and Heat Transfer With Inflow Turbulence

Yousef Kanani, Sumanta Acharya, Forrest Ames

Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A059, September 21–25, 2020

Paper No: GT2020-15654

DOI: https://doi.org/10.1115/GT2020-15654

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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Heat transfer, Inflow, Turbines, Turbulence, Vortices, Suction, Boundary layers, Pressure

Journal Articles

Wettability Effects on Falling Film Flow and Heat Transfer Over Horizontal Tubes in Jet Flow Mode

Avijit Karmakar, Sumanta Acharya

J. Heat Transfer. December 2020, 142(12): 122301.

Paper No: HT-19-1622

DOI: https://doi.org/10.1115/1.4048088

Published Online: September 18, 2020

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Topics: Equilibrium (Physics), Film flow, Flow (Dynamics), Fluids, Heat transfer, Jets, Film thickness, Simulation, Wetting, Liquid films

Journal Articles

Large Eddy Simulation of Bypass Transition in Vane Passage With Freestream Turbulence

Yousef Kanani, Sumanta Acharya, Forrest Ames

J. Turbomach. June 2020, 142(6): 061002.

Paper No: TURBO-20-1015

DOI: https://doi.org/10.1115/1.4046461

Published Online: May 12, 2020

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Topics: Turbulence, Suction, Heat transfer, Pressure, Flow (Dynamics), Boundary layers

Proceedings Papers

Wettability Effects on Falling Film Heat Transfer Over Horizontal Tubes in Jet Flow Mode

Avijit Karmakar, Sumanta Acharya

Proc. ASME. HT2019, ASME 2019 Heat Transfer Summer Conference, V001T10A004, July 14–17, 2019

Paper No: HT2019-3532

DOI: https://doi.org/10.1115/HT2019-3532

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Topics: Heat transfer, Jets, Flow (Dynamics), Fluids, Liquid films, Engineering simulation, Equilibrium (Physics), Film flow, Heat exchangers, Heat transfer coefficients

Proceedings Papers

Large Eddy Simulation of Bypass Transition in Vane Passage With Freestream Turbulence

Yousef Kanani, Sumanta Acharya, Forrest Ames

Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT22A007, June 17–21, 2019

Paper No: GT2019-91099

DOI: https://doi.org/10.1115/GT2019-91099

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Topics: Large eddy simulation, Turbulence, Suction, Boundary layers, Engineering simulation, Flow (Dynamics), Heat transfer, Inflow, Simulation, Boundary-value problems

Journal Articles

Flow Dynamics of a Film Cooling Jet Issued From a Round Hole Embedded in Contoured Crater

Prasad Kalghatgi, Sumanta Acharya

J. Turbomach. August 2019, 141(8): 081006.

Paper No: TURBO-18-1232

DOI: https://doi.org/10.1115/1.4043071

Published Online: March 22, 2019

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Topics: Cooling, Film cooling, Flow (Dynamics), Shear (Mechanics), Vortices, Coolants, Vorticity

Journal Articles

Large Eddy Simulation of the Laminar Heat Transfer Augmentation on the Pressure Side of a Turbine Vane Under Freestream Turbulence

Yousef Kanani, Sumanta Acharya, Forrest Ames

J. Turbomach. April 2019, 141(4): 041004.

Paper No: TURBO-18-1233

DOI: https://doi.org/10.1115/1.4041599

Published Online: January 21, 2019

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Topics: Boundary layers, Flow (Dynamics), Fluctuations (Physics), Heat transfer, Pressure, Simulation, Turbulence, Large eddy simulation

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Journal citation

NARROW

The Influence of Turbulence and Reynolds Number on Endwall Heat Transfer in a Vane Cascade

The Influence of Turbulence and Reynolds Number on Endwall Heat Transfer in a Vane Cascade

A Numerical Analysis of a Conical Swirl-Stabilized Spray Burner

Direct Numerical Simulation of a Coolant Jet in a Periodic Crossflow

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

Large Eddy Simulations of Jets in Crossflow: Large Scale Turbulence Effects

Simultaneous Measurements of Droplet Size, Temperature, and Velocity Using an Integrated Phase-Doppler/Rainbow Thermometer

Three-Dimensional Flow and Heat Transfer Calculations in Micro-Channel Heat Exchangers

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

Mass/Heat Transfer in Rotating Dimpled Turbine-Blade Coolant Passages

Phase-Change Process Inside a Small-Radii Cylinder Subjected to Cyclic Convective Boundary Conditions: A Numerical Study

Numerical Predictions of Turbine Cascade Secondary Flows and Heat Transfer With Inflow Turbulence

Impingement Heat Transfer From a Jet-Array With In-Between Return Holes for the Crossflow

Numerical Predictions of Turbine Cascade Secondary Flows and Heat Transfer With Inflow Turbulence

Wettability Effects on Falling Film Flow and Heat Transfer Over Horizontal Tubes in Jet Flow Mode

Large Eddy Simulation of Bypass Transition in Vane Passage With Freestream Turbulence

Wettability Effects on Falling Film Heat Transfer Over Horizontal Tubes in Jet Flow Mode

Large Eddy Simulation of Bypass Transition in Vane Passage With Freestream Turbulence

Flow Dynamics of a Film Cooling Jet Issued From a Round Hole Embedded in Contoured Crater

Large Eddy Simulation of the Laminar Heat Transfer Augmentation on the Pressure Side of a Turbine Vane Under Freestream Turbulence

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