Rchr
J-GLOBAL ID:202001014185284295   Update date: Mar. 20, 2022

Okamoto Koji

オカモト コウジ | Okamoto Koji
Affiliation and department:
Research field  (2): Thermal engineering ,  Fluid engineering
Research theme for competitive and other funds  (10):
  • 2020 - 2023 液体用小型テスラターボマシンの実現
  • 2018 - 2021 音響-流れ場同期可視化手法開発と、それを用いた超音速ジェット広帯域騒音の音源探査
  • 2017 - 2020 翼列複合による小型テスラタービンの高性能化
  • 2014 - 2017 Investigation of shear force pump design for efficiency improvement and its miniaturization
  • 2015 - 2015 先進的マイクロフォンアレイ計測技術を用いた超音速衝突ジェットの音響現象解析
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Papers (154):
  • 赤嶺政仁, 岡本光司, 寺本進, 堤誠司. 間欠移流現象のスペクトル固有直交分解における高次モードの役割. 日本航空宇宙学会第61回航空原動機・宇宙推進講演会講演論文集. 2022. JSASS-2022-0053
  • Iwamoto Yuma, Susumu Teramoto, Koji Okamoto. Large-Eddy Simulation of Slowly Pulsating Channel Flow Using Harmonic Balance Approach. AIAA SCITECH 2022 Forum. 2022
  • Jannati Adnin Tuasikal, Yo Murata, Kisho Yoshida, Takuya Harada, Kanta Sato, Hirofumi Daiguji, Koji Okamoto, Kenichiro Nagai, Hideshi Oinuma, Tatsuya Ishii. Sound Absorption Properties of Porous Metals Under Grazing Flow Conditions. AIAA Journal. 2021. 1-21
  • Masahito Akamine, Koji Okamoto, Susumu Teramoto, Seiji Tsutsumi. Experimental study on effects of plate angle on acoustic waves from supersonic impinging jets. The Journal of the Acoustical Society of America. 2021. 150. 3. 1856-1865
  • Masahito Akamine, Seiji Tsutsumi, Koji Okamoto, Susumu Teramoto, Satoshi Nonaka. Interpretation of Multilobe Wavepackets in Spectral Proper Orthogonal Decomposition of Supersonic Jet. AIAA Journal. 2021. 1-9
more...
Lectures and oral presentations  (14):
  • Experimental Study on the Acoustic Field Caused by Supersonic Jet -Effect of Sound Absorbing Materials-
    (Asian Joint Conference on Propulsion & Power 2021)
  • Effect of Gas Supply Temperature Ratio on Wave Rotor Inlet and Outlet Port Condition
    (Asian Joint Conference on Propulsion & Power 2021)
  • Optical Measurement of Supersonic Jet Noise Using 2-D Position Sensitive Detector
    (Asian Joint Conference on Propulsion & Power 2021)
  • Visualization and acoustic-triggered conditional sampling analysis of acoustic phenomena with screech-tone of an over-expanded supersonic jet
    (178th Meeting of the Acoustical Society of America 2019)
  • Experimental study on the acoustic field caused by the interference of supersonic jet with a perforated plate-The optical measurement of sound absorption
    (178th Meeting of the Acoustical Society of America 2019)
more...
Professional career (1):
  • 博士(工学) (東京大学)
Awards (1):
  • 2008/04 - The Japan Society for Aeronautical and Space Sciences The Japan Society for Aeronautical and Space Sciences Encouragement Award
Association Membership(s) (3):
日本ガスタービン学会 ,  アメリカ航空宇宙学会(American Institute of Aeronautics and Astronautics) ,  日本航空宇宙学会
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