All Stories

  1. Reconstructed Ballistic Data Versus Wax Regression-Rate Intrusive Measurement in a Hybrid Rocket

    Article • Journal of Spacecraft and Rockets, November 2020, American Institute of Aeronautics and Astronautics (AIAA)

    Koki Kitagawa, Dr. Toru Shimada

  2. Prediction of Space and Time Distribution of Wax-based Fuel Regression Rate in a Hybrid Rocket

    Article • August 2020, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Toru Shimada, Koki Kitagawa

  3. Evaluation of Safety Distance for Blast of Hybrid Rocket Propellants

    Article • August 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Toru Shimada, Koki Kitagawa, Akiyo Takahashi

  4. Hybrid Rocket Firing Experiments at Various Axial–Tangential Oxidizer-Flow-Rate Ratios

    Article • Journal of Propulsion and Power, January 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Koki Kitagawa, Dr. Toru Shimada

  5. Performance and Regression Rate Characteristics of 5-kN Swirling-Oxidizer-Flow-Type Hybrid Rocket Engine

    Article • Journal of Propulsion and Power, July 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Toru Shimada, Takashi Sakurai, Koki Kitagawa

  6. Static Burning Tests on a Bread Board Model of Altering-intensity Swirling-Oxidizer-Flow-Type Hybrid Rocket Engine

    Article • July 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Toru Shimada, Dr Yutaka Wada, Koki Kitagawa

  7. Ascendancy of Extinction-Reignition on Single-Stage Hybrid Sounding Rocket in View of Fuels

    Article • January 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Masahiro Kanazaki, Dr. Toru Shimada, Koki Kitagawa, Kazuhisa Chiba

  8. Design optimization of launch vehicle concept using cluster hybrid rocket engine for future space transportation

    Article • Journal of Fluid Science and Technology, January 2016, Japan Society of Mechanical Engineers

    Dr. Toru Shimada, Koki Kitagawa

  9. Structurisation and visualisation of design space for launch vehicle with hybrid rocket engine

    Article • International Journal of Automation and Logistics, January 2016, Inderscience Publishers

    Koki Kitagawa

  10. Flight Performance Simulations of Vertical Launched Sounding Rockets Using Altering-Intensity Swirling-Oxidizer-Flow-Type Hybrid Motors

    Article • July 2015, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Toru Shimada, Koki Kitagawa

  11. Evolutionary algorithm applied to ballistic launch vehicle design using hybrid rocket engine evaluated by enhanced flight simulation

    Article • May 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Toru Shimada, Koki Kitagawa

  12. Numerical analysis of multi-parallelized swirling flow inside a circular pipe

    Article • Journal of Mechanical Science and Technology, March 2015, Springer Science + Business Media

    Dr. Toru Shimada, Koki Kitagawa

  13. Multi-disciplinary Conceptual Design Knowledge of Multi-stage Hybrid Rocket Using Data Mining Technique

    Article • Journal of Mechanics Engineering and Automation, January 2015, David Publishing Company

    Dr. Toru Shimada, Koki Kitagawa

  14. Conceptual Design of Single-stage Rocket Using Hybrid Rocket byMeans of Genetic Algorithm

    Article • Procedia Engineering, January 2015, Elsevier

    Koki Kitagawa

  15. Conceptual design: Dependence of parameterization on design performance of three-stage hybrid rocket

    Article • Journal of Fluid Science and Technology, January 2014, Japan Society of Mechanical Engineers

    Dr. Toru Shimada, Koki Kitagawa

  16. Conceptual Design of Single-Stage Launch Vehicle with Hybrid Rocket Engine for Scientific Observation Using Design Informatics

    Article • Journal of Space Engineering, January 2013, Japan Society of Mechanical Engineers

    Dr. Toru Shimada, Koki Kitagawa

  17. Low-Frequency Feed-System-Coupled Combustion Instability in Hybrid Rocket Motors

    Article • Journal of Thermal Science and Technology, January 2013, Japan Society of Mechanical Engineers

    Dr. Toru Shimada, Koki Kitagawa

  18. Low-Frequency Combustion Instability Induced by the Combustion Time Lag of Liquid Oxidizer in Hybrid Rocket Motors

    Article • TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES AEROSPACE TECHNOLOGY JAPAN, January 2012, Japan Society for Aeronautical and Space Sciences

    Dr. Toru Shimada, Koki Kitagawa

  19. Multi-Stage Hybrid Rocket Conceptual Design for Micro-Satellites Launch using Genetic Algorithm

    Article • TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, January 2012, Japan Society for Aeronautical and Space Sciences

    Dr. Toru Shimada, Koki Kitagawa

  20. LIQUID OXYGEN VAPORIZATION TECHNIQUES FOR SWIRLING-OXIDIZER-FLOW-TYPE HYBRID ROCKET ENGINES

    Article • International Journal of Energetic Materials and Chemical Propulsion, January 2011, Begell House

    Koki Kitagawa

  21. Combustion characteristics of Mg vapor jet flames in CO2 atmospheres

    Article • Proceedings of the Combustion Institute, January 2007, Elsevier

    Koki Kitagawa

  22. Combustion Characteristics of a Swirling LOX Type Hybrid Rocket Engine

    Article • JOURNAL OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, January 2006, Japan Society for Aeronautical and Space Sciences

    Koki Kitagawa

  23. Effects of Swirling Liquid Oxygen Flow on Combustion of a Hybrid Rocket Engine

    Article • July 2004, American Institute of Aeronautics and Astronautics (AIAA)

    Koki Kitagawa

  24. Development of a small sounding hybrid rocket with a swirling-oxidizer-type engine

    Article • July 2001, American Institute of Aeronautics and Astronautics (AIAA)

    Koki Kitagawa