Division of Renewable Energy Dynamics

Research Output 1980 2020

2020

3D numerical study of the asymmetric phenomenon in 200 mm floating zone silicon crystal growth

Han, X. F., Liu, X., Nakano, S., Harada, H., Miyamura, Y. & Kakimoto, K., Feb 15 2020, In : Journal of Crystal Growth. 532, 125403.

Research output: Contribution to journalArticle

Silicon
Crystallization
Crystal growth
floating
crystal growth

Theoretical study of adatom stability on polar GaN surfaces during MBE and MOVPE

Inatomi, Y. & Kangawa, Y., Feb 1 2020, In : Applied Surface Science. 502, 144205.

Research output: Contribution to journalArticle

Reconstruction (structural)
Gallium nitride
Gallium
Metallorganic vapor phase epitaxy
Surface reconstruction

Transient global modeling for the pulling process of Czochralski silicon crystal growth. I. Principles, formulation, and implementation of the model

Liu, X., Harada, H., Miyamura, Y., Han, X. F., Nakano, S., Nishizawa, S. I. & Kakimoto, K., Feb 15 2020, In : Journal of Crystal Growth. 532, 125405.

Research output: Contribution to journalArticle

pulling
Silicon
Crystallization
Crystal growth
crystal growth

Transient global modeling for the pulling process of Czochralski silicon crystal growth. II. Investigation on segregation of oxygen and carbon

Liu, X., Harada, H., Miyamura, Y., Han, X. F., Nakano, S., Nishizawa, S. I. & Kakimoto, K., Feb 15 2020, In : Journal of Crystal Growth. 532, 125404.

Research output: Contribution to journalArticle

pulling
Silicon
Crystallization
Crystal growth
crystal growth
2019
3 Citations (Scopus)
Open Access
Wind Turbine
Large Eddy Simulation
Large eddy simulation
Wind turbines
Farms
1 Citation (Scopus)

A micromechanical model for the analysis of multidirectional fiber reinforced polymer laminates

Deng, X., Hu, J., Wang, W. X. & Matsubara, T., Jan 15 2019, In : Composite Structures. 208, p. 507-516 10 p.

Research output: Contribution to journalArticle

Laminates
Polymers
Carbon fibers
Fibers
Debonding
2 Citations (Scopus)

An actuator line - immersed boundary method for simulation of multiple tidal turbines

Liu, C. & Hu, C., Jun 1 2019, In : Renewable Energy. 136, p. 473-490 18 p.

Research output: Contribution to journalArticle

Turbines
Actuators
Rotors
Wall function
Computational efficiency
2 Citations (Scopus)

A novel tab for tensile testing of unidirectional thermoplastic composites

Tahir, M. M., Wang, W. & Matsubara, T., Jan 1 2019, In : Journal of Thermoplastic Composite Materials. 32, 1, p. 37-51 15 p.

Research output: Contribution to journalArticle

Tensile testing
Thermoplastics
carbon fibers
Polyamides
Carbon fibers
1 Citation (Scopus)

A study on a floating type shrouded wind turbine: Design, modeling and analysis

Zhu, H., Makoto, S., Hu, C. & Yoshida, S., Apr 1 2019, In : Renewable Energy. p. 1099-1113 15 p.

Research output: Contribution to journalArticle

Wind turbines
Towers
Bearings (structural)
Mooring
Hinges

A study on smoothed particle hydrodynamics for liquid metal flow simulation

Salami, J. A., Hu, C. & Hanada, K., Sep 2019, In : Evergreen. 6, 3, p. 190-199 10 p.

Research output: Contribution to journalArticle

Flow simulation
Liquid metals
physics
Hydrodynamics
Physics

Catalytic Synthesis of Nitric Monoxide at the AlN(0001) Surface: Ab Initio Analysis

Strak, P., Sakowski, K., Kempisty, P., Grzegory, I. & Krukowski, S., May 2 2019, In : Journal of Physical Chemistry C. 123, 17, p. 10893-10906 14 p.

Research output: Contribution to journalArticle

Adatoms
Nitrogen
adatoms
Adsorption
nitrogen

CFD simulation of tidal current farm by using AL model

Liu, C. & Hu, C., Feb 1 2019, In : Journal of Hydrodynamics. 31, 1, p. 34-40 7 p.

Research output: Contribution to journalArticle

Immersed Boundary Method
CFD Simulation
turbines
Turbine
Wake
2 Citations (Scopus)

CH 4 Adsorption Probability on GaN(0001) and (000-1) during Metalorganic Vapor Phase Epitaxy and Its Relationship to Carbon Contamination in the Films

Kusaba, A., Li, G., Kempisty, P., von Spakovsky, M. R. & Kangawa, Y., Mar 1 2019, In : Materials. 16, 6, 972.

Research output: Contribution to journalArticle

Open Access
Metallorganic vapor phase epitaxy
Contamination
Carbon
Adsorption
Thermodynamics

Effects of the off-axis layer on the tensile failure of carbon fiber reinforced polymer [0/θ]ns laminates

Deng, X., Wang, W. X. & Matsubara, T., Aug 7 2019, In : IOP Conference Series: Materials Science and Engineering. 576, 1, 012024.

Research output: Contribution to journalConference article

Open Access
Beams and girders
Tensile testing
Carbon fibers
Laminates
Reinforcement
1 Citation (Scopus)
Free energy
free energy
Phase diagrams
phase diagrams
Density functional theory
1 Citation (Scopus)

Experimental study of the interaction of dambreak with a vertical cylinder

Kamra, M. M., Al Salami, J., Makoto, S. & Hu, C., Apr 1 2019, In : Journal of Fluids and Structures. 86, p. 185-199 15 p.

Research output: Contribution to journalArticle

Dams
Circular cylinders
Pressure measurement
Momentum
Mechanics

First-Principles Calculation of Bandgaps of Al1−xInxN Alloys and Short-Period Al1−xInxN/Al1−yInyN Superlattices

Kawamura, T., Fujita, Y., Hamaji, Y., Akiyama, T., Kangawa, Y., Gorczyca, I., Suski, T., Wierzbowska, M. & Krukowski, S., Jan 1 2019, (Accepted/In press) In : Physica Status Solidi (B) Basic Research. 1900530.

Research output: Contribution to journalArticle

Superlattices
superlattices
Energy gap
Chemical analysis
pseudopotentials

First-principle study of ammonia decomposition and nitrogen incorporation on the GaN surface in metal organic vapor phase epitaxy

Bui, K. M., Iwata, J. I., Kangawa, Y., Shiraishi, K., Shigeta, Y. & Oshiyama, A., Feb 1 2019, In : Journal of Crystal Growth. 507, p. 421-424 4 p.

Research output: Contribution to journalArticle

Vapor phase epitaxy
Ammonia
vapor phase epitaxy
ammonia
Nitrogen
1 Citation (Scopus)
Open Access
Mesh generation
Parallel Simulation
Meshing
High Performance
Domain decomposition methods

In-situ measurement of CO gas concentration in a Czochralski furnace of silicon crystals

Miyamura, Y., Harada, H., Liu, X., Nakano, S., Nishizawa, S. & Kakimoto, K., Feb 1 2019, In : Journal of Crystal Growth. 507, p. 154-156 3 p.

Research output: Contribution to journalArticle

Silicon
Carbon Monoxide
in situ measurement
furnaces
contamination
wind turbine
wind wave
wave energy
Wind turbines
experimental study
1 Citation (Scopus)

Kinetic-thermodynamic model for carbon incorporation during step-flow growth of GaN by metalorganic vapor phase epitaxy

Inatomi, Y., Kangawa, Y., Pimpinelli, A. & Einstein, T. L., Jan 2 2019, In : Physical Review Materials. 3, 1, 013401.

Research output: Contribution to journalArticle

Metallorganic vapor phase epitaxy
vapor phase epitaxy
Carbon
Thermodynamics
Partial pressure
2 Citations (Scopus)

New assessment scales for evaluating the degree of risk of wind turbine blade damage caused by terrain-induced turbulence

Uchida, T. & Kawashima, Y., Jan 1 2019, In : Energies. 12, 13, 2624.

Research output: Contribution to journalArticle

Open Access
Turbine Blade
Wind Turbine
Wind turbines
Turbomachine blades
Turbulence
Open Access
Hydrostatic pressure
Laminates
Numerical analysis
Defects
Composite materials
1 Citation (Scopus)
Open Access
Surface Roughness
Numerical Investigation
Turbulence
High Resolution
Digital Elevation Model

Power output enhancement of a ducted wind turbine by stabilizing vortices around the duct

Watanabe, K., Ohya, Y. & Uchida, T., Aug 18 2019, In : Energies. 12, 16, en12163171.

Research output: Contribution to journalArticle

Open Access
Wind Turbine
Wind turbines
Ducts
Vortex
Vortex flow

Thermodynamic analysis of semipolar gan and aln under metalorganic vapor phase epitaxy growth conditions

Seta, Y., Pradipto, A. M., Akiyama, T., Nakamura, K., Ito, T., Kusaba, A. & Kangawa, Y., Jan 1 2019, In : Japanese Journal of Applied Physics. 58, SC, SC1014.

Research output: Contribution to journalArticle

Open Access
Metallorganic vapor phase epitaxy
vapor phase epitaxy
Thermodynamics
thermodynamics
Nitrides
2 Citations (Scopus)

Time-dependent behavior of melt flow in the industrial scale silicon Czochralski growth with a transverse magnetic field

Yokoyama, R., Nakamura, T., Sugimura, W., Ono, T., Fujiwara, T. & Kakimoto, K., Aug 1 2019, In : Journal of Crystal Growth. 519, p. 77-83 7 p.

Research output: Contribution to journalArticle

Open Access
Crystal growth from melt
Silicon
Magnetic fields
Computer simulation
silicon
2018
1 Citation (Scopus)

3D Global Heat Transfer Model on Floating Zone for Silicon Single Crystal Growth

Han, X. F., Liu, X., Nakano, S., Harada, H., Miyamura, Y. & Kakimoto, K., May 1 2018, In : Crystal Research and Technology. 53, 5, 1700246.

Research output: Contribution to journalArticle

Silicon
Crystallization
Crystal growth
floating
crystal growth

3D numerical simulation of free surface shape during the crystal growth of floating zone (FZ) silicon

Han, X. F., Liu, X., Nakano, S., Harada, H., Miyamura, Y. & Kakimoto, K., Feb 1 2018, In : Journal of Crystal Growth. 483, p. 269-274 6 p.

Research output: Contribution to journalArticle

Silicon
Crystallization
Crystal growth
floating
crystal growth
5 Citations (Scopus)

An adaptive multi-moment FVM approach for incompressible flows

Liu, C. & Hu, C., Apr 15 2018, In : Journal of Computational Physics. 359, p. 239-262 24 p.

Research output: Contribution to journalArticle

incompressible flow
Incompressible flow
finite volume method
Finite volume method
interpolation
1 Citation (Scopus)

A reliable open-source package for performance evaluation of floating renewable energy systems in coastal and offshore regions

Liu, Y., Yoshida, S., Hu, C., Makoto, S., Sun, L., Gao, J., Cong, P. & He, G., Oct 15 2018, In : Energy Conversion and Management. 174, p. 516-536 21 p.

Research output: Contribution to journalArticle

Software packages
Green's function
Computer simulation
Costs

Atomic arrangement and in composition in InGaN quantum wells

Kangawa, Y., Jan 1 2018, Springer Series in Materials Science. Springer Verlag, p. 109-124 16 p. (Springer Series in Materials Science; vol. 269).

Research output: Chapter in Book/Report/Conference proceedingChapter

Indium
Epitaxial layers
Semiconductor quantum wells
Defects
Chemical analysis
3 Citations (Scopus)

Block-based adaptive mesh refinement for fluid–structure interactions in incompressible flows

Liu, C. & Hu, C., Nov 1 2018, In : Computer Physics Communications. 232, p. 104-123 20 p.

Research output: Contribution to journalArticle

incompressible flow
Incompressible flow
falling
interpolation
Interpolation
8 Citations (Scopus)
Wind Turbine
Computational Fluid Dynamics
Accidents
Japan
Wind turbines
5 Citations (Scopus)

Computational fluid dynamics approach to predict the actualwind speed over complex terrain

Uchida, T., Jan 1 2018, In : Energies. 11, 7, 1694.

Research output: Contribution to journalArticle

Wind Speed
Computational Fluid Dynamics
Computational fluid dynamics
Predict
Time series
1 Citation (Scopus)

Determination of C concentration in P-doped n-type Czochralski-grown Si crystals by liquid N temperature photoluminescence after electron irradiation

Ishikawa, Y., Tajima, M., Kiuchi, H., Ogura, A., Miyamura, Y., Harada, H. & Kakimoto, K., Aug 1 2018, In : Japanese Journal of Applied Physics. 57, 8, 08RB06.

Research output: Contribution to journalArticle

Electron irradiation
electron irradiation
Photoluminescence
photoluminescence
Crystals

Do thermal donors reduce the lifetimes of Czochralski-grown silicon crystals?

Miyamura, Y., Harada, H., Nakano, S., Nishizawa, S. & Kakimoto, K., May 1 2018, In : Journal of Crystal Growth. 489, p. 1-4 4 p.

Research output: Contribution to journalArticle

Silicon
life (durability)
Crystals
silicon
crystals
2 Citations (Scopus)

Effect of controlled crucible movement on melting process and carbon contamination in Czochralski silicon crystal growth

Liu, X., Han, X. F., Nakano, S. & Kakimoto, K., Feb 1 2018, In : Journal of Crystal Growth. 483, p. 241-244 4 p.

Research output: Contribution to journalArticle

Crucibles
Silicon
crucibles
Crystallization
Crystal growth
2 Citations (Scopus)

Effect of oxygen on dislocation multiplication in silicon crystals

Fukushima, W., Harada, H., Miyamura, Y., Imai, M., Nakano, S. & Kakimoto, K., Mar 15 2018, In : Journal of Crystal Growth. 486, p. 45-49 5 p.

Research output: Contribution to journalArticle

Silicon
Dislocations (crystals)
multiplication
Oxygen
Crystals
1 Citation (Scopus)

Energy absorption capacity of basalt sandwich composite cylinder subjected to axial compression loadings

Roslan, M. N., Yahya, M. Y., Ahmad, Z., Abdul Rashid, A. H. & Wang, W., Jan 1 2018, Material Science and Engineering Technology VI - 6th ICMSET 2017. Agarwal, R. K. (ed.). Trans Tech Publications Ltd, p. 7-11 5 p. (Materials Science Forum; vol. 917 MSF).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Basalt
Axial compression
energy absorption
Energy absorption
basalt
3 Citations (Scopus)

Failure behavior of quasi-isotropic carbon fiber-reinforced polyamide composites under tension

Mohd Tahir, M., Wang, W. & Matsubara, T., Sep 3 2018, In : Advanced Composite Materials. 27, 5, p. 483-497 15 p.

Research output: Contribution to journalArticle

Nylons
Polyamides
Carbon fibers
Laminates
Composite materials

First-principles study of polar, nonpolar, and semipolar GaN surfaces during oxide vapor phase epitaxy growth

Kawamura, T., Kitamoto, A., Imade, M., Yoshimura, M., Mori, Y., Morikawa, Y., Kangawa, Y., Kakimoto, K. & Akiyama, T., Nov 1 2018, In : Japanese Journal of Applied Physics. 57, 11, 115504.

Research output: Contribution to journalArticle

Vapor phase epitaxy
vapor phase epitaxy
Oxides
oxides
Desorption

High-Throughput Parallel Simulation of Airflow for Detailed Land Configuration

Ono, K. & Uchida, T., Oct 17 2018, the 12th Asian Computational Fluid Dynamics Conference (ACFD).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

10 Citations (Scopus)
Economic and social effects
Wind Turbine
Large Eddy Simulation
Large eddy simulation
Wind turbines
3 Citations (Scopus)

Numerical analyses and experimental validations on transport and control of carbon in Czochralski silicon crystal growth

Liu, X., Harada, H., Miyamura, Y., Han, X. F., Nakano, S., Nishizawa, S. & Kakimoto, K., Oct 1 2018, In : Journal of Crystal Growth. 499, p. 8-12 5 p.

Research output: Contribution to journalArticle

Silicon
Carbon Monoxide
Crystallization
Crystal growth
crystal growth
1 Citation (Scopus)

Numerical and experimental investigation of three-dimensionality in the dam-break flow against a vertical wall

Kamra, M. M., Mohd, N., Liu, C., Makoto, S. & Hu, C., Aug 1 2018, In : Journal of Hydrodynamics. 30, 4, p. 682-693 12 p.

Research output: Contribution to journalArticle

Dam Break
dams
Numerical Investigation
Experimental Investigation
Dams

Numerical investigation of regular waves interaction with two fixed cylinders in tandem arrangement

Liu, Z., Wan, D. & Hu, C., Jan 1 2018, Ocean Engineering. American Society of Mechanical Engineers (ASME), (Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE; vol. 7A).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Computational fluid dynamics
Computer simulation
Navier Stokes equations
Gages
Transfer functions
6 Citations (Scopus)
Large Eddy Simulation
Large eddy simulation
Numerical Investigation
Turbulence
Wind Turbine
1 Citation (Scopus)

Numerical Simulations of Flows around Floating Offshore Wind Turbine

Cheng, P., Wan, D. & Hu, C., Jan 1 2018, Proceedings of the 28th International Ocean and Polar Engineering Conference, ISOPE 2018. International Society of Offshore and Polar Engineers, p. 414-421 8 p. (Proceedings of the International Offshore and Polar Engineering Conference; vol. 2018-June).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Offshore wind turbines
Wind turbines
Computer simulation
Hydrodynamics
Ocean engineering