All Stories

  1. Experimental Study of a Cylindrical Rotating Detonation Torch for Scramjet Engines

    Article • January 2026, American Institute of Aeronautics and Astronautics (AIAA)

    Jiro Kasahara

  2. Macroscopic Time-Resolved Study on Reactive Flow Structure in a Gas-Solid Multiphase Cylindrical Rotating Detonation Combustor

    Article • January 2026, American Institute of Aeronautics and Astronautics (AIAA)

    Jiro Kasahara

  3. Experimental Study of Asymmetric Propagation Behavior in Reflective Shuttling Detonation Cycle: Structural Variations Induced by Propagation Direction

    Article • January 2026, American Institute of Aeronautics and Astronautics (AIAA)

    Jiro Kasahara

  4. Operating Characteristics of Rotating Detonation Engine With High-Vapor-Pressure Liquid Fuel for Sounding Rocket Space Flight in 2027

    Article • January 2026, American Institute of Aeronautics and Astronautics (AIAA)

    Jiro Kasahara, Ikkoh Funaki

  5. Flight Demonstration of Detonation Engine System Using Sounding Rocket S-520-34: Performance of Rotating Detonation Engine Using Liquid Propellants

    Article • January 2025, American Institute of Aeronautics and Astronautics (AIAA)

    Tomoki Sato, Ikkoh Funaki, Koichi Matsuyama, Jiro Kasahara

  6. Experimental Investigation of Gaseous Film Cooling for Cylindrical Rotating Detonation Engines

    Article • January 2025, American Institute of Aeronautics and Astronautics (AIAA)

    Jiro Kasahara, Ikkoh Funaki

  7. Numerical Investigation of Detonation-Assisted Fuel Injection Method in Scramjet Engines With Rotating Detonation Combustor

    Article • January 2025, American Institute of Aeronautics and Astronautics (AIAA)

    Jiro Kasahara

  8. Synchronized Initiation of Two Cylindrical Rotating Detonation Engines

    Article • Journal of Propulsion and Power, June 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Jiro Kasahara

  9. Numerical Investigation on Throatless Diverging Rotating Detonation Engines

    Article • January 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Jiro Kasahara

  10. Experimental research for clustering with the coupled cylindrical rotating detonation engine

    Article • January 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Ikkoh Funaki, Jiro Kasahara

  11. Combustion Characteristics of Reflective Shuttling Detonation Combustor with Different Equivalence Ratio

    Article • January 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Jiro Kasahara

  12. A Bread Board Model Testing for In-Space Flight Demonstration of a Liquid-Propellant Detonation Engine System

    Article • January 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Jiro Kasahara, Director Masaharu Uchiumi, Ikkoh Funaki, Koichi Matsuyama

  13. Overview for the research and development of Rotating Detonation Engine Systems using a liquid-liquid propellant combination

    Article • January 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Ikkoh Funaki, Tomoki Sato, Director Masaharu Uchiumi, Jiro Kasahara, Koichi Matsuyama

  14. Operating Characteristics of Cylindrical Rotating Detonation Engines Using Liquid Ethanol and Liquid Nitrous Oxide

    Article • January 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Tomoki Sato, Director Masaharu Uchiumi, Ikkoh Funaki, Hideyuki Tanno, Jiro Kasahara

  15. The Rotating Detonation Engines with The Helical Combustion Chambers

    Article • January 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Jiro Kasahara, Ikkoh Funaki

  16. Thrust Performance of Converging Rotating Detonation Engine Compared with Steady Rocket Engine

    Article • Journal of Propulsion and Power, February 2023, American Institute of Aeronautics and Astronautics (AIAA)

    Jiro Kasahara

  17. Space Flight Demonstration of Rotating Detonation Engine Using Sounding Rocket S-520-31

    Article • Journal of Spacecraft and Rockets, October 2022, American Institute of Aeronautics and Astronautics (AIAA)

    Jiro Kasahara

  18. Experimental Research on Thrust Performance of Rotating Detonation Engine with Liquid Ethanol and Gaseous Oxygen

    Article • June 2022, American Institute of Aeronautics and Astronautics (AIAA)

    Jiro Kasahara, Ikkoh Funaki, Tomoki Sato, Kazuki Ishihara

  19. Numerical Investigation of Rotating Detonation Engine with Injection from the Combustor Side Wall

    Article • June 2022, American Institute of Aeronautics and Astronautics (AIAA)

    Jiro Kasahara

  20. Supersonic Exhaust from a Rotating Detonation Engine with Throatless Diverging Channel

    Article • AIAA Journal, March 2022, American Institute of Aeronautics and Astronautics (AIAA)

    Jiro Kasahara

  21. Cylindrical Rotating Detonation Engine with Propellant Injection Cooling

    Article • Journal of Propulsion and Power, November 2021, American Institute of Aeronautics and Astronautics (AIAA)

    Jiro Kasahara

  22. Torque Around Axial Direction on Rotating Detonation Engines

    Article • Journal of Propulsion and Power, September 2021, American Institute of Aeronautics and Astronautics (AIAA)

    Jiro Kasahara

  23. Propulsive Performane of Cylindrical Rotating Detonation Engine with Propellant Injection Cooing

    Article • January 2021, American Institute of Aeronautics and Astronautics (AIAA)

    Jiro Kasahara, Ikkoh Funaki

  24. Numerical study on early-times laser controlled detonative propulsion

    Article • January 2021, American Institute of Aeronautics and Astronautics (AIAA)

    Jiro Kasahara

  25. Experimental Measurement of Torque and Force on a Rotating Detonation Engine with Six-Axis Force Sensor

    Article • January 2021, American Institute of Aeronautics and Astronautics (AIAA)

    Jiro Kasahara, Ikkoh Funaki

  26. Thrust Validation of Rotating Detonation Engine System by Moving Rocket Sled Test

    Article • Journal of Propulsion and Power, December 2020, American Institute of Aeronautics and Astronautics (AIAA)

    Jiro Kasahara

  27. Prediction of Pressure Loss in Injector for Rotating Detonation Engines Using Single-element Simulations

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

    Jiro Kasahara, Tomohito Suzuki

  28. Cylindrical Rotating Detonation Engine Cooling by Means of Propellant Injection

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

    Jiro Kasahara, Ikkoh Funaki

  29. Propulsion Performance of Cylindrical Rotating Detonation Engine

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

    Ikkoh Funaki, Jiro Kasahara

  30. An Experimental Study of In-Space Rotating Detonation Rocket Engine with Cylindrical Configuration

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

    Jiro Kasahara, Ikkoh Funaki

  31. Numerical Investigation on Characteristic Lengths for Gaseous Detonation with Dilute Water Spray

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

    Jiro Kasahara

  32. Experimental Study on Shortening Deflagration-to-Detonation Transition by Nanosecond Laser Ignition

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

    Jiro Kasahara

  33. Experimental Performance Validation of a Rotating Detonation Engine toward a Flight Demonstration

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

    Jiro Kasahara, Ikkoh Funaki, Director Masaharu Uchiumi

  34. Propulsion Performance of Inner-Cylinder-Less Rotating Detonation Engine

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

    Jiro Kasahara, Ikkoh Funaki

  35. Propulsive Performance and Heating Environment of Rotating Detonation Engine with Various Nozzles

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

    Ikkoh Funaki, Jiro Kasahara, Director Masaharu Uchiumi, KAZUYUKI HIGASHINO

  36. Research and development of rotating detonation engine system for the sounding rocket flight experiment S520-31

    Article • January 2019, American Institute of Physics

    Jiro Kasahara

  37. Optical Measurement of Fluid Motion in Semi-Valveless Pulse Detonation Combustor with High-Frequency Operation

    Article • Combustion Science and Technology, December 2018, Taylor & Francis

    Jiro Kasahara, Prof. Takuma Endo

  38. Validation of Pulse-Detonation Operation in Low-Ambient-Pressure Environment

    Article • Journal of Propulsion and Power, January 2018, American Institute of Aeronautics and Astronautics (AIAA)

    Ikkoh Funaki, Jiro Kasahara

  39. Experimental Study of the Disk-Shaped Rotating Detonation Turbine Engine

    Article • January 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Ikkoh Funaki, Jiro Kasahara

  40. Numerical Investigation on Burned Gas Backflow in Liquid Fuel Purge Method

    Article • January 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Jiro Kasahara

  41. Study on a Long-time Operation Towards Rotating Detonation Rocket Engine Flight Demonstration

    Article • January 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Ikkoh Funaki, Jiro Kasahara

  42. Experimental Visualization of the Structure of Rotating Detonation Waves in a Disk-Shaped Combustor

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

    Jiro Kasahara

  43. Experimental Study of Research of Centrifugal-Compressor-Radial-Turbine Type Rotating Detonation Engine

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

    Ikkoh Funaki, Jiro Kasahara

  44. Numerical Study for Rotating Detonation Propagation in a Two-Parallel-Plane Combustor

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

    Jiro Kasahara

  45. Numerical Simulation towards Investigating the Factor for Velocity Decrease of Detonation Wave in Rotating Detonation Engine Chamber

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

    Jiro Kasahara

  46. Experimental Study of Effects of Injector Configurations on Rotating Detonation Engine Performance

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

    Ikkoh Funaki, Jiro Kasahara

  47. Experimental Performance Evaluation of 3N-Class Pulse Detonation Thruster using Liquid Purge Method

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

    Ikkoh Funaki, Jiro Kasahara

  48. Development of High-Frequency Pulse Detonation Combustor without Purging Material

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

    Prof. Takuma Endo, Jiro Kasahara

  49. One-Dimensional Numerical Investigation on Purging the Burned Gas by the Evaporation of Water Droplets in Pulse Detonation Combustor

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

    Prof. Takuma Endo, Jiro Kasahara

  50. Study of Combustion Chamber Characteristic Length in Rotating Detonation Engine with Convergent-Divergent Nozzle

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

    Ikkoh Funaki, Jiro Kasahara

  51. Schlieren-System-Visualization of Combustion Phenomena in a Two-Parallel-Plane Combustor

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

    Ikkoh Funaki, Jiro Kasahara

  52. Performance Evaluation of a Rotating Detonation Engine with Conical-Shape Tail

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

    Ikkoh Funaki, Jiro Kasahara

  53. Visualization of Rotating Detonation Waves in a Plane Combustor with a Cylindrical Wall Injector

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

    Ikkoh Funaki, Jiro Kasahara

  54. Study on Pulse Detonation Rocket Engine Using Flight Test Demonstrator "Todoroki II"

    Article • July 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Ikkoh Funaki, Jiro Kasahara

  55. Thrust Measurement of Rotating Detonation Engine by Sled Test

    Article • July 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Ikkoh Funaki, Jiro Kasahara

  56. Study on Detonation-Engine Momentum-and-Thrust loss Measurement by Ballistic Pendulum and Laser Displacement Method

    Article • January 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Jiro Kasahara

  57. Study on a Rotary-Valved Four-Cylinder Pulse Detonation Rocket : Thrust Measurement by Ground Test

    Article • January 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Ikkoh Funaki, Jiro Kasahara

  58. Study on a Rotary-Valved Four-Cylinder Pulse Detonation Rocket: Six Degree-of-Freedom Flight Measurement

    Article • January 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Ikkoh Funaki, Jiro Kasahara

  59. Reflection Phenomena of Oblique Detonation Wave around Hypersonic Spherical Projectiles on Plane Plate

    Article • January 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Jiro Kasahara