国際学会

  1. Shinichi Maeda, Naoki Hanyu, Yuichi Hiraoka, Ryoto Sato, Keisuke Nomura, Tetsuro Obara, "Visualization of Detonation Initiation by a Spherical Projectile Launched into The Soap Bubble Filled with a Combustible Mixture", 29th International Colloquium on the Dynamics of Explosions and Reactive Systems (ICDERS 2023), Proceedings (electronic data) Paper #177, Seoul National University, Siheung Campus, Geyonggi-province, Korea, 27 July, 2023.
  2. Haruto Tanaka, Kosuke Hayashi, Nagachika Sekiguchi, Hayato Kokubo, Shinichi Maeda, Tetsuro Obara, “Experiments on hydrogen-air pulse detonation combustor with air-cooling for more than 1 minute operation”, The 11th Asian Joint Conference on Propulsion and Power (AJCPP 2023), No. AJCPP2023-198, Kanazawa Bunka Hall, Ishikawa, Japan, 17 March 2023.
  3. Shinichi Maeda, Masahiro Irokawa, Daiki Taneichi, Tetsuro Obara, “Flame acceleration process and detonation transition in a channel with roughness elements on a wall”, The 39th International Symposium on Combustion, No. 2J09, Vancouver Convention Centre, Vancouver, Canada, 26 July 2022.
  4. Shinichi Maeda, Masahiro Irokawa, Daiki Taneichi, Tetsuro Obara, “Visualization of Deflagration-to-detonation Transition in a Channel with Rough Wall”, 28th International Colloquium on the Dynamics of Explosions and Reactive Systems (ICDERS 2022), Proceedings (electronic data) Paper #163, University of Naples Federico II, Naples, Italy, 20 June 2022.
  5. A. Koichi Hayashi, Kodai Shimomura, Nobuyuki Tsuboi, Kohei Ozawa, Nicolas H. Jourdaine, Kazuhiro Ishii, Edyta Dzieminska, Tetsuro Obara, Shinichi Maeda, Toshiharu Mizukaki, "Experimental and Numerical Study on Disc-RDE: Relation between Number of Detonation Wave and Pressure", AIAA 2022-0837, AIAA SciTech 2022 Forum, San Diego, CA & Virtual event, 7 January 2022.
  6. Tomoki Takehara, Hayato Kameyama, Shinichi Maeda, and Tetsuro Obara, "Generation of planar blast waves using a gaseous detonation-driven blast simulator", The 7th International Symposium on Energetic Materials and their Applications (ISEM2021) Abstract Book, B4-1 (pp.51), Virtual Symposium (Tokyo, Japan), 17 November 2021.
  7. Shinichi Maeda, Masahiro Irokawa, Daiki Taneichi, and Tetsuro Obara, "Experimental study on deflagration‐to‐detonation transition in a channel with densely‐arranged roughness elements on the wall", The 7th International Symposium on Energetic Materials and their Applications (ISEM2021) Abstract Book, B4-2 (pp.52), Virtual Symposium (Tokyo, Japan), 17 November 2021.
  8. A. Koichi Hayashi, Kodai Shimomura, Nobuyuki Tsuboi, Kohei Ozawa, Nicolas H. Jourdaine, Kazuhiro Ishii, Edyta Dzieminska, Tetsuro Obara, Shinichi Maeda and Toshiharu Mizukaki, "3D numerical study on flow field in disc-RDE", AIAA 2021-3665, AIAA Propulsion and Energy 2021 Forum, Virtual event, 10 August 2021.
  9. A. Koichi Hayashi, Kazuhiro Ishii, Tomohiro Watanabe, Nobuyuki Tsuboi, Kohei Ozawa, Nicola H. Jourdaine, Edyta Dzieminska, Xinmeng Tang, Tetsuro Obara, Shinichi Maeda, Toshiharu Mizukaki, "Experimental and Numerical Study on Disc-RDE: Flow Structure and its Performances", AIAA-2021-1253, 2021 AIAA SciTech Forum, Virtual event, 14 January 2021.
  10. Haruhiro Kawana, Wataru Kurata, Kanta Ohno, Kazuhiro Ishii, A. Koichi Hayashi, Nobuyuki Tsuboi, Kohei Ozawa, Tetsuro Obara, Shinichi Maeda, Edyta Dzieminska and Toshiharu Mizukaki, "A Study on Operating Conditions of Disk-Type Rotating Detonation Engine", 27th International Colloquium on the Dynamics of Explosions and Reactive Systems (ICDERS 2019), Proceedings (electronic data) Paper #415 (Poster), Beijing, China, 2 August 2019.
  11. A. Koichi Hayashi, Nobuyuki Tsuboi, Kohei Ozawa, Kazuhiro Ishii, Tetsuro Obara, Shinichi Maeda, Edyta Dzieminska, Toshiharu Mizukaki, "Development of a High Efficiency System with a Rotating Detonation Engine for a Gas Turbine Engine (RDE-GTE) using Pressure Gain Combustion", AIAA 2019-1509, AIAA Scitech Forum, 2019.
  12. Shinichi Maeda, Masashi Fujisawa, Shogo Ienaga, Keisuke Hirahara, Tetsuro Obara, "Effect of sandpaper-like small wall roughness on deflagration-to-detonation transition in a hydrogen?oxygen mixture", The 37th International Symposium on Combustion, Oral #1E01, Convention Centre Dublin, Dublin, Ireland, 30 July 2018.
  13. Shinichi Maeda, Masashi Fujisawa, Shogo Ienaga, Keisuke Hirahara, Tetsuro Obara, "Effect of surface roughness of a channel wall on flame propagation and detonation transition in a fuel-oxygen mixture", The 6th International Symposium on Energetic Materials and their Applications (ISEM2017) Abstract Book, O16-2 (pp.84), Tohoku University (Sendai, Japan), 9 November 2017.
  14. Maiko Iwai, Keisuke Yoshida, Youhi Morii, Nobuyuki Tsuboi, A. Koichi Hayashi, Tetsuro Obara, Shinichi Maeda, "Numerical Analysis on Shock Flame Interaction in Hydrocarbon/Oxygen Premixed Gas -Difference in the Propagation Types-", The 6th International Symposium on Energetic Materials and their Applications (ISEM2017) Abstract Book, O02-3 (pp.26), Tohoku University (Sendai, Japan), 7 November 2017.
  15. Shinichi Maeda, Shohei Minami, Daisuke Okamoto, Tetsuro Obara, "Visualization of deflagration-to-detonation transitions in a channel with repeated obstacles", 25th International Colloquium on the Dynamics of Explosions and Reactive Systems (ICDERS 2015), Paper #176, 2015/8/3.
  16. Maeda, S., Kanno, S., Yoshiki, I., Obara, T., "Experimental study on an acceleration of a projectile using a gaseous detonation" The 5th International Symposium on Energetic Materials and their applications (ISEM2014):O21, 2014/11.
  17. Zhang, Y., Minami, S., Obara, T., Ohyagi, S., "Re-initiation Processes of Diffracted Detonation Wave behind Slit-Plate", 24th International Colloquium on the Dynamics of Explosions and Reactive Systems, 2013.8.1 (Oral), National Taiwan University Hospital International Convention Center, Taipei.
  18. Zhang, Y., "Re-initiation Process of Diffracted Detonation Wave behind Slit-Plate", 29th International Symposium on Space Technology and Science, 2013.6.5, Nagoya Congress Center, Aichi.
  19. Ohyagi, S., A Study on Pulse Detonation Engine in Japan, Keynote Lecture, XI Mechanical Engi-neering Annual National Seminar (SNTTM), Indonesian Consortium of Higher Education in Me-chanical Engineering (BKSTM), 2012.10.17, Gadjah Mada Univeristy, Yogyakarta, Indonesia.
  20. Ohyagi, S., The Initiation Process of Detonation in a Pulsed Detonation Engine, Invited Lecture, International Workshop on Detonation for Propulsion 2012, 2012.9.5, Tsukuba International Con-gress Center, Tsukuba.
  21. Yabe, M., Horiuchi, T., Yoshihashi, T., Obara, T. and Ohyagi, S., Effects of Local Concentration on the DDT Processes of Injected Hydrogen/air Mixtures, 20th International Shock Interaction Sympo-sium, 2012.8.23, Yasuragi Hasseludden, Stockholm, Sweden.
  22. Ohyagi, S., Yoshihashi, T., Obara,T. and Du, J., A Study on Flame Propagation through a Narrow Channel, Poster Session (CD-Rom 70), 23rd International Colloquium on Dynamics of Explosions and Reactive Systems, 2011.7.27, University of California, Irvine.
  23. Yabe, M., Naitoh, M., Yoshihashi, T., Obara,T. and Ohyagi, S., A Study on Deflagration to Detonation Transition in Injected Hydrogen/Air Mixtures, Poster Session (CD-Rom 120), 23rd International Colloquium on Dynamics of Explosions and Reactive Systems, 2011.7.27, University of California, Irvine.
  24. Togashi, F., Loehner, R., Tsuboi, N., Obara, T., Numerical Simulation of H2 /O2 Detonation Wave behind Slit-Plate Using Detailed Reaction Models, Proceedings 46th AIAA Aerospace Sciences Meeting and Exhibit, 2008.
  25. Togashi, F., Loehner, R, Tsuboi, N., Obara, T., Jayan Sentanuhady, Ohyagi, S., Numerical Simula-tion of Detonation behind Slit-Plate, Proceedings of the 21st International Colloquium on the Dy-namics of Explosion and Reactive Systems, CD-ROM, No.100, 2007.8.
  26. Nagai, K., Yokokawa, M., Yoshihashi, T., Obara, T., Ohyagi, S., A Study on the Interactions of a Detonation Wave with a Combustion Wave, Proceedings of the 21st International Colloquium on the Dynamics of Explosion and Reactive Systems, CD-ROM, No.183, 2007.8.
  27. Jayan Sentanuhady, Tsukada, Y., Obara, T., Ohyagi, S., Re-initiation Mechanisms of Gaseous Det-onation Wave propagated through Double Slits, Proceedings of the 21st International Colloquium on the Dynamics of Explosion and Reactive Systems, CD-ROM, No.135, 2007.8.
  28. Tsuji, T., Shirakawa, S., Yoshihashi, T., Obara, T., Ohyagi, S., Interaction between Two Cylinders in a Pulse Detonation Engine, Proceedings 7th International Symposium on Special Topics in Chemical Propulsion, 2007.
  29. Sakurai, T., Murayama, M., Yugi, S., Ohyagi, S., Successive Operation Study of a Cylindrical Rotary Valve PDE at Low Supply Pressure Condition, Proceedings 18th International Symposium on Air-Breathing Engines, 2007.
  30. Nagai, K., Okabe, T., Kim, K., Yoshihashi, T., Obara, T., Ohyagi, S., A Study on DDT Processes in a Narrow Channel, Proceedings of the 26th International Symposium on Shock Waves, 2007.7.
  31. Jayan Sentanuhady, Tsukada, Y., Obara, T., Ohyagi, S., Re-initiation Processes of Detonation behind Double Slit-Plate, Proceedings of the 26th International Symposium on Shock Waves, 2007.7.
  32. Yugi, S., Sakurai, T., Obara, T., Murayama, M., Ohyagi, S., A Study on Detonative Operation of PDE with a Cylindrical Rotating Valve, Proceedings of the 6th Asia-Pacific Conference on Combustion, 2007.
  33. Sakurai, T., Yamane, N., Obara, T., Ohyagi, S., A Study on Thermodynamic Cycle of Pulse Detonation Gas Turbine Engine, Proceedings 17th International Symposium on Air Breathing Engines (ISABE), Munich, p.32, 2005.9.
  34. Obara, T., Kim, T.-H., Ohyagi, S., Tsuboi, N., Experimental study on a flow field behind back-ward-facing step using detonation-driven shock tunnel, Proceedings of the 20th International Collo-quium on the Dynamics of Explosion and Reactive Systems, Montreal, CD-ROM, No.215, 2005.8.
  35. Sakurai, T., Obara, T., Ohyagi, S., Murayama M., Experimental study of Pulse Detonation Turbine Engine toward Power Generator, Proceedings of the 20th International Colloquium on the Dynamics of Explosion and Reactive Systems, Montreal, CD-ROM, No.95, 2005.8.
  36. Jayan Sentanuhady, Tsukada, Y., Yoshihashi, T., Obara, T., Ohyagi, S., Re-initiation of Detonation Waves behind a Perforated Plate, Proceedings of the 20th International Colloquium on the Dynamics of Explosion and Reactive Systems, Montreal, CD-ROM, No.94, 2005.8.
  37. Kim, T.-H., Obara, T., Ohyagi, S., Fuel Mixing and Combustion into a Supersonic Air Flow, Pro-ceedings of KSAS-JSASS Joint Symposium on Aerospace Engineering, pp.261-268, Seoul, Korea, 2004.11.
  38. Sakurai, T., Obara, T., Ohyagi, S., Investigation of Multi-Cycle Operation for Development of Pulse Detonation Engine, Proceedings of the Twenty-fourth International Symposium on Space Technology and Science, 2004.
  39. Kim, T.-H., Yoshikawa, M., Narita, M., Obara, T., Ohyagi, S., A Study on Flow-Fields behind Backward-facing Step in Supersonic Flow, Proceedings of the Twenty-fourth International Sympo-sium on Space Technology and Science, ISTS 2004-s-04, 2004.
  40. Kim, T.-H., Yoshikawa, M., Narita, M., Obara, T., Ohyagi, S., Experimental Study on Flow Field behind Backward-facing Step using Detonation-driven Shock Tunnel, Proceedings of Asian Joint Conference on Propulsion and Power, CD-ROM, 2004.3.
  41. Sakurai, T., Minagawa, T., Yoshihashi, T., Obara, T., Ohyagi, S., A Preliminary Study for Devel-opment for Hydrogen-Fueled Pulse Detonation Engines, Proceedings of the 6th ASME-JSME Thermal Engineering Joint Conference, TED-AJ03-291, Kobara Coast, Hawaii, USA, 2003.3.
  42. Sakurai, T., Ohyagi, S., Obara, T., A Study of DDT Process and Performance for Pulse Detonation Engine, Proceedings 19th International Colloquium on the Dynamics of Explosion and Reactive Systems, CD-ROM, 2003.8.
  43. Kim, T.-H., Yoshikawa, M., Narita, M., Obara, T., Ohyagi, S., Experimental Study on a Performance of Detonation-Driven Shock Tunnel and Flow-Fields behind Backward Facing Step, Proceedings 19th International Colloquium on the Dynamics of Explosion and Reactive Systems, CD-ROM, 2003.8.
  44. Sogawa, T., Takamura, N., Yoshihashi, T., Obara, T., Ohyagi, S., Hydrogen-Air Pre-Mixed Com-bustion in a Constant Volume Chamber, Proceedings of the 6th ASME-JSME Thermal Engineering Joint Conference, TED-AJ03-290, Kobara Coast, Hawaii, USA, 2003.3.
  45. Obara, T., Ohyagi, S., Katoh, H., Kim, T.-H., A Study on the Reflection of a Diffracted Shock Wave - Evaluation of maximum pressure behind reflected shock wave -, Proceedings 10th International Symposium on Flow Visualization, CD-ROM, F0375, 2002.8.
  46. Ohyagi, S., Obara, T., Cai, P., Yoshihashi, T., Kuroda, Y., Propagation of Detonation Waves in a Tube with a Multi-Guttered Wall, Proceedings of the 23rd International Symposium on Shock Waves, ed. Frank K. Lu, pp.180-186, Fort -Worth, 2002.
  47. Obara, T., Ohyagi, S., Ariga, Y., Cai, P., A Study on the Reflection of a Diffracted Shock Wave, Proceedings of the 23rd International Symposium on Shock Waves, ed. Frank K. Lu, pp.1282-1289, Fort -Worth, 2002.
  48. Ohyagi, S., Obara, T., Hoshi, S., Cai, P., Yoshihashi, T., Diffraction and Re-Initiation of Detonations behind a Backward-facing Step, Proceedings 18th International Colloquium on the Dynamics of Explosion and Reactive Systems, Seattle, 2001.8.
  49. Ohyagi, S., Nohira, E., Obara, T., Yoshihashi, T., Scaling of One-dimensional Blast Waves initiated by Flame and Detonation, Proceedings of Third International Symposium on Scaling Modeling, CD-ROM, 2000.9.
  50. Cai, P., Kaneko, T., Yoshihashi, T., Obara, T., Inukai, N., Ohyagi, S., Experiments on Turbulent Combustion in a Closed-vessel with Directly Injected Fuel (NOx Measurements), Proceedings of the Fourth JSME-KSME Thermal Engineering Conference, Vol.3, pp.103-108, , Kobe, Japan, 2000.10.
  51. Cai, P., Gotoh, H., Yoshihashi, T., Obara, T., Suzuki, H., Ohyagi, S., Experiments on Turbulent Premixed Combustion in a Constant Volume Chamber, Proceedings of the Fourth JSME-KSME Thermal Engineering Conference, Vol.3, pp.79-84, Kobe, Japan, 2000.10.
  52. Ariga, Y., Yamanaka, A., Obara, T., Cai, P., Ohyagi, S., A Study of Shock Wave Diffraction from an Open End of Shock Tube, Proceedings of the Twenty-second International Symposium on Space Technology and Science, pp.2155-2160, 2000.10.
  53. Obara, T., Yamanaka, A., Cai, P., Ohyagi, S., A Study on a Performance of Detonation-Driven Shock Tube, Proceedings of the Twenty-second International Symposium on Space Technology and Science, pp.1009-1014, 2000.10.
  54. Cai, P., Tsue, M., Ohyagi, S., Wada, Y., Kono, M., An Experimental Investigation on Combustion and NOx Emmision Characteristics of Methane Opposed jets in High Temperature Environment, Proc. 5th Asia-pacfic International Symposium on Combustion and Energy utilization, pp.253-262, Shanghai, China, 1999.
  55. Ohyagi, S., Obara, T., Yoshihashi, T., Hoshi, S., Masaki, T., Three-dimensional Cellular Structure of Detonations, Proceedings of the 22nd International Symposium on Shock Waves, pp.247-250, Lon-don, 1999.
  56. Cai, P., Kaneko, T., Yoshihashi, T., Obara, T., Ohyagi, S., Experiments on Combustion of Injected Fuel in a Constant Volume Chamber, Extended Abstracts for the 17th International Colloquium on the Dynamics of Explosions and Reactive Systems, CD-ROM, 1999.
  57. Ohyagi, S., Obara, T., Hoshi, S., Cai, P., Yoshihashi, T., Experiments on Reflection Process of a Detonations on a Wedge Extended Abstracts for the 17th International Colloquium on the Dynamics of Explosions and Reactive Systems, Heidelberg, 1999.
  58. Ohyagi, S., Obara, T., Nakata, F., Hoshi, S., A Numerical Simulation of Reflection Processes of a Detonation Wave on a Wedge Extended Abstracts for the 17th International Colloquium on the Dy-namics of Explosions and Reactive Systems, Heidelberg, 1999.
  59. Cai, P., Watanabe, K., Yoshihashi, T., Obara, T., Ohyagi, S., Effects of Swirl-Flow on Flame Propagation in a Constant-Volume Vessel, 5th ASME-JSME Thermal Engineering Joint Conference, AJTE99-6317, San Diego, USA, 1999.3.
  60. Tri Agung Rohmat, Obara, T., Yoshihashi, T., Ohyagi, S., An Experimental Study of Turbulent Flames Established on a Porous Plate behind a Backward-Facing Step, 5th ASME-JSME Thermal Engineering Joint Conference, AJTE99-6317, San Diego, USA, 1999.3.
  61. Tri Agung Rohmat, Obara, T., Yoshihashi, T., Ohyagi, S., Visualization of Turbulent Diffusion Flame Established on a Porous Plate behind a Backward Facing Step, Proceedings of the Fifth Asian Symposium on Visualization, pp.122-127, 1998.
  62. Tri Agung Rohmat, Obara, T., Yoshihashi, T., Ohyagi, S., Visualization of Turbulent Diffusion Flame Established on a Porous Plate behind a Backward Facing Step, Proceedings of International Conference on Optical Technology and Image Processing in Fluid, Thermal, and Combustion Flow, CD-ROM, paper no. AB133, 1998.12.
  63. Satoh, D., Obara, T., Ohyagi, S., A Study of the Performance of Shock Tunnel and Supersonic Flow Field around a Wedge, Proceedings of the Twenty-first International Symposium on Space Tech-nology and Science (Omiya), pp.1939-1943, 1998.5.
  64. Tamugi, A., Nishimura, T., Ohyagi, S., Obara, T., Numerical Simulation of Combustion Process in Ram Accelerator, Proceedings of the Twenty-first International Symposium on Space Technology and Science (Omiya), pp.1955-1959, 1998.5.
  65. Obara, T., Murata, Y., Ohyagi, S., Numerical Simulation of a Supersonic Flow behind a back-ward-Facing Step with Gas Injection, Proceedings of the Twenty-first International Symposium on Space Technology and Science (Ohmiya), pp.110-116, 1998
  66. Obara, T., Takafuji, R., Yamanaka, A., Ohyagi, S., A Study of Shock Wave Diffraction from an Open End of the Tube, Proceedings of the Twenty-first International Symposium on Space Tech-nology and Science, pp.927-932, 1998.
  67. Ohyagi, S., Obara, T., Yoshihashi, T., Nakata F., Reflections of Detonation Waves by Wedge, 21st International Symposium on Shock Waves, Great Keppel Island, Australia, Proceedings of the 21st International Symposium on Shock Waves, pp.331-336, 1997.
  68. Katoh, H., Wang, X., Yoshihashi, T., Ohyagi, S., Stabilization of Diffusion Flames Behind Obstacles, Proc. ASME/JSME Thermal Engineering Joint Conference 1995 vol.3, pp.135-140, Lahaina, USA, 1995.
  69. Wang, X., Tri Agung Rohmat, Ohyagi, S., Velocity Distribution Anomaly in a Diffusion Flame in a Flat Plate Boundary Layer with Fuel Injection, Proc. ASME/JSME Thermal Engineering Joint Conference 1995 vol.3, pp.91-97, Lahaina, USA, 1995.
  70. Wang, X., Ohyagi, S., Tri Agung Rohamat, Stabilization of Diffusion Flames in a Flat Plate Boundary Layer with Fuel Injection, 25th Symposium (Int.) on Combustion, P79, Irvine, 1994.
  71. Ohyagi, S., Suzuki, S., A Numerical Simulation of Dust Detonation, 5th Int. Conf. Numerical Com-bustion, Garmisch-Partenkirchen, Germany, 1993.
  72. Ohyagi, S., Tanaka, T., Suzuki, S., Yoshihashi, T., A Study of the Initiation Process of Dust Layer Detonation, 19th Int. Symp. on Shock Waves, Marseille, France, 1993.
  73. Ohyagi, S., Maysui, J., Yoshihashi, T., Cai, P., Instability of Flame Front Propagating in a Con-stant-Volume Chamber, 24th Symposium (Int.) on Combustion, P136, Sydney, 1992.
  74. Ohyagi, S., Yajima S., Yoshihashi, T., A High-Speed Photographic Study on the Transition from Deflagration to Detonation Waves in Gaseous Mixtures, Russian-Japanese Seminar on Combustion, Chernogolovka, USSR, 1991.
  75. Ohyagi, S., Ochiai, T., Yoshihashi, T., Harigaya, Y., Growth of Cell Widths in Gaseous Detonations, 18th Int. Symp. on Shock Waves, Sendai, Japan, 1991.
  76. Ohyagi, S., Tsuruoka, M., Yoshihashi, T., Tanaka, T., The Influence of Obstacles on Transition from Deflagration to Detonation Waves in Hydrogen/Oxygen/Nitrogen Mixtures, 13th International Col-loquium on Gasdynamics and Explosions in Reactive Systems, Nagoya, Japan, 1991.
  77. Harigaya, Toda, F., Y., Ohyagi, S., Tsuji, H., Surface Temperature and Wall Heat Flux in a Spark-Ignition Engine under Knocking and Non-knocking Conditions, Small Engine Technology Conference Proceeding, SAE Technical Paper 891795, pp.369-378, Milwaukee, USA, 1989.
  78. Harigaya, Y., Ohyagi, S., Hayashi, H., Yoshida, M., A Study of Wall Heat Flux in a Pre-Chamber Type Diesel Engine, Proc., International Centre For Heat and Mass Transfer, Heat and Mass Transfer in Gasoline and Diesel Engines, pp.27-38, Belgrade, Yugoslavia, 1989.
  79. Ohyagi, S., A Numerical Study on Blast Initiation of Gaseous Detonation, Joint Int. Conf. of ANZ-JS/CI, Sydney, Australia, 1989.
  80. Ohyagi, S., Aoki,T., Ochiai, T., A Simulation of Initiation Process of Detonation, 17th Int. Symp. Shock Waves &. Shock Tubes, Bethlehem, USA, 1989.
  81. Ohyagi, S., Yoshihashi, T., Harigaya, Y., A Study of Critical Initiation Energy of Film Detonation, Joint Conference Western Section and Japanese Section of the Combustion Institute, pp.391-393, Honolulu, USA, 1987.
  82. Ohyagi, S., Harigaya, Y., Kakizaki, K., Toda, F., Estimation of Flame Propagation in Spark-Ignition Engine by Turbulent Burning Model, Proc. International Symposium on Diagnostics and Modeling of Combustion in Reciprocating Engines, pp. 503-510, Tokyo, 1985.
  83. Ohyagi, S., Yoshihashi, T., Harigaya, Y., Direct Initiation of Planar Detonation Waves in Me-thane/Oxygen/Nitrogen Mixtures, 9th International Colloquium on Gasdynamics and Explosions in Reactive Systems, Poitier, France, 1983.
  84. Ohyagi, S., Harigaya, Y., Hori, K., Diffusive Combustion of Methanol in a Parallel Air Stream, ASME-JSME Thermal Engineering Joint Conference, Honolulu, USA, 1983.
  85. Ohyagi, S., Ohsawa, A., Analysis of Reactive Blast Waves Propagating through Gaseous Mixtures with Spatially Distributed Chemical Energy, 8th International Colloquium on Gasdynamics and Ex-plosions in Reactive Systems, Minsk, USSR, 1981.
  86. Ohyagi, S., The Propagation of Blast Wave Through Dilute Spray, 7th International Colloquium on Gasdynamics and Explosions in Reactive Systems, Gottingen, West Germany, 1979.