Yuji Ohya, Masaki Wataka, Koichi Watanabe, Takanori Uchida, Laboratory experiment and numerical analysis of a new type of solar tower efficiently generating a thermal updraft, energies, 9, 12, 2016.12.
Shigeo Yoshida, Uli Goeltenbott, Yuji Ohya, Peter Jamieson, Coherence Effects on the Power and Tower Loads of a 7 × 2 MW Multi-Rotor Wind Turbine System, Energies, 10.3390/en9090742, 9(9), 742, 2016.09.
Uli Goeltenbott, Yuji Ohya, Shigeo Yoshida, Peter Jamieson, Flow interaction of diffuser augmented wind turbines, Journal of Physics: Conference Series [online journal], 753, 2, 2016.09.
Takanori Uchida, Reproducibility of Complex Turbulent Flow Using Commercially-Available CFD Software ―Report 1: For the Case of a Three-Dimensional Isolated-Hill With Steep Slopes―, Reports of Research Institute for Applied Mechanics, Kyushu University, 150, pp.47-59, 2016.03.
Takanori Uchida, Reproducibility of Complex Turbulent Flow Using Commercially-Available CFD Software ―Report 2: For the Case of a Two-Dimensional Ridge With Steep Slopes―, Reports of Research Institute for Applied Mechanics, Kyushu University, 150, pp.67-70, 2016.03.
Takanori Uchida, Reproducibility of Complex Turbulent Flow Using Commercially-Available CFD Software ―Report 3: For the Case of a Three-dimensional Cube―, Reports of Research Institute for Applied Mechanics, Kyushu University, 150, pp.71-83, 2016.03.
Shinsuke Okada, Takanori Uchida, Takashi Karasudani, Yuji Ohya, Improvement in Solar Chimney Power Generation by Using a Diffuser Tower, Journal of Solar Energy Engineering, Transactions of the ASME, 138, 1, 2016.02.
Takanori Uchida, Fumihito Watanabe, Shin Mikami, Analysis of the Airflow Field around a Steep, Three-dimensional Isolated Hill with Commercially Available CFD Software, Reports of Research Institute for Applied Mechanics, Kyushu University, 149, pp.91-98, 2015.09.
Fumihito Watanabe, Takanori Uchida, Micro-siting of Wind Turbine in Complex Terrain:Simplified Fatigue Life Prediction of Main Bearing in Direct Drive Wind Turbines, WIND ENGINEERING, 39, 4, pp.21, 2015.07.
Kenji Kitagawa, Shintaro Iwama, Sho Fukui, Yuuki Sunaoka, Hayato Yazawa, Atsushi Usami, Masaaki Naramoto, Takanori Uchida, Satoshi Saito, Hiromi Mizunaga, Effects of Components of the Leaf Area Distribution on Drag Relations for Cryptomeria Japonica and Chamaecyparis Obtusa, European Journal of Forest Research, 134, 3, pp.403-414, 2015.05.
Takanori Uchida, An Examination of the Taikoyama Wind Farm Nacelle Separation Accident Using a CFD Approach, Reports of Research Institute for Applied Mechanics, Kyushu University, 148, pp.10, 2015.03.
Kazuhiko Toshimitsu, Koutarou Nishikawa, Wataru Haruki, Shinichi Oono, Manabu Takao, Yuji Ohya, PIV Measurements of Flows around the Wind Turbines with a Flanged-Diffuser Shroud, Journal of Thermal Science, Vol.17, No.4, pp.375-380, 2015.03.
Fumihito Watanabe, Takanori Uchida, Micro-siting of wind turbine in complex terrain Simplified fatigue life prediction of main bearing in direct drive wind turbines, Wind Engineering, 39, 4, pp.349-368, 2015.01.
WENXUE WANG, Terutake Matsubara, Changhong Hu, Satoru Odawara, Tomoyuki Nagai, Takashi Karasudani, Yuji Ohya, Experimental investigation into the influence of the flanged diffuser on the dynamic behavior of CFRP blade of a shrouded wind turbine, Renewable Energy, Vol.78, pp.386-397, 2015.01.
2014
Keita Ozono, Yuji Ohya, Takashi Karasudani, Takanori Uchida, Research on Shrouded Water Turbine with Highly Efficient Power Output, Proceedings of the eighth International Symposium on the East Asian Environment Problems (EAEP2014), 2014.12.
Sho Fukutomi, Yuji Ohya, Takashi Karasudani, Takanori Uchida, Kenichiro Sugitani, Augmentation of Wind Speed by Utilizing the Wind over Solar Tower , Proceedings of the eighth International Symposium on the East Asian Environment Problems (EAEP2014), 2014.12.
Uli Goltenbott, Takashi Karasudani, Yuji Ohya, Peter Jamieson, Aerodynamic Analysis of Clustered Wind Lends Turbines, Proceedings of the eighth International Symposium on the East Asian Environment Problems (EAEP2014), 2014.12.
Yuji Ohya, Bluff body flow and vortex - its application to wind turbines, Fluid Dynamics Research, Vol.46, No.6, 2014.12.
Masataka Motoyama, Kenichiro Sugitani, Yuji Ohya, Takashi karasudani, Tomoyuki Nagai, Shinsuke Okada, Improving the Power Generation Performance of a Solar Tower Using Thermal Updraft Wind, Open journal of Energy and Power Engineering, Vol.6, pp.362-370, 2014.10.
Takanori Uchida, Validation Testing of the Prediction Accuracy of the Numerical Wind Synopsis Prediction Technique RIAM-COMPACT for the Case of the Bolund Experiment-Comparison against a Wind-Tunnel Experiment-, Reports of Research Institute for Applied Mechanics, Kyushu University, 147, pp.7-14, 2014.09.
Masataka Motoyama, Yuji Ohya, Takashi Karasudani, Tomoyuki Nagai, Kenichiro Sugitani, Shinsuke Okada, Improvement of Power Generation on Solar Tower by Thermal Updraft Wind, Grand Renewable Energy 2014 Proceedings, pp.1-4, CD-R NO.O-Th-2-3, 2014.07.
WENXUE WANG, Terutake Matsubara, Saroru Odawara, Yuji Ohya, Takashi Karasudani, EFFECTS OF THE FLANGED DIFFUSER ON THE DYNAMIC BEHAVIOR OF CFRP BLADE OF A SHROUDED WIND TURBINE, Grand Renewable Energy 2014 Proceedings , pp.1-4, CD-R NO.O-Wd-18-1, 2014.07.
Changhong Hu, Makoto Sueyoshi, Yusaku Kyozuka, Shigeo Yoshida, Yuji Ohya, DEVELOPMENT OF NEW FLOATING PLATFORM FOR MULTIPLE OCEAN RENEWABLE ENERGY, Grand Renewable Energy 2014 Proceedings, pp.1-4, CD-R NO.O-Oc-20-4, 2014.07.
Yusaku Kyozuka, Makoto Sueyoshi, Changhong Hu, Yuji Ohya, DEMONSTRATION EXPERIMENT OF OFFSHORE WIND POWER GENERATION BY A HEXAGONAL FLOATING PLATFORM IN HAKATA BAY, Grand Renewable Energy 2014 Proceedings, pp.1-4, CD-R NO.O-WdOc-3-3, 2014.07.
Yingyi Liu, Changhong Hu, Makoto Sueyoshi, Shigeo Yoshida, Yuji Ohya, DEVELOPMENT OF AN INTEGRATED ANALYSIS TOOL FOR SEMI-SUBMERSIBLE FLOATING OFFSHORE WIND TURBINE SYSTEM, Grand Renewable Energy 2014 Proceedings, pp.1-4, CD-R NO.O-WdOc-3-8, 2014.07.
Keiji Matsushima, So Yoshizawa, Uli Goltenbott, Takashi Karasudani, Yuji Ohya, DEVELOPMENT OF NEXT GENERATION ECO-SHIP WITH WIND LENS TURBINE, Grand Renewable Energy 2014 Proceedings, 1-4, CD-R NO.P-Wd-1-11, 2014.07.
Tomoyuki Nagai, Yuji Ohya, Takashi Karasudani, Takanori Uchida, OFFSHORE ENERGY FARM EXPERIMENT WITH HIGH PERFORMANCE SHROUDED WIND TURBINES, Grand Renewable Energy 2014 Proceedings, pp.1-4, CD-R NO.P-Wd-2-11, 2014.07.
Ge Litao, Yuji Ohya, Takanori Uchida, Study on energy cost of two wind-turbine generation systems, Grand Renewable Energy 2014 Proceedings, pp.1-4, CD-R NO.P-Wd-2-1, 2014.07.
Litao Ge, Takanori Uchida, Yuji Ohya, Spatial and Annual Variation of Offshore Wind Resource in China, Open journal of Energy and Power Engineering , Vol.6, No.6, pp.111-118, 2014.06.
Tomoyuki Nagai, Yuji Ohya, Takashi Karasudani, Takanori Uchida, Three dimensional vortex structure of a ring like object with high Reynolds number and its application to a shrouded wind turbine , Proceedings of the Sixth International Symposium on Computational Wind Engineering (CWE2014), 2014.06.
Ye-Bonne Koyama, Yuji Ohya, Satoshi Nakano, Takanori Uchida, Tomoyuki Nagai, Flow pattern around three wind turbine generators in a triangular configuration, Proceedings of the Sixth International Symposium on Computational Wind Engineering (CWE2014), 2014.06.
Yuji Ohya, Takanori Uchida, Tomoyuki Nagai, Near Wake of a Horizontal Circular Cylinder in Stably Stratified Flows, Open Journal of Fluid Dynamics, Vol.3, pp.311-320, 2013.12.
Saeid Jalilinasrabady, Ryuichi Itoi, Yuji Ohya, Hybrid geothermal and wind power generation, Geothermal Resources Council Annual Meeting (GRC 2013), 727-731, 2013.12.
Kana Kamimura, Satoshi Saito, Hiroko Kinoshita, Kenji Kitagawa, Takanori Uchida, Hiromi Mizunaga, Analysis of wind damage caused by multiple tropical storm events in Japanese Cryptomeria japonica forests, Forestry, 86, 4, pp.411-420, 2013.10.
内田 孝紀, Graham Li, 市販CFDソフトウェアによる複雑乱流場の再現性-急峻な傾斜角度を有する3次元孤立地形を対象として-, 九州大学応用力学研究所所報, 第145号, pp.107-119, 2013.09.
Shuhei Takahashi, Yuta Hata, Yuji Ohya, Takashi Karasudani, Takanori Uchida, Behavior of the Blade Tip Vortices of a Wind Turbine Equipped with a Brimmed-Diffuser Shroud, Energies2012, 5, p.5229-5242, 2012.12.
Yuji Ohya, Takanori Uchida, Takashi Karasudani, Masaru Hasegawa, Hiroshi Kume, Numerical Studies of Flow around a Wind Turbine Equipped with a Flanged-Diffuser Shroud using an Actuator-Disk Model, Wind Engineering, Vol.36, No.4, pp.455-472, 2012.08.
Hugh Griffiths, Yuji Ohya, Alessio Balleri, Kenneth Tong, Allan Al-armaghany, Takashi Matsuura, Takashi Karasudani, Measurement and analysis of the radar signature of a new type of wind turbine, 2011 IEEE CIE International Conference , Vol.1, pp.837-840, 2012.05.
大屋 裕二, レンズ風車とその将来展望, SC JAPAN TODAY, 通巻448号, pp.40-43, 2012.05.
Yuji OHYA, Takanori UCHIDA, Takashi KARASUDANI, Masaru HASEGAWA and Hiroshi KUME : Numerical Studies of Flow around a Wind Turbine Equipped with a Flanged-Diffuser Shroud using an Actuator-Disk Model, Wind Engineering, Vol.36, No.4, PP.455-472, 2012年3月.
Alessio Balleri and Yuji Ohya : The Wind Lens: a new disruptive turbine?, UCL Bite-sized lecture, UCL, UK, 2012年2月10日.
Griffiths Hugh, Ohya Yuji, Balleri Alessio, Tong Kenneth, Al-armaghany Allan, Matsuura Takashi, Karasudani Takashi, : Measurements and analysis of the radar signature of a new wind turbine design at X-band, IET radar sonar and Navigation, 2012, submitted.
2011
Balleri, Alessio; Al-armaghany, Allan; Griffiths, Hugh; Tong, Kenneth; Matsuura, Takashi; Karasudani, Takashi; Ohya, Yuji : Measurement and Analysis of the Radar Signature of a New Type of Wind Turbine, Tech World, Excel Centre, UK, 2011年11月16日
Takanori UCHIDA and Yuji OHYA : HUGE NUMERICAL SIMULATION OF AIRFLOW AROUND FUKUOKA CITY BY USING THE RIAM-COMPACT CFD MODEL, EAEP2011, 福岡ガーデンパレス, 2011年11月14日.
Nurhayati ROSLY and Yuji OHYA : WIND ENERGY POTENTIAL IN ASIAN COUNTRIES-SPECIAL ATTENTION TO MALAYSIA, EAEP2011, 福岡ガーデンパレス, 2011年11月14日.
Kohei TAKAHASHI, Yuji OHYA, Takashi KARASUDANI, Yusaku KYOUZUKA, Makoto SUEYOSHI : APPLICATION OF WIND LENS TURBINE TO FLOATING PLATFORM FOR WIND POWER GENERATION, EAEP2011, 福岡ガーデンパレス, 2011年11月14日.
Hiroki NAKAMURA and Yuji OHYA : BASIC INVESTIGATIONS OF A NEW TYPE WIND LENS TURBINE, EAEP2011, 福岡ガーデンパレス, 2011年11月14日.
Yuji Ohya, Takashi Karasudani, Chris Takashi Matsuura and Hugh Griffith : SMALL TO MID-SIZE SHROUDED WIND TURBINE WITH WILD-LENS TECHNOLOGY, CanWEA2011, Vancouver Convention Center, Canada, 2011年10月03日.
Takanori UCHIDA, Takashi MARUYAMA, Tetsuya TAKEMI, Yuichiro OKU, Yuji OHYA and Graham Li, Proposal of Designed Wind Speed Evaluation Technique in WTG Installation Point by Using the Meteorological Model and CFD Model , 九州大学応用力学研究所所報, 第141号, pp.1-12, 2011.10
Balleri Alessio, Al-armaghany Allan, Griffiths Hugh, Tong Kenneth, Matsuura Takashi, Karasudani Takashi, Ohya Yuji : Measurements and analysis of the radar signature of a new wind turbine, 2011 IEEE CIE Interntional Conference on, Vol.1, pp.837-840, 2011年10月.
Takanori UCHIDA, Takashi MARUYAMA, Hirohiko ISHIKAWA, Masaru ZAKO and Akira DEGUCHI : Investigation of the Causes of Wind Turbine Blade Damage at Shiratakiyama Wind Farm in Japan-A Computer Simulation Based Approach-, 九州大学応用力学研究所所報, 第141号, pp.13-25, 2011年10月.
Takanori UCHIDA, Takashi MARUYAMA, Tetsuya TAKEMI, Yuichiro OKU, Yuji OHYA and Graham Li : Proposal of Designed Wind Speed Evaluation Technique in WTG Installation Point by Using the Meteorological Model and CFD Model, 九州大学応用力学研究所所報, 第141号, pp.1-12, 2011年10月.
Yuji Ohya, Takashi Karasudani, Takashi Matsuura : A highly efficient wind turbine with windlens shroud, 13th International Conference on Wind Engineering, RAI International Exhibition & Congress Centre, Amsterdam, 2011年07月14日.
Takanori Uchida, Takashi Maruyama and Yuji Ohya, New Evaluation Technique for WTG Design Wind Speed using a CFD-model-based Unsteady Flow Simulation with Wind Direction Changes, Modelling and Simulation in Engineering, 10.1155/2011/941870, 2011, 2011.06.
Yuji Ohya, Takashi Karasudani, Tomoyuki Nagai, Takashi Matsuura and Hugh Griffiths : Development of Shrouded Wind Turbines with Wind-Lends Technology, International Conference on Small Turbine, London, 2011年04月06日.
Takanori Uchida, Yuji Ohya, Kenichiro Sugitani, Comparisons between the Wake of a Wind Turbine Generator Operated at Optimal Tip Speed Ratio and the Wake of a Stationary Disk, Modelling and Simulation in Engineering, 10.1155/2011/749421, 2011, 2011.04.
Takanori Uchida and Yuji Ohya, Latest Developments in Numerical Wind Synopsis Prediction Using the RIAM-COMPACT CFD Model -Design Wind Speed Evaluation and Wind Risk (Terrain-Induced Turbulence) Diagnostics in Japan, Energies, 10.3390/en4030458, 4, 3, 458-474, 2011.03.
内田 孝紀, 大屋 裕二, Three-Dimensional Numerical Simulation of Stably Stratified Flows Over a Two-Dimensional Hill -Effect of Stratification on the Non-Periodic Separation and Reattachment of the Flow-, 九州大学応用力学研究所所報, 第139号, pp.57-68, 2010.09.
Takanori UCHIDA, Yuji OHYA, Challenge to Huge Computation of Airflow around Urban Area by using RIAM-COMPACT CFD Model, Proceedings of EAEP2010/The 4th International Symposium on the Asian Environmental Problems, pp.191-194, 2010.09.
Hirotaka HANO, Takanori UCHIDA, Yuji OHYA, Wake Structure Behind Wind Turbine Generator in Turbulent Boundary Layer, Proceedings of EAEP2010/The 4th International Symposium on the Asian Environmental Problems, pp.195-200, 2010.09.
Takanori Uchida and Yuji Ohya, Large-Eddy Simulation of Topography-Induced Turbulence around WTG by using the RIAM-COMPACT CFD Model, Proceedings of RENEWABLE ENERGY 2010 (RE2010), 2010.06.
Takanori Uchida and Yuji Ohya, HIGH RESOLUTION LES OF TURBULENT AIRFLOW OVER COMPLEX TERRAIN, Proceedings of Seventh Asia-Pacific Conference on Wind Engineering (APCWE-VII), pp.405-408, 2009.11.
T. Hara, Y. Ohya, T. Uchida, R. Ohba, Wind-tunnel and numerical simulations of the coastal thermal internal boundary layer, Boundary-layer meteorology 130 (3), 365-381, 2009.
Takanori Uchida, Yuji Ohya, The wind risk management in the wind farm by using the RIAM-COMPACT CFD code, Proceedings of China Wind Power 2008 & Global Wind Power 2008, 2008.10.
Takanori Uchida, Yuji Ohya, Numerical Simulation of Airflow around Urban Area by using the RIAM-COMPACT CFD Model, Proceedings of Sino-Japan International Symposium on The East Asian Environmental Problems (EAEP2008), pp.51-53, 2008.08.
Yuji Ohya, Reina Nakamura, Takanori Uchida, Intermittent Bursting of Turbulence in a Stable Boundary Layer with Low-Level Jet,Boundary-Layer Meteorology, Boundary-Layer Meteorology, vol.26, No.3, pp.349-363, 2008.01.
K. Toshimitsu, K. Nishikawa, W. Haruki, S. Oono, M. Takao, Y. Ohya, PIV measurements of flows around the wind turbines with a flanged-diffuser shroud, Journal of Thermal Science 17 (4), 375-380, 2008.
Y. Ohya, T. Uchida, Laboratory and numerical studies of the atmospheric stable boundary layers, Journal of Wind Engineering and Industrial Aerodynamics 96 (10), 2150-2160, 2008.
T. Uchida, Y. Ohya, Micro-siting technique for wind turbine generators by using large-eddy simulation, Journal of Wind Engineering and Industrial Aerodynamics 96 (10), 2121-2138, 2008.
Y. Ohya, T. Karasudani, A. Sakurai, K. Abe, M. Inoue, Development of a shrouded wind turbine with a flanged diffuser, Journal of wind engineering and industrial aerodynamics 96 (5), 524-539, 2008.
Y. Ohya, R. Nakamura, T. Uchida, Intermittent bursting of turbulence in a stable boundary layer with low-level jet, Boundary-layer meteorology 126 (3), 349-363, 2008.
T. Uchida, Y. Ohya, Verification of the prediction accuracy of annual energy output at Noma Wind Park by the non-stationary and non-linear wind synopsis simulator, RIAM-COMPACT, Journal of Fluid Science and Technology 3 (3), 344-358, 2008.
2007
Takanori Uchida, High Resolution LES of Airflow over Complex Terrain, Proceedings of APCOM'07-EPMESC XI, 2007.12.
T. Mizota, K. Yamamoto, S. Ogura, Y. Ohya, A. Okajima, M. YAMAMOTO, ..., Erratic Behavior of Less Spinning Soccer Ball Flight, Wind Engineers, JAWE 2007 (111), 193-202, 2007.
Daisuke KOGA, Takanori UCHIDA, Yuji Ohya, Takashi KARASUDANI:Numerical Simulation of Gas Diffusion over Real Complex Terrain, The 2nd KAIST-Kyushu University Student Joint Workshop On Aerospace Engineering in Korea, pp.26-29 (Dec, 2006) .
S. Okada, O. Yuji, K. Takashi, U. Takanori:Generation and Convergence of Wind Using VT-WCONVS (Vertical Type Wind CONVergence Structure), Proc. of the RENEWABLE ENERGY 2006 CD-ROM (Oct, 2006) .
T. Uchida, Y. Ohya:Diagnosis of Airflow Characteristics in Wind Farm by Using the Unsteady Numerical Model RIAM-COMPACT, Proc. of the RENEWABLE ENERGY 2006 CD-ROM (Oct, 2006) .
Y. Ohya, T. Karasudani:Development of a Shrouded Wind Turbine Generating High Output Power with the Wind-Lens Technology, Proc. of the RENEWABLE ENERGY 2006 CD-ROM (Oct, 2006) .
M. Hasegawa, Y. Ohya, H. Kume:Numerical Studies of Flows around a Wind Turbine Equipped with a Flanged Diffuser Shroud Using an Actuator-Disc Model, Proc. of the Fourth International Symposium on CWE 2006 CD-ROM (July, 2006) .
S. Takahashi, Y. Ohya, T. Karasudani, K. Watanabe:Numerical and Experimental Studies of Airfoils Suitable for Vertical Axis Wind Turbines and an Application of wind ?Energy Collecting Structure for Higher Performance, Proc. of the Fourth International Symposium on CWE 2006 CD-ROM (July, 2006) .
T. Uchida, Y. Ohya:Micro-Siting Technique for Wind Turbine Generator by Using Large-Eddy Simulation, Proc. of the Fourth International Symposium on CWE 2006 CD-ROM (July, 2006) .
T. Karasudani, H. Ueda:Experimental and Numerical Study on a Free Convection Layer Developing under a Water Surface, Proc. of the Fourth International Symposium on CWE 2006 CD-ROM (July, 2006) .
Takashi Maruyama, Hirohiko Ishikawa, Takanori Uchida, Hiromasa Kawai, Yuji Ohya, Numerical simulation of strong wind fields around Miyajima during Typhoon Songda in 2004, Journal of Wind Engineering, 31, 3, pp.95-104, 2006.07.
Y. Ohya, T. Uchida:Laboratory and Numerical Studies of Atmospheric Stable Boundary Layers, Proc. of the Fourth International Symposium on CWE 2006 CD-ROM (July, 2006) .
Yuji Ohya, Takashi Karasudani, Akira Sakurai and Masahiro Inoue:Development of a High-Performance Wind Turbine Equipped with a Brimmed Diffuser Shroud, Transactions of the Japan Society for Aeronautical and Space Sciences, Vol.49, No.163, pp.18-24, May, 2006.
Y. Ohya, R. Nakamura, T. Uchida:Intermittent bursting of turbulence in a stable boundary layer with layer with low-level jet, Proc. of the 17th Symposium on Boundary Layers and Turbulence CD-ROM, in San Diego (May, 2006) .
Takanori Uchida, Kenichirou Sugitani, Yuji Ohya, Evaluation on wind characteristics around a steep simple terrain in a uniform flow-case of a three-dimensional isolated-hill model-, Journal of Wind Engineering, 31, 2, pp.63-74, 2006.04.
Takashi KARASUDANI, Hiromasa UEDA and Yuji OHYA:Evolution and Structure of the Free Convective Layer Developing Under a Water Surface, JSME International Journal, Series B, Vol.49, No.3, pp.616-620 (2006) .
Takanori UCHIDA and Yuji OHYA:Application of LES Technique to Diagnosis of Wind Farm by Using High Resolution Elevation Data, JSME International Journal, Series B, Vol.49, No.3 , pp.567-575 (2006) .
Toshiyuki SANADA, Masatoshi FUJINO, Daisuke MATSUSHITA, Takanori UCHIDA, Hikaru MATSUMIYA, Masao WATANABE, Yoshinori HARA, Minori SHIROTA:Numerical Site Calibration on a Complex Terrain and its Application for Wind Turbine Performance Measurements, Proceedings of EWEC 2006- European Wind Energy Conference and Exhibition, pp. (2006) .
S. Takahashi, Y. Ohya, T. Karasudani, K. Watanabe, T. Uchida, M. Hasegawa, ..., Numerical and experimental studies of airfoils suitable for Vertical Axis Wind Turbines and an application of wind-energy collecting structure for higher performance, Wind Engineers, JAWE 2006 (108), 327-348, 2006.
S. Takahashi, Y. Ohya, T. Karasudani, K. Watanebe:A study of airfoil design suitable for Vertical Axis Wind Turbine and an application of wind collecting structure for higher performance, The6th Japan/Korea joint Workshop on Aeronautics and Astronautics (Dec.2005) .
K.Abe, M. Nishida, A. Sakurai, Y. Ohya, H. Kihara, E. Wada and K. Sato:Experimental and numerical investigations of flow fields behind a small wind turbine with a flanged diffuser, Journal of Wind Engineering and Industrial Aerodynamics 93, pp.951-970 (Oct. 2005) .
T. Uchida and Y. Ohya, Micro-siting Technique for Wind Turbine Generator by Using One PC -Introduction of the RIAM-COMPACT based on LES-, EXPO WCWRF 2005(CD-ROM), 2005.09.
Akinori Kouchi, Kazuki Okabayashi, Hiroshi Yoshikado, Koji Kitabayashi, Shinichi Okamoto, Yuji Ohya, Yasuo Ide and Keizo Kobayashi:Development of numerical model for dispersion over complicated terrain in the convective boundary layer, Int. J. Environment and Pollution, Vol.25, Nos. 1/2/3/4, 2005, pp.48-59 (7, 2005) .
Yuji Ohya, Takashi Karasudani, Akira Sakurai, Kenichi Abe, Masato Furukawa and Masahiro Inoue, Development of a shrouded wind turbine with brimmed diffuser, Proc. of EXPO WCWRF 2005, CD-ROM (Jun, 2005) .
Y. Ohya and T. Uchida:Laboratory and Numerical Studies of the Convective Boundary Layer Capped by a Strong Inversion, Boundary Layer Meteorology 112, pp.223-240 (Aug. 2004) .
Koichi Watanabe, Yuji Ohya, Takashi Karasudani and Kimihiko Watanabe:Development of a Wind Turbine Generating High Output Power, The Fifth Korea/Japan Joint Workshop on Aeronautics and Astronautics, Seoul National University (7, 2004) .
Takanori Uchida, Kenichirou Sugitani, Yuji Ohya, Evaluation on wind characteristics around a steep simple terrain in a uniform flow-case of a two-dimensional ridge model, Journal of Wind Engineering, 29, 3, pp.35-43, 2004.07.
A. Kouchi, K. Okabayashi, H. Yoshikado, K. Kitabayashi, S. Okamoto, Y. Ohya, Y. Ide, K. Kobayashi:Development of Numerical Model for Dispersion Over Complicated Terrain in the Convective Boundary Layer, Proc.9th International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory, (Jun.2004) .
Kim, S.H., Furukawa, M., Inoue, M., Ohya, Y.: Three-Dimensional Flow Analysis around a Wind Turbine with Brimmed Diffuser, The 7th Asian International Conference on Fluid Mechinery (Oct, 2003) .
Y. Ohya and T. Uchida:Turbulence structure of stable boundary layers with a near-linear temperature profile, Boundary Layer Meteorology, 108・1, pp.19-38 (7, 2003) .
Takanori Uchida, Kenichiro Sugitani, Yuji Ohya, Experimental study on wind characteristics around a two-dimension escapement in a uniform flow, Journal of Wind Engineering, 28, 2, pp.233-244, 2003.04.
T. Uchida and Y. Ohya:Stable stratification effect on the separated and reattaching flow behind two-dimensional topography, 九州大学応用力学研究所所報 124, pp.17-24 (3, 2003) .
R. Ohba, T. Hara, S. Nakashima, Y. Ohya and T. Uchida:Gas diffusion over an isolated hill under neutral, stable and unstable conditions, Atmospheric Environment, 36, pp.5697-5707 (2002) .
Y. Ohya and T. Uchida:Laboratory and numerical studies of very stable boundary layers, Proc. of 15th Symp. on Boundary Layers and Turbulence, Wagenningen, pp.307-310 (2002) .
T. Uchida, Y. Ohya:Numerical study of stably stratified flows over a two-dimensional hill in a channel of finite depth, Fluid Dynamics Research, Vol.29 No.4, pp.227-250 (2001) .
M. Tatsuno. Y. Hamada, K. Ishi-I, H. Amamoto and T. Karasudani:Effects of interference between two circular cylinders in a tandem arrangement at the critical Reynolds number regime, Proc. 9th International Symposium on Flow Visualization, Edinburgh, No.298 (2000) .
Y. Ohya, T. Uchida and W. Koterayama:Numerical simulation of wind system over complex terrain near shoreline, Proc. Techno-Ocean 2000 International Symposium, Kobe, pp.553-556 (2000) .
Y. Ohya, T. Uchida and T. Karasudani:Wind tunnel study of various stable boundary layers : The effects of temperature profiles on SBL flow structures, Proc. 14th Symposium on boundary layers and turbulence, Colorado, pp.614-617 (2000) .
H. Katayama, T. Karasudani, K. Ishii, K. Marubayashi, and H. Ueda:Development of a gas-liquid equilibrator for estimating CO2 flux at the ocean surface, Journal of Atmospheric and Oceanic Technology, Vol.16, No.10, pp.1450-1455 (1999) .
T. Karasudani, K. Yamamura, K. Ishii and H. Ueda:Turbulence properties of a convection layer with a slip boundary condition, J. Wind Eng., No.79, pp.23-24 (1999) .
T. Uchida and Y. Ohya:Numerical simulation of atmospheric flow over complex terrain, J. Wind Eng. Ind. Aerodyn., Vol.81, pp.283-293 (1999) .
Y. Ohya and T. Uchida:Wind tunnel study and DNS of stable boundary layers and convective boundary layers in the atmosphere, Proc. of the first international symposium on turbulence and shear flow, Santa Barbara, pp.589-594 (1999) .
Y. Ohya:Wind tunnel study of stable boundary layers and convective boundary layers, Proc. of the tenth international conference on wind engineering, Copenhagen, pp.287-294 (1999) .
R. Ohba, T. Hara, S.Nakamura, Y. Ohya and T. Uchida:Gas diffusion over isolated hill under neutral, stable and unstable conditions, Eouromech colloquium 391 on Wind tunnel modeling of dispersion in environmental flows, Prague, pp.31-32 (1999) .
S. Ozono, N. Aota, Y. Ohya, The Effects of Stable Stratification on the Flow Around a Horizontal Circular Cylinder in a Channel of Finite Depth, INSTITUTE OF MATHEMATICS AND ITS APPLICATIONS CONFERENCE SERIES 68, 521-540, 1999.
Y. Ohya, T. Uchida, Wind tunnel study and DNS of stable boundary layers and convective boundary layers in the atmosphere, TSFP DIGITAL LIBRARY ONLINE, 1999.
M. Tatsuno, S. Maekawa, H. Amamoto, K. Ishi-I and T. Karasudani:Flow around two circular cylinders in a tandem arrangement at the critical Reynolds number regime, Proc. 8th International Symposium on Flow Visualization, Sorrento, No.150 (1998) .
S. Ozono and K. Watanabe:Flow control by a short splitter plate asymmetrically arranged downstream of a cylinder, Reports of Res. Inst. for Appl. Mech., Kyushu Univ., Vol. 116, pp.11-17 (1998) .
小園 茂平, M. Nicholls, R. Pielke:砂漠に形成される混合層の成長への周辺湿度の影響, 九州大学応用力学研究所所報, 84号, pp.19-28 (1998) .
T. Uchida and Y. Ohya:Numerical Simulation of Atmospheric Flow over Complex Terrain, Proc. of International Workshop on CFD for Wind Climate in Cities, Hayama, Japan, pp.229-238 (1998) .
Y. Ohya:Wind Tunnel Study and DNS of a Stratified Atmospheric Boundary Layer under Stable and Unstable Conditions, IUTAM/IUGG Symposium on Development in Geophysical Turbulence, Boulder, Colorado, pp.100 (1998) .
T. Uchida, Y. Ohya, Unsteady Characteristics of Stably Stratified Flows Past a Two-Dimensional Hill in a Channel of Finite Depth, Journal of Japan Society of Fluid Mechanics 17 (1), 45-56, 1998.
Yuji Ohya, David E. Neff, Robert N. Meroney, Turbulence structure in a stratified boundary layer under stable conditions, Boundary-Layer Meteorology 83, 1, 139-162, 1997.04.
Takanori Uchida, Y. Ohya, A numerical study of stably stratified flows over a two-dimensional hill - Part I. Free-slip condition on the ground, Journal of Industrial Aerodynamics, 67-68, pp.493-506, 1997.01.
M. Tatsuno and T. Karasudani:Three-Dimensional instability of the flow around an oscillating circular cylinder in a stratified fluid at rest, Proc. Int. Conference on Fluid Engineering, JSME Centennial Grand Congress, Tokyo, Vol.1, pp.519-522 (1997) .
Y. Ohya and N. Fukamachi:Development of a calibrator for thermo-anemometer, Proc. the third international conference on fluid dynamic measurement and its applications, Beijing, China pp.223-226 (1997) .
Y. Ohya, H. Hashimoto and S. Ozono:A Numerical Study of Thermally Stratified Boundary Layers Under Various Stable Conditions, J. Wind Engng and Indus. Aerod., Vol. 67 & 68, pp.793-804 (1997) .
S. Ozono, N. Aota and Y. Ohya:Stably Stratified Flow Around a Horizontal Rectangular Cylinder in a Channel of Finite Depth, J. Wind Engng and Indus. Aerod., Vol. 67 & 68, pp.103-116 (1997) .
S. Ozono, N. Aota and Y. Ohya:The effect of stable stratification on the flow around a horizontal circular cylinder in a channel of finite depth, Proc. Fifth IMA Conference on Stratified Flows (Mixing and Dispersion in Stably Stratified Flows), University of Dundee, UK (1996) .
Y. Ohya, M. Tatsuno, Y. Nakamura and H. Ueda:A thermally stratified wind tunnel for environmental flow studies, Atmospheric Environment, Vol.30, No.16, pp.2881-2887 (1996) .
Y. Nakamura, Y. Ohya, S. Ozono and R. Nakayama:Experimental and numerical analysis of vortex shedding from elongated rectangular cylinders at low Reynolds numbers 200 to 103, J. Wind Engng and Indus. Aerod.65, pp.301-308 (1996)
R. Nakayama, Y. Nakamura, Y. Ohya, S. Ozono, A numerical study on the flow around flat plates at low Reynolds numbers, Journal of Wind Engineering and Industrial Aerodynamics 46, 255-264, 1993.
1992
S. Ozono, Y. Ohya, Y. Nakamura, R. Nakayama, Stepwise increase in the Strouhal number for flows around flat plates, International journal for numerical methods in fluids 15 (9), 1025-1036, 1992.
Y. Ohya, Y. Nakamura, S. Ozono, H. Tsuruta, R. Nakayama, A numerical study of vortex shedding from flat plates with square leading and trailing edges, Journal of Fluid Mechanics 236, 445-460, 1992.
N. Fukamachi, Y. Ohya, Y. Nakamura, An improvement of the smoke-wire method of flow visualization, Fluid Dynamics Research 7 (1), 23-29, 1991.
Y. Nakamura, Y. Ohya, H. Tsuruta, Experiments on vortex shedding from flat plates with square leading and trailing edges, Journal of Fluid Mechanics 222, 437-447, 1991.
Y. Nakamura, Y. Ohya, S. Ozono, The effects of turbulence on bluff-body mean flow, Journal of Wind Engineering and Industrial Aerodynamics 28 (1-3), 251-259, 1988.
H. Matsuo, Y. Ohya, K. Fujiwara, H. Kudoh, Numerical simulation of cylindrically converging shock waves, Journal of Computational Physics 75 (2), 384-399, 1988.
H. Matsuo, K. Ebihara, Y. Ohya, K. Fujiwara, H. Kudo, Application of Z-pinch Discharge to Additive Compression of Imploding Shock Plasmas, Appl. Phys. Lett., 49(8), 443-444, 1986.
Y. Nakamura, Y. Ohya, Vortex shedding from square prisms in smooth and turbulent flows, Journal of Fluid Mechanics 164, 77-89, 1986.
M. Hayashi, A. Sakurai, Y. Ohya, Wake interference of a row of normal flat plates arranged side by side in a uniform flow, Journal of Fluid Mechanics 164, 1-25, 1986.
1985
Y. Ohya, The Origin of biassed gap flow behind multiple bluff bodies in a side-by-side arrangement, Memoirs of the Faculty of Engineering, Kumamoto University 30 (3), 1-16, 1985.
H. Matsuo, K. Ebihara, Y. Ohya, H. Sanematsu, Spectroscopic study of cylindrically converging shock waves, Journal of applied physics 58 (7), 2487-2491, 1985.
1984
Y. Nakamura, Y. Ohya, The effects of turbulence on the mean flow past two-dimensional rectangular cylinders, Journal of Fluid Mechanics 149, 255-273, 1984.
Y. Nakamura, Y. Ohya, The effects of turbulence on the mean flow past square rods, Journal of Fluid Mechanics 137, 331-345, 1983.
M. Hayashi, A. Sakurai, Y. Ohya, Numerical and experimental studies of wake interference of two normal flat plates at low Reynolds numbers, Kyushu University Faculty Engineering Memoirs 43(2), 165-177, 1983.
M. Hayashi, A. Sakurai, Y. Ohya, Wake interference of a row of normal flat plates arranged side by side in a uniform flow, Japan Society of Aeronautical Space Sciences Transactions 26, 22-36, 1983.
Y. Nakamura, Y. Ohya, The effects of turbulence intensity and scale on the mean flow past square rods, Journal of wind engineering and industrial aerodynamics 11 (1-3), 421-430, 1983.