Report Number: R16E0005 Responsible Representative: Toshiya Nakamura(Aeronautical Technology Directorate, Next Generation Aeronautical Innovation Hub Center) Contact Information: Junichi Kazawa(kazawa.junichi@jaxa.jp) Members: Junichi Kazawa, Shunji Enomoto, Takashi Ishiyama Subject Category: Aviation(Aircraft engine) Abstract Noise generated from the jet engine is dominant to total aircraft noise level and it is very important to reduce this. In this project, demonstration of exhaust noise reduction by changing exhaust duct shape, and study of fan noise reduction technique by numerical analysis are carried out. Goal Please・・・<<read more>>
Report Number: R16E0004 Responsible Representative: Toshiya Nakamura(Aeronautical Technology Directorate, Next Generation Aeronautical Innovation Hub Center) Contact Information: Mitsumasa Makida(makida@chofu.jaxa.jp) Members: Mitsumasa Makida, Naoki Nakamura Subject Category: Aviation(Aircraft engine) Abstract In the development process of aircraft combustors, air mass flow distribution between fuel nozzles, dilution and cooling air holes on the liner effects performances of combustors. So it is important to understand the internal flow and estimate the mass flow distribution. In this research, we conduct cold-flow simulations of internal flow・・・<<read more>>
Report Number: R16E0003 Responsible Representative: Yoshikazu Makino(Next Generation Aeronautical Innovation Hub Center, Aeronautical Technology Directorate) Contact Information: Mitsuru Kurita(kurita@chofu.jaxa.jp) Members: Mitsuru Kurita, Fumitake Kuroda Subject Category: Aviation(Aircraft) Abstract FINE:Flight Investigation of skiN-friction reducing Eco-coating. The riblet reduces skinfriction on the surface of an airplane with turbulent boundary layer. An original technique for the riblet is developed in JAXA. In the FINE, the riblet is adopted on the fuselage of an experimental airplane Hisho in JAXA. Goal This study puts research・・・<<read more>>
