All Stories

  1. 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

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. The Rotating Detonation Engines with The Helical Combustion Chambers

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

    Jiro Kasahara, Ikkoh Funaki

  8. 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

  9. Keeper Ignition and Discharge Characteristics of Hollow Cathode Center-Mounted on Hall Thruster

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

    Ikkoh Funaki

  10. 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

  11. 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

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

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

    Jiro Kasahara, Ikkoh Funaki

  13. Relationship of Current Distribution of Magnetopause and Thrust Characteristics in Multipole Magnetic Sail

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

    Professor Hideyuki Horisawa, Ikkoh Funaki, Yuki Murayama

  14. Performance Evaluation of a Two-Kilowatt Magnetically Shielded Hall Thruster

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

    Ikkoh Funaki

  15. Propulsion Performance of Cylindrical Rotating Detonation Engine

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

    Ikkoh Funaki, Jiro Kasahara

  16. 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

  17. Ion Thruster Operation with Carbon Nanotube Field Emission Cathode

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

    Ikkoh Funaki, Naoji Yamamoto

  18. 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

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

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

    Jiro Kasahara, Ikkoh Funaki

  20. Analysis of Thrust Performance and Cathode Phenomena on a Megawatt-Class MPD Thruster

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

    Ikkoh Funaki, Shitan Tauchi

  21. 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

  22. External Discharge Plasma Thruster

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

    Ikkoh Funaki, Preliminary Investigation of an External Discharge Plasma Thruster Yushi Hamada, Burak Karadag, Prof. Kimiya Komurasaki

  23. 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

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

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

    Ikkoh Funaki, Jiro Kasahara

  25. 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

  26. 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

  27. 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

  28. Thrust Performance and Cathode Temperature Evaluation of MW Class Quasi-Steady MPD Thruster

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

    Ikkoh Funaki

  29. Preliminary Investigation of an External Discharge Plasma Thruster

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

    Prof. Kimiya Komurasaki, Burak Karadag, Preliminary Investigation of an External Discharge Plasma Thruster Yushi Hamada, Ikkoh Funaki

  30. Laboratory Testing of Hall Thrusters for All-electric Propulsion Satellite and Deep Space Explorers

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

    Ikkoh Funaki

  31. The Effects of Cathode Boundary Condition on Particle Simulation of a SPT-100-like Hall Thruster

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

    Ikkoh Funaki

  32. Numerical and Experimental Study on Discharge Characteristics of High-Current Hollow Cathode

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

    Ikkoh Funaki

  33. 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

  34. 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

  35. MHD and Thermal Coupled Simulation of an MPD Thruster

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

    Ikkoh Funaki

  36. 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

  37. Prediction of In-Flight Radio Frequency Attenuation by a Rocket Plume

    Article • Journal of Spacecraft and Rockets, March 2015, American Institute of Aeronautics and Astronautics (AIAA)

    Koichi Okita, Ikkoh Funaki

  38. 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

  39. 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

  40. Thrust Measurement of Radio Frequency Inductively Coupled Plasma Thruster

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

    Ikkoh Funaki, Takayasu Fujino

  41. Analysis of Self-field MPD Thrusters for Designing a Megawatt-class In-space Propulsion System

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

    Professor Hideyuki Horisawa, Ikkoh Funaki

  42. Parametric Kinetic Simulation of an IHI High Specific Impulse SPT-Type Hall Thruster

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

    Ikkoh Funaki

  43. Thrust Performance of High Magnetic Field Permanent Magnet Type Helicon Plasma Thruster

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

    Ikkoh Funaki

  44. Numerical Simulation of Plasma Flow in a Self-field MPD Thruster Coupled with Electrode Sheath

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

    Ikkoh Funaki

  45. Numerical Simulation of Microwave Neutralizer Including Ion’s Kinetic Effects

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

    Naoji Yamamoto, Ikkoh Funaki

  46. Experimental Investigation of Magnetoplasma Sail with High Beta Plasma Jet

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

    Prof Hiroshi Yamakawa, Ikkoh Funaki

  47. 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

  48. Thrust Measurement of Rotating Detonation Engine by Sled Test

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

    Ikkoh Funaki, Jiro Kasahara

  49. 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

  50. 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