2024

1. Y. Koyama, K, Sasaki, T. Shimonaka, T, Ishikawa, M. Suzuki, M. Nakakura, K. Matsubara,
   "Experimental study on thermochemical CO2 splitting and system analysis for demonstration and commercial plant",
   The 34th International Symposium on Transport Phenomena(ISTP-34), Taoyuan, Taiwan, Nov. 10-13 (2024), applied.
   

2. M. Nakakura, Y. Koyama, S. Shibuya, K.J. Warren, A.W. Weimer, T. Farrell, T. Asaoka, K. Matsubara,
   "Solar thermochemical carbon dioxide splitting using ceria and iron aluminate foam devices and simulation of a plant system for demonstration",
   ASME 18th International Conference in Energy Sustainability(ES2024), Anaheim, USA, Jul. 15-17 (2024), ES2024-131100.
   

3. Y. Koyama, M. Nakakura, T. Asaoka, K.J. Warren, A.W. Weimer, K. Matsubara,
   "Experiment of Carbon Dioxide Thermochemical Splitting Using Tubular Furnace and System Analysis for Demonstration Plant with Gas-Gas Heat Recovery",
   SOLARIS 2024, BERS Public School, India, Feb. 7-9 (2024), SOL-II-1, hybrid.
   

4. K. Matsubara,
   "Recent Progress in Solar Thermal Usage and Its Application to Thermochemical Carbon Dioxide Splitting",
   SOLARIS 2024, BERS Public School, India, Feb. 7-9 (2024), invited talk, hybrid.
   

2023

1. K. Matsubara,
   "High-Temperature Solar Thermal Usage for Thermochemical Carbon Dioxide Splitting and Its Application to CCU",
   The 5th RD20 Conference, Fukushima, Japan, Oct. 4-6 (2023), T3-3, hybrid.
   

2022

1. S. Ohta, Y. Koyama, K. Ito, S. Shibuya, M. Nakakura, K. Matsubara, K. Warren, A. Weimer
   "Experiment on Thermochemical CO2 Splitting Using Hercynite Foam Device",
   Grand Renewable Energy 2022 International Conference(GRE2022), Tokyo, Japan, Dec. 13-20 (2022), 100274, online.
   

2. D. Kobayashi, Z. Nianlong, M. Nakakura, K. Matsubara, H.-S. Cho, T. Kodama,
   "Sintering Reactive Foam Device of Ceria for Solar Thermochemical CO2 Splitting",
   Grand Renewable Energy 2022 International Conference(GRE2022), Tokyo, Japan, Dec. 13-20 (2022), 100262, online.
   

3. Y. Aoki, K. Matsubara, T. Kodama, S. Bellan,
   "Development of high temperature furnace and PCM capsules to study the melting dynamics for high temperature latent heat storage system",
   Grand Renewable Energy 2022 International Conference(GRE2022), Tokyo, Japan, Dec. 13-20 (2022), 100187, online.
   

4. S. Fukuda, K. Matsubara, T. Kodama, N. Gokon, S. Bellan,
   "Development of Iron-manganese oxide redox material and its reduction kinetics for high temperature thermochemical storage application",
   Grand Renewable Energy 2022 International Conference(GRE2022), Tokyo, Japan, Dec. 13-20 (2022), 100173, online.
   

5. K. Ito, S. Ohta, S. Shibuya, Y. Tamaki, M. Nakakura, K. Matsubara, T. Kodama, A. Weimer
   "Experiment on Thermochemical CO2 Splitting Using Ceria Foam Device at the Highest Temperature of 1600℃ for Reduction",
   Grand Renewable Energy 2022 International Conference(GRE2022), Tokyo, Japan, Dec. 13-20 (2022), 100256, online.
   

6. Y. Koyama, M. Nakakura, K. Matsubara, Y. Akiyama, T. Asaoka, Y. Hasegawa,
   "Numerical simulation of thermochemical carbon dioxide splitting using steady flow approximation",
   Grand Renewable Energy 2022 International Conference(GRE2022), Tokyo, Japan, Dec. 13-20 (2022), 100144, online.
   

7. A. Kitazawa, T. Yamagata, K. Matsubara, T. Kodama, S. Bellan,
   "Experimental and numerical study on gas-solid flow in a spout fluidized bed for solar energy conversion",
   Grand Renewable Energy 2022 International Conference(GRE2022), Tokyo, Japan, Dec. 13-20 (2022), 100174, online.
   

2021

1. H. Maruyama, M. Nakakura, S. Bellan, H.-S. Cho, K. Matsubara,
   "Conjugate radiation-convection-conduction simulation for solar volumetric receiver with cubic lattice as fundamental skelton",
   The 2nd Asian Conference on Thermal Science (2nd ACTS), Fukuoka, Japan, Oct. 3-7 (2021), 30925, online.
   

2. M. Nakakura, T. Maruyama, H. Ojima, K. Matsubara,
   "Investigation of unsteady-state solar receiver performance by conjugate heat transfer simulation",
   11th SOLARIS 2021, Tokyo, Japan, Sep. 27-30 (2021), A-51, online.
   

3. N. Okodo, S. Bellan, K. Matsubara, T. Kodama, N. Gokon, H.-S. Cho,
   "Numerical study on the transient heat transfer behaviour of packed bed thermal energy storage system for concentrated solar power plant",
   11th SOLARIS 2021, Tokyo, Japan, Sep. 27-30 (2021), B-43, online.
   

4. G. Tsurumaki, S. Bellan, K. Matsubara, T. Kodama, M. Nakakura, N. Gokon, H.-S. Cho, M. Karthik, S. Sakthivel
   "Fluidization behavior of redox oxide and spinel particles to develop high-energy-density thermal energy storage system for concentrated solar power applications",
   11th SOLARIS 2021, Tokyo, Japan, Sep. 27-30 (2021), B-42, online.
   

5. H. Maruyama, M. Nakakura, S. Bellan, H.-S. Cho, K. Matsubara,
   "Conjugate radiation-convection-conduction simulation for solar volumetric receiver with cubic lattice as fundamental structure",
   11th SOLARIS 2021, Tokyo, Japan, Sep. 27-30 (2021), A-42, online.
   

2019

1. K. Hirai, S. Bellan, K. Matsubara, T. Kodama, N. Gokon, H.-S. Cho,
   "Numerical analysis on solidification process of PCM in triplex-tube thermal energy storage system",
   Solar Power and Chemical Energy Systems 2019 (SolarPACES2019), Daegu, Korea, Oct. 1-4 (2019).
   doi: 10.1063/5.0028873

2. K. Kawasaki, M. Nakakura, K. Matsubara, S. Bellan,
   "Numerical simulation of volumetric honeycomb receiver with concentrated irradiation",
   7th Asian Symposium on Computational Heat Transfer and Fluid Flow (ASCHT2019), Tokyo, Japan, Sept. 3-7 (2019), 137.
   

3. A. Ochiai, M. Nakakura, K. Matsubara, S. Bellan,
   "Conjugate radiation-convection-conduction heat transfer analysis of porous receiver having cubic lattice structure",
   7th Asian Symposium on Computational Heat Transfer and Fluid Flow (ASCHT2019), Tokyo, Japan, Sept. 3-7 (2019), 195.
   

2018

1. I. Tsuchida, M. Nakakura, K. Matsubara, T. Kodama, N. Gokon, S. Bellan,
   "Optimization of flow rate and irradiation for honeycomb receiver with concentrated radiation",
   15th International Conference on Flow Dynamics (ICFD2018), Sendai, Japan, Nov. 7-9 (2018), OS2-55.
   

2. S. Bellan, T. Kodama, K. Matsubara, N. Gokon, H.-S. Cho,
   "Heat transfer and fluid flow analysis of a fluidized bed reactor for beam-down optics",
   Solar Power and Chemical Energy Systems 2018 (SolarPACES2018), Casablanca, Morocco, Oct. 2-5 (2018).
   doi: 10.1063/1.5117684

3. K. Matsubara, Y. Suzuki, A. Sakurai, S. Bellan, T. Kodama,
   "Steady-flow-type particle receiver for high-temperature solar thermal storage",
   SOLARIS Conference 2018, Chengdu, China, Aug. 30-31 (2018).
   doi: 10.1088/1757-899X/556/1/012059

4. M. Nakakura, K. Matsubara, S. Bellan, T. Kodama,
   "Direct simulation of volumetric solar receiver with highly concentrated radiation",
   SOLARIS Conference 2018, Chengdu, China, Aug. 30-31 (2018), 122.
   doi: 10.1088/1757-899X/556/1/012060

5. S. Bellan, K. Matsubara, N. Gokon, T. Kodama, H.-S. Cho, I. Tsuchida,
   "Gas-solid flow and heat transfer characteristics of a fluidized bed reactor for solar thermal applications",
   16th International Heat Transfer Conference (IHTC-16), Beijing, China, Aug. 10-15 (2018).
   doi: 10.1615/IHTC16.mpf.023665

6. M. Nakakura, S. Bellan, H.-S. Cho, K. Matsubara, N. Gokon, T. Kodama,
   "Conjugated radiation-convection-conduction heat transfer analysis of volumetric receiver with highly concentrated radiation",
   16th International Heat Transfer Conference (IHTC-16), Beijing, China, Aug. 10-15 (2018), 23436.
   doi: 10.1615/IHTC16.nee.023436

7. K. Matsubara, T. Muromoto,
   "Spatially advancing curved channel turbulent heat transfer with iso-thermal wall heating condition",
   9th International Symposium On Turbulence Heat and Mass Transfer (THMT-18), Rio de Janeiro, Brazil, Jul. 10-13 (2018).
   doi: 10.1615/THMT-18.1130

2017

1. K. Matsubara, Y. Yamada, S. Isojima, M. Nakakura,
   "Numerical simulation of annulus thermal collector for external fired gas turbine",
   6th Asian Symposium on Computational Heat Transfer and Fluid Flow (ASCHT2017), Chennai, India, Dec. 10-13 (2017), 64.
   

2. T. Kodama, N. Gokon, H.-S. Cho, S. Bellan, K. Matsubara, K. Inoue,
   "Particle fluidized bed receiver/reactor with a beam-down solar concentrating optics: performance test of two-step water splitting with ceria particles using 30-kWth sun-simulator",
   Solar Power and Chemical Energy Systems 2017 (SolarPACES2017), Santiago, Chile, Sept. 26-29 (2017).
   doi: 10.1063/1.5067143

3. S. Bellan, K. Matsubara, H.-S. Cho, N. Gokon, T. Kodama,
   "CFD-DEM investigation on flow and temperature distribution of ceria particles in a beam-down fluidized bed reactor",
   Solar Power and Chemical Energy Systems 2017 (SolarPACES2017), Santiago, Chile, Sept. 26-29 (2017).
   doi: 10.1063/1.5067137

4. M. Nakakura, K. Matsubara, Y. Aoki, S. Bellan, H.-S. Cho, N. Gokon,
   "Discrete ordinates simulation of volumetric solar receiver with beam-down irradiation and its verification using big sun simulator",
   SOLARIS Conference 2017, London, UK, Jul. 27-28 (2017), Solaris_2017_106.
   

5. K. Matsubara, S. Isojima, M. Nakakura, Y. Yamada, S. Kawagoe,
   "Numerical simulation of high temperature solar receiver and thermal receiver for solar micro gas turbine",
   17th International Conference on Power Engineering (ICOPE-17), Charlotte, USA, Jun. 26-30 (2017), POWER-ICOPE2017-3162.
   doi: 10.1115/POWER-ICOPE2017-3162

6. M. Nakakura, K. Matsubara, S. Kawagoe, S. Bellan, H.-S. Cho, N. Gokon, T. Kodama,
   "Numerical simulation of volumetric air receiver for beam down reflector",
   1st Asian Conference on Thermal Sciences (ACTS2017), Jeju, Korea, Mar. 26-30 (2017), P00304.
   

2016

1. T. Kodama, N. Gokon, H.-S. Cho, K. Matsubara, H. Kaneko, K. Senuma, S. Itoh, S. Yokota,
   "Particles fluidized bed receiver/reactor tests with quartz sand particles using a 100-kWth beam-down solar concentrating system at Miyazaki",
   Solar Power and Chemical Energy Systems 2016 (SolarPACES2016), Abu Dhabi, UAE, Oct. 11-14 (2016).
   doi: 10.1063/1.4984469

2. S. Bellan, H.-S. Cho, N. Gokon, K. Matsubara, T. Kodama,
   "Numerical analysis of fluid flow and heat transfer during melting inside a cylindrical container for thermal energy storage system",
   Solar Power and Chemical Energy Systems 2016 (SolarPACES2016), Abu Dhabi, UAE, Oct. 11-14 (2016).
   doi: 10.1063/1.4984427

3. T. Suzuki, K. Matsubara, Y. Matsudaira, T. Kodama,
   "Experimental visualization and analysis of cold model for fluidized bed solar receiver",
   13th International Conference on Flow Dynamics (ICFD2016), Sendai, Japan, Oct. 10-12 (2016).
   

4. S. Kawagoe, M. Nakakura, K. Matsubara,
   "Heat transfer analysis of high temperature solar receiver",
   13th International Conference on Flow Dynamics (ICFD2016), Sendai, Japan, Oct. 10-12 (2016), OS16-55.
   

2015

1. M. Nakakura, M. Ohtake, T. Yoshida, K. Matsubara, T. Kodama, K. Yoshida, H.-S. Cho,
   "Heat conductivity performance of SiC and Si3N4 as volumetric receiver under concentrated irradiation",
   Solar World Congress 2015 (SWC2015), Daegu, Korea, Nov. 8-12 (2015), 0069.
   doi: 10.18086/swc.2015.04.07

2. T. Kodama, N. Gokon, H.-S. Cho, K. Matsubara, T. Etori, A. Takeuchi, S. Yokota, S. Ito,
   "Particles fluidized bed receiver/reactor with a beam-down solar concentrating optics: 30-kWth performance test using a big sun-simulator",
   Solar Power and Chemical Energy Systems 2015 (SolarPACES2015), Cape Town, South Africa, Oct. 13-16 (2015).
   doi: 10.1063/1.4949206

3. M. Nakakura, M. Ohtake, K. Matsubara, K. Yoshida, H.-S. Cho, T. Kodama, N. Gokon,
   "Experimental demonstration and numerical model of a point concentration solar receiver evaluation system using a 30kWth sun simulator",
   Solar Power and Chemical Energy Systems 2015 (SolarPACES2015), Cape Town, South Africa, Oct. 13-16 (2015), 030026.
   doi: 10.1063/1.4949078