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Proc. ASME. HT2012, Volume 1: Heat Transfer in Energy Systems; Theory and Fundamental Research; Aerospace Heat Transfer; Gas Turbine Heat Transfer; Transport Phenomena in Materials Processing and Manufacturing; Heat and Mass Transfer in Biotechnology; Environmental Heat Transfer; Visualization of Heat Transfer; Education and Future Directions in Heat Transfer, 863-871, July 8–12, 2012

Paper No: HT2012-58531

DOI: https://doi.org/10.1115/HT2012-58531

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Topics: Heat transfer, Pressure drop, Flow (Dynamics), Heat transfer coefficients, Coolants, Cooling, Geometry, Liquid crystals, Reynolds number, Transients (Dynamics)

Proceedings Papers

Experimental Study on Racetrack-Shaped Holes Impingement Cooling With Bump Type Roughening Element

Chiyuki Nakamata, Yoji Okita, Takashi Yamane, Yoshitaka Fukuyama, Toyoaki Yoshida

Proc. ASME. GT2012, Volume 4: Heat Transfer, Parts A and B, 425-434, June 11–15, 2012

Paper No: GT2012-69077

DOI: https://doi.org/10.1115/GT2012-69077

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Topics: Impingement cooling, Cooling, Reynolds number, Flow (Dynamics)

Journal Articles

Heat Transfer Enhancement and Thermal Performance of Lattice Structures for Internal Cooling of Airfoil Trailing Edges

Krishnendu Saha, Sumanta Acharya, Chiyuki Nakamata

J. Thermal Sci. Eng. Appl. March 2013, 5(1): 011001.

Paper No: TSEA-11-1167

DOI: https://doi.org/10.1115/1.4007277

Published Online: February 22, 2013

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Topics: Airfoils, Cooling, Flow (Dynamics), Heat transfer, Heat transfer coefficients, Pressure, Pressure drop, Reynolds number, Fins, Gas turbines

Journal Articles

Simulations of Multiphase Particle Deposition on a Showerhead With Staggered Film-Cooling Holes

Seth A. Lawson, Karen A. Thole, Yoji Okita, Chiyuki Nakamata

J. Turbomach. September 2012, 134(5): 051041.

DOI: https://doi.org/10.1115/1.4004757

Published Online: June 5, 2012

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Topics: Coolants, Cooling, Film cooling, Particulate matter, Temperature, Simulation

Journal Articles

Effects of Surface Geometry on Film Cooling Performance at Airfoil Trailing Edge

Akira Murata, Satomi Nishida, Hiroshi Saito, Kaoru Iwamoto, Yoji Okita, Chiyuki Nakamata

J. Turbomach. September 2012, 134(5): 051033.

DOI: https://doi.org/10.1115/1.4004828

Published Online: May 31, 2012

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Topics: Airfoils, Cooling, Film cooling, Flow (Dynamics), Geometry, Heat transfer coefficients, Transients (Dynamics), Diffusers

Proceedings Papers

Heat Transfer Enhancement due to Combination of Dimples, Protrusions, and Ribs in Narrow Internal Passage of Gas Turbine Blade

Akira Murata, Satomi Nishida, Hiroshi Saito, Kaoru Iwamoto, Yoji Okita, Chiyuki Nakamata

Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 1173-1182, June 6–10, 2011

Paper No: GT2011-45356

DOI: https://doi.org/10.1115/GT2011-45356

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Topics: Blades, Gas turbines, Heat transfer, Cooling, Pressure, Airfoils, Fins, Friction, Reynolds number, Reynolds-averaged Navier–Stokes equations

Proceedings Papers

Simulations of Multi-Phase Particle Deposition on a Showerhead With Staggered Film-Cooling Holes

Seth A. Lawson, Karen A. Thole, Yoji Okita, Chiyuki Nakamata

Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 91-103, June 6–10, 2011

Paper No: GT2011-45191

DOI: https://doi.org/10.1115/GT2011-45191

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Topics: Engineering simulation, Film cooling, Particulate matter, Simulation, Cooling, Temperature, Turbines, Combustion, Coolants, Gas turbines

Proceedings Papers

Effects of Surface Geometry on Film Cooling Performance at Airfoil Trailing Edge

Akira Murata, Satomi Nishida, Hiroshi Saito, Kaoru Iwamoto, Yoji Okita, Chiyuki Nakamata

Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 171-181, June 6–10, 2011

Paper No: GT2011-45355

DOI: https://doi.org/10.1115/GT2011-45355

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Topics: Airfoils, Film cooling, Geometry, Heat transfer coefficients, Heat transfer, Cooling, Diffusers, Flow (Dynamics), Gas turbines, Pressure

Proceedings Papers

Squealer Tip Heat Transfer With Film Cooling

Sumanta Acharya, Gregory Kramer, Louis Moreaux, Chiyuki Nakamata

Proc. ASME. GT2010, Volume 4: Heat Transfer, Parts A and B, 1869-1877, June 14–18, 2010

Paper No: GT2010-23688

DOI: https://doi.org/10.1115/GT2010-23688

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Topics: Film cooling, Heat transfer, Blades, Heat transfer coefficients, Pressure, Reynolds number, Transients (Dynamics), Arches, Boundary-value problems, Cascades (Fluid dynamics)

Journal Articles

Film Cooling in a Separated Flow Field on a Novel Lightweight Turbine Blade

Yoji Okita, Chiyuki Nakamata, Masaya Kumada, Masahiro Ikeda

J. Turbomach. July 2010, 132(3): 031003.

DOI: https://doi.org/10.1115/1.3144165

Published Online: March 24, 2010

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Topics: Blades, Coolants, Cooling, Ducts, Film cooling, Flow (Dynamics), Pressure, Suction, Engines, Temperature

Proceedings Papers

Experimental Study on the Cooling Performance of a Turbine Nozzle With an Innovative Internal Cooling Structure

Shu Fujimoto, Yoji Okita, Chiyuki Nakamata

Proc. ASME. GT2009, Volume 3: Heat Transfer, Parts A and B, 587-598, June 8–12, 2009

Paper No: GT2009-59597

DOI: https://doi.org/10.1115/GT2009-59597

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Topics: Cooling, Nozzles, Turbines, Design, Cascades (Fluid dynamics), Casting, Pressure, Airfoils, Blades, Ceramics

Proceedings Papers

Heat Transfer and Pressure Drop in a Converging Lattice Structure for Airfoil Trailing Edge Cooling

Krishnendu Saha, Sumanta Acharya, Chiyuki Nakamata

Proc. ASME. IMECE2008, Volume 10: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B, and C, 1175-1184, October 31–November 6, 2008

Paper No: IMECE2008-68152

DOI: https://doi.org/10.1115/IMECE2008-68152

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Topics: Airfoils, Cooling, Heat transfer, Pressure drop, Heat transfer coefficients, Reynolds number, Blades, Flow (Dynamics), Friction, Gas turbines

Proceedings Papers

Heat Transfer and Pressure Measurements in a Lattice-Cooled Trailing Edge of a Turbine Airfoil

Krishnendu Saha, Shengmin Guo, Sumanta Acharya, Chiyuki Nakamata

Proc. ASME. GT2008, Volume 4: Heat Transfer, Parts A and B, 1117-1125, June 9–13, 2008

Paper No: GT2008-51324

DOI: https://doi.org/10.1115/GT2008-51324

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Topics: Airfoils, Heat transfer, Pressure measurement, Turbines, Reynolds number, Pressure drop, Blades, Channel flow, Cooling, Flow (Dynamics)

Proceedings Papers

Computational Predictions of Endwall Film Cooling for a Turbine Nozzle Vane With an Asymmetric Contoured Passage

Yoji Okita, Chiyuki Nakamata

Proc. ASME. GT2008, Volume 4: Heat Transfer, Parts A and B, 801-811, June 9–13, 2008

Paper No: GT2008-50878

DOI: https://doi.org/10.1115/GT2008-50878

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Topics: Film cooling, Nozzles, Turbines, Flow (Dynamics), Coolants, Vortices, Boundary layers, Cascades (Fluid dynamics), Cooling, Engineering design processes

Proceedings Papers

Film Cooling in a Separated Flow Field on a Novel Lightweight Turbine Blade

Yoji Okita, Chiyuki Nakamata, Masaya Kumada, Masahiro Ikeda

Proc. ASME. GT2008, Volume 4: Heat Transfer, Parts A and B, 195-211, June 9–13, 2008

Paper No: GT2008-50228

DOI: https://doi.org/10.1115/GT2008-50228

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Topics: Film cooling, Flow (Dynamics), Turbine blades, Airfoils, Blades, Cooling, Pressure, Temperature, Bubbles, Computer simulation

Proceedings Papers

Local Cooling Effectiveness Distribution of an Integrated Impingement and Pin Fin Cooling Configuration

Chiyuki Nakamata, Fujio Mimura, Masahiro Matsushita, Takashi Yamane, Yoshitaka Fukuyama, Toyoaki Yoshida

Proc. ASME. GT2007, Volume 4: Turbo Expo 2007, Parts A and B, 23-34, May 14–17, 2007

Paper No: GT2007-27020

DOI: https://doi.org/10.1115/GT2007-27020

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Topics: Cooling

Proceedings Papers

Cooling Performance of an Integrated Impingement and Pin Fin Cooling Configuration

Shigemichi Yamawaki, Chiyuki Nakamata, Ryouji Imai, Shinsuke Matsuno, Toyoaki Yoshida, Fujio Mimura, Masaya Kumada

Proc. ASME. GT2003, Volume 5: Turbo Expo 2003, Parts A and B, 133-142, June 16–19, 2003

Paper No: GT2003-38215

DOI: https://doi.org/10.1115/GT2003-38215

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Topics: Computational fluid dynamics, Cooling, Heat transfer, Impingement cooling, Density, Casting, Engines, Film cooling, Flat plates, Geometry

Journal citation

NARROW

Heat Transfer to an Actively Cooled Shroud With Blade Rotation

Film Cooling Hole Shape Optimization Using Proper Orthogonal Decomposition

Effects of Shape and Arrangement of Dimples on Film Cooling Performance Over Cutback Surface at Airfoil Trailing Edge

Heat Transfer and Pressure Drop in a Lattice Channel With Bleed Holes

Experimental Study on Racetrack-Shaped Holes Impingement Cooling With Bump Type Roughening Element

Heat Transfer Enhancement and Thermal Performance of Lattice Structures for Internal Cooling of Airfoil Trailing Edges

Simulations of Multiphase Particle Deposition on a Showerhead With Staggered Film-Cooling Holes

Effects of Surface Geometry on Film Cooling Performance at Airfoil Trailing Edge

Heat Transfer Enhancement due to Combination of Dimples, Protrusions, and Ribs in Narrow Internal Passage of Gas Turbine Blade

Simulations of Multi-Phase Particle Deposition on a Showerhead With Staggered Film-Cooling Holes

Effects of Surface Geometry on Film Cooling Performance at Airfoil Trailing Edge

Squealer Tip Heat Transfer With Film Cooling

Film Cooling in a Separated Flow Field on a Novel Lightweight Turbine Blade

Experimental Study on the Cooling Performance of a Turbine Nozzle With an Innovative Internal Cooling Structure

Heat Transfer and Pressure Drop in a Converging Lattice Structure for Airfoil Trailing Edge Cooling

Heat Transfer and Pressure Measurements in a Lattice-Cooled Trailing Edge of a Turbine Airfoil

Computational Predictions of Endwall Film Cooling for a Turbine Nozzle Vane With an Asymmetric Contoured Passage

Film Cooling in a Separated Flow Field on a Novel Lightweight Turbine Blade

Local Cooling Effectiveness Distribution of an Integrated Impingement and Pin Fin Cooling Configuration

Cooling Performance of an Integrated Impingement and Pin Fin Cooling Configuration

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