2023

1. Y. Koyama, K. Ito, S. Ohta, M. Nakakura, K. Matsubara, T. Kodama, K. Warren, A. Weimer,
   "Two-step carbon dioxide thermochemical splitting using foam device of ceria and hercynite",
   Journal of Japan Solar Energy Society, 49(4), 71-76 (2023).
   doi: 10.24632/jses.49.4_71

2022

1. G. Tsurumaki, S. Bellan, K. Matsubara, T. Kodama, M. Nakakura, N. Gokon, H.S. Cho, K. Mani, S. Shanmugasundaram,
   "Fluidization behaviour of redox metal oxide and spinel particles to develop high-energy-density thermal energy storage system for concentrated solar power applications",
   J Therm. Sci. Technol., 17(2), 22-00061 (2022).
   doi: 10.1299/jtst.22-00061

2. H. Maruyama, A. Ochiai, M. Nakakura, S. Bellan, H.S. Cho, K. Matsubara,
   "Conjugate radiation-convection-conduction simulation of cubic lattice solar receiver with high porosity for high-temperature heat absorption",
   J Therm. Sci. Technol., 17(2), 22-00057 (2022).
   doi: 10.1299/jtst.22-00057

2020

1. K. Matsubara, H. Ohta, T. Ishino,
   "Direct simulation of inlet region heat transfer in a channel with repeated ribs under iso-thermal wall heating condition",
   Int. J. Therm. Sci., 154, 106408 (2020).
   doi: 10.1016/j.ijthermalsci.2020.106408

2. K. Kawasaki, M. Nakakura, K. Matsubara,
   "Conjugate simulation of solar honeycomb receiver for high temperature heat absorption at constant incident heat flux",
   J Therm. Sci. Technol., 15(2), JTST0018 (2020).
   doi: 10.1299/jtst.2020jtst0018

3. M. Nakakura, K. Matsubara, S. Bellan, T. Kodama,
   "Direct simulation of a volumetric solar receiver with different cell sizes at high outlet temperatures",
   Renew. Energy, 146, 1143-1152 (2020).
   doi: 10.1016/j.renene.2019.07.039

2019

1. S. Bellan, T. Kodama, K. Matsubara, N. Gokon, H.-S. Cho, K. Inoue,
   "Heat transfer and particulate flow analysis of a 30 kW directly irradiatedsolar fluidized bed reactor for thermochemical cycling",
   Chem. Eng. Sci., 203, 511-525 (2019).
   doi: 10.1016/j.ces.2018.09.012

2. M. Nakakura, K. Matsubara, S. Bellan, T. Kodama,
   "Efficiency and heat loss analysis of honeycomb receiver varying air mass flow rate and beam width",
   Int. J. Heat Mass Transf., 137, 1027-1040 (2019).
   doi: 10.1016/j.ijheatmasstransfer.2019.03.153

3. K. Matsubara, T. Muromoto,
   "Two-point correlation and integral scale of spatially advancing curved channel flow at friction-velocity-based Reynolds number 550",
   Int. J. Heat Fluid Flow, 77, 31-39 (2019).
   doi: 10.1016/j.ijheatfluidflow.2019.03.003

4. S. Bellan, T. Kodama, K. Matsubara, N. Gokon, H.-S. Cho, K. Inoue,
   "Thermal performance of a 30 kW fluidized bed reactor for solar gasification: A CFD-DEM study",
   Chem. Eng. J., 360, 1287-1300 (2019).
   doi: 10.1016/j.cej.2018.10.111

2018

1. S. Bellan, N. Gokon, K. Matsubara, H.-S. Cho, T. Kodama,
   "Heat transfer analysis of 5kWth circulating fluidized bed reactor for solar gasification using concentrated Xe light radiation",
   Energy, 160, 245-256 (2018).
   doi: 10.1016/j.energy.2018.06.212

2. S. Bellan, N. Gokon, K. Matsubara, H.-S. Cho, T. Kodama,
   "Numerical and experimental study on granular flow and heat transfer characteristics of directly-irradiated fluidized bed reactor for solar gasification",
   Int. J. Hydrog. Energy, 43(34), 1-15 (2018).
   doi: 10.1016/j.ijhydene.2018.06.033

3. M. Nakakura, S. Bellan, K. Matsubara, T. Kodama,
   "Conjugate radiation-convection-conduction simulation of volumetric solar receivers with cut-back inlets",
   Sol. Energy, 170, 606-617 (2018).
   doi: 10.1016/j.solener.2018.06.006

4. K. Matsubara, M. Nakakura, S. Bellan, K. Maezawa,
   "Loop thermosiphon thermal collector for waste heat recovery power generation",
   Exp. Heat Transf., 31, 1-18 (2018).
   doi: 10.1080/08916152.2018.1491907

5. S. Bellan, K. Matsubara, H.-S. Cho, N. Gokon, T. Kodama,
   "A CFD-DEM study of hydrodynamics with heat transfer in a gas-solid fluidized bed reactor for solar thermal applications",
   Int. J. Heat Mass Transf., 116, 377-392 (2018).
   doi: 10.1016/j.ijheatmasstransfer.2017.09.015

2017

1. A. Sakurai, R. Kanbayashi, K. Matsubara,
   "Radiation effects on turbulent natural convection in optically thick participating fluids using direct numerical simulation",
   Numer. Heat Tranf. A-Appl., 72(12), 904-920 (2017).
   doi: 10.1080/10407782.2017.1412713

2. M. Nakakura, K. Matsubara, H.-S. Cho, T. Kodama, N. Gokon, S. Bellan, K. Yoshida,
   "Buoyancy-opposed volumetric solar receiver with beam-down optics irradiation",
   Energy, 141, 2337-2350 (2017).
   doi: 10.1016/j.energy.2017.11.147

3. S. Bellan, K. Matsubara, C.-H. Cho, N. Gokon, T. Kodama,
   "CFD-DEM investigation of particles circulation pattern of two-tower fluidized bed reactor for beam-down solar concentrating system",
   Powder Technol., 319, 228-237 (2017).
   doi: 10.1016/j.powtec.2017.06.060

4. K. Matsubara, T. Miura,
   "Spatially advancing turbulent flow and heat transfer in a curved channel at friction-velocity-based Reynolds number 550",
   Int. J. Heat Mass Transf., 108, 2433-2443 (2017).
   doi: 10.1016/j.ijheatmasstransfer.2017.01.012

2016

1. K. Matsubara, H. Ohta, T. Miura,
   "Entrance region heat transfer in a channel With a ribbed wall",
   J. Heat Transf.-Trans. ASME, 138(12), 1-7 (2016).
   doi: 10.1115/1.4034052

2. K. Matsubara, T. Narumi,
   "Microfluidic mixing using unsteady electroosmotic vortices produced by a staggered array of electrodes",
   Chem. Eng. J., 288, 638-647 (2016).
   doi: 10.1016/j.cej.2015.12.013

3. K. Matsubara, Y. Matsudaira, I. Kourakata,
   "Thermosiphon loop thermal collector for low-temperature waste heat recovery",
   Appl. Therm. Eng., 92, 261-270 (2016).
   doi: 10.1016/j.applthermaleng.2015.09.004

2015

1. K. Matsubara, H. Tamai, H. Tanuma, Y. Matsudaira, P. Das, P. Acharjee, S. Morimoto,
   "Research and development of mixed and standard type biomass gas turbine system with enhanced fuel applicability",
   Journal of the Japan Institute of Energy, 94, 1362-1370 (2015).
   doi: 10.3775/jie.94.1362

2. K. Matsubara, Y. Kazuma, A. Sakurai, T. Kodama, N. Gokon, H.-S. Cho, K. Yoshida, Y. Nagase,
   "Laboratory experiment and simulation of high-temperature fluidized bed air receiver for concentrated solar power generation",
   Journal of the Japan Institute of Energy, 94, 1323-1329 (2015).
   doi: 10.3775/jie.94.1323

3. K. Matsubara, T. Miura, H. Ohta,
   "Transport dissimilarity in turbulent channel flow disturbed by rib protrusion with aspect ratio up to 64",
   Int. J. Heat Mass Transf., 86, 113-123 (2015).
   doi: 10.1016/j.ijheatmasstransfer.2015.02.018

4. M. Nakakura, M. Ohtake, K. Matsubara, K. Yoshida, H.-S. Cho, T. Kodama, N. Gokon,
   "Development of a Receiver Evaluation System Using 30 kWth Point Concentration Solar Simulator",
   Energy Procedia, 69, 497-505 (2015).
   doi: 10.1016/j.egypro.2015.03.058

5. K. Matsubara, H. Sakai, Y. Kazuma, A. Sakurai, T. Kodama, N. Gokon, H.-S. Cho, K. Yoshida,
   "Numerical modeling of a two-tower type fluidized receiver for high temperature solar concentration by a beam-down reflector system",
   Energy Procedia, 69, 487-496 (2015).
   doi: 10.1016/j.egypro.2015.03.057