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Shigeru Koyama
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Proceedings Papers

Falling Film Evaporation of Pure Refrigerant HCFC123 in a Vertical Rectangular Channel With Serrated-Fins

Shigeru Koyama, Junichi Ohara, Ken Kuwahara, Kenichi Masaki
Proc. ASME. IMECE98, Heat Transfer: Volume 1 — Heat Transfer in Flowing Systems, 339-346, November 15–20, 1998
Paper No: IMECE1998-0612
https://doi.org/10.1115/IMECE1998-0612
View Paper titled, Falling Film Evaporation of Pure Refrigerant HCFC123 in a Vertical Rectangular Channel With Serrated-Fins
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Topics: Evaporation, Fins, Refrigerants, Liquid films, Flow (Dynamics), Heat transfer coefficients, Heat flux, Heat transfer, Pressure, Vapors
Proceedings Papers

Falling Film Evaporation of Binary Refrigerant Mixture in Vertical Rectangular Minichannels Consisting of Serrated-Fins

Junichi Ohara, Shigeru Koyama
Proc. ASME. ICNMM2014, ASME 2014 12th International Conference on Nanochannels, Microchannels and Minichannels, V001T08A005, August 3–7, 2014
Paper No: ICNMM2014-22184
https://doi.org/10.1115/ICNMM2014-22184
View Paper titled, Falling Film Evaporation of Binary Refrigerant Mixture in Vertical Rectangular Minichannels Consisting of Serrated-Fins
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Topics: Evaporation, Fins, Refrigerants, Heat transfer coefficients, Vapors, Boiling, Heat transfer, Pressure, Diffusion (Physics), Flow (Dynamics)
Proceedings Papers

Vertical Falling Film Evaporation of Pure Refrigerant HCFC123 in a Plate-Fin Heat Exchanger

Junichi Ohara, Shigeru Koyama
Proc. ASME. ICNMM2013, ASME 2013 11th International Conference on Nanochannels, Microchannels, and Minichannels, V001T04A014, June 16–19, 2013
Paper No: ICNMM2013-73213
https://doi.org/10.1115/ICNMM2013-73213
View Paper titled, Vertical Falling Film Evaporation of Pure Refrigerant HCFC123 in a Plate-Fin Heat Exchanger
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Topics: Evaporation, Heat exchangers, Refrigerants, Heat transfer coefficients, Flow (Dynamics), Fins, Heat flux, Heat transfer, Pressure, Resins
Proceedings Papers

On Thermodynamics of Advanced Adsorption Cooling Devices

Bidyut B. Saha, Anutosh Chakraborty, Ibrahim I. El-Sharkawy, Shigeru Koyama, Kim Choon Ng, Kandadai Srinivasan
Proc. ASME. IMECE2008, Volume 8: Energy Systems: Analysis, Thermodynamics and Sustainability; Sustainable Products and Processes, 555-561, October 31–November 6, 2008
Paper No: IMECE2008-68615
https://doi.org/10.1115/IMECE2008-68615
View Paper titled, On Thermodynamics of Advanced Adsorption Cooling Devices
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Topics: Cooling, Thermodynamics, Temperature, Heat, Approximation, Condensation, Coolants, Modeling
Proceedings Papers

Study on Single- and Multi-Stage Adsorption Cooling Cycles Working at Sub and Above Atmospheric Conditions

Bidyut B. Saha, Ibrahim I. El-Sharkawy, Anutosh Chakraborty, Shigeru Koyama, Kim Choon Ng
Proc. ASME. IMECE2008, Volume 8: Energy Systems: Analysis, Thermodynamics and Sustainability; Sustainable Products and Processes, 563-570, October 31–November 6, 2008
Paper No: IMECE2008-68616
https://doi.org/10.1115/IMECE2008-68616
View Paper titled, Study on Single- and Multi-Stage Adsorption Cooling Cycles Working at Sub and Above Atmospheric Conditions
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Topics: Cooling, Cycles, Temperature, Vacuum, Activated carbon, Atmospheric pressure, Ethanol, Fibers, Heat, Pressure
Proceedings Papers

Adsorption Performance of Round Fin and Tube Type Adsorber Employing Activated Carbon Fiber/Ethanol Pair

Keishi Kariya, Ryo Tateishi, Ken Kuwahara, Bidyut Baran Saha, Shigeru Koyama
Proc. ASME. HT2007, ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference, Volume 3, 829-835, July 8–12, 2007
Paper No: HT2007-32719
https://doi.org/10.1115/HT2007-32719
View Paper titled, Adsorption Performance of Round Fin and Tube Type Adsorber Employing Activated Carbon Fiber/Ethanol Pair
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Topics: Activated carbon, Ethanol, Fibers, Cycles, Heat exchangers, Cooling, Cooling systems, Density, Design, Geometry
Proceedings Papers

Experimental Investigation on Heat Transfer Characteristics of Supercritical Carbon Dioxide Inside a Horizontal Micro-Fin Copper Tube During Cooling Process

Shinya Higahiiue, Ken Kuwahara, Satoru Yanachi, Shigeru Koyama
Proc. ASME. HT2007, ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference, Volume 3, 837-842, July 8–12, 2007
Paper No: HT2007-32724
https://doi.org/10.1115/HT2007-32724
View Paper titled, Experimental Investigation on Heat Transfer Characteristics of Supercritical Carbon Dioxide Inside a Horizontal Micro-Fin Copper Tube During Cooling Process
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Topics: Cooling, Copper, Heat transfer, Supercritical carbon dioxide, Carbon dioxide, Heat transfer coefficients, Pressure, Fins, Temperature
Proceedings Papers

Theoretical Insight of Physical Adsorption for a Single Component Adsorbent+Adsorbate System

Anutosh Chakraborty, Bidyut Baran Saha, Shigeru Koyama, Ibrahim Ibrahim El-Sharkawy, Kim Choon Ng
Proc. ASME. IMECE2007, Volume 6: Energy Systems: Analysis, Thermodynamics and Sustainability, 503-512, November 11–15, 2007
Paper No: IMECE2007-42943
https://doi.org/10.1115/IMECE2007-42943
View Paper titled, Theoretical Insight of Physical Adsorption for a Single Component Adsorbent+Adsorbate System
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Topics: Enthalpy, Entropy, Equilibrium (Physics), Heat, Specific heat, Thermodynamics, Vapors
Proceedings Papers

Adsorption Characteristics of Maxsorb-III + Methane Systems by Desorption Experiments

Bidyut Baran Saha, Kandadai Srinivasan, Anutosh Chakraborty, Khairul Habib, Ibrahim Ibrahim El-Sharkawy, Shigeru Koyama
Proc. ASME. IMECE2007, Volume 6: Energy Systems: Analysis, Thermodynamics and Sustainability, 415-419, November 11–15, 2007
Paper No: IMECE2007-42941
https://doi.org/10.1115/IMECE2007-42941
View Paper titled, Adsorption Characteristics of Maxsorb-III + Methane Systems by Desorption Experiments
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Topics: Desorption, Heat, Methane
Proceedings Papers

Condensation of Refrigerant in a Multi-Port Channel

Shigeru Koyama, Ken Kuwahara, Koichi Nakashita
Proc. ASME. ICMM2003, 1st International Conference on Microchannels and Minichannels, 193-205, April 24–25, 2003
Paper No: ICMM2003-1021
https://doi.org/10.1115/ICMM2003-1021
View Paper titled, Condensation of Refrigerant in a Multi-Port Channel
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Topics: Condensation, Refrigerants, Fins, Heat transfer, Pressure drop, Surface tension, Aluminum tube, Heat transfer coefficients, Kinematics, Natural convection
Proceedings Papers

Experimental Study on Flow Boiling of HFC134a in a Multi-Port Extruded Tube

Ken Kuwahara, Shigeru Koyama, Kengo Kazari
Proc. ASME. ICMM2004, ASME 2nd International Conference on Microchannels and Minichannels, 531-537, June 17–19, 2004
Paper No: ICMM2004-2378
https://doi.org/10.1115/ICMM2004-2378
View Paper titled, Experimental Study on Flow Boiling of HFC134a in a Multi-Port Extruded Tube
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Topics: Boiling, Flow (Dynamics), Pressure drop, Heat transfer coefficients, Aluminum, Convection, Heat transfer, Heating, Pressure, Refrigerants
Proceedings Papers

Falling Film Evaporation of Pure Refrigerant HCFC123 in a Vertical Rectangular Minichannel Consisting of Offset Strip Fins

Junichi Ohara, Shigeru Koyama, Ken Kuwahara
Proc. ASME. ICMM2005, ASME 3rd International Conference on Microchannels and Minichannels, Part B cont’d, 49-56, June 13–15, 2005
Paper No: ICMM2005-75128
https://doi.org/10.1115/ICMM2005-75128
View Paper titled, Falling Film Evaporation of Pure Refrigerant HCFC123 in a Vertical Rectangular Minichannel Consisting of Offset Strip Fins
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Topics: Evaporation, Fins, Refrigerants, Strips, Liquid films, Flow (Dynamics), Heat transfer, Heat flux, Heat transfer coefficients, Pressure