Koji Fujita - Papers - researchmap

Papers

43

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Piezoelectric flutter energy harvesting: absolute nodal coordinate formulation model and wind tunnel experiment

Taisei Mukogawa, Kento Shimura, Shuonan Dong, Koji Fujita, Hiroki Nagai, Masaki Kameyama, Yu Shi, Yu Jia, Constantinos Soutis, Hiroki Kurita …

Mechanics Research Communications, 104351-104351, Nov, 2024
Consistent Strain-Based Multifidelity Modeling for Geometrically Nonlinear Beam Structures

Keisuke Otsuka, Yinan Wang, Koji Fujita, Hiroki Nagai, Kanjuro Makihara

Journal of Computational and Nonlinear Dynamics, 17(11), Sep 7, 2022 Peer-reviewed
Joint Parameters for Strain-Based Geometrically Nonlinear Beam Formulation: Multibody Analysis and Experiment

Keisuke Otsuka, Shuonan Dong, Koji Fujita, Hiroki Nagai, Kanjuro Makihara

Journal of Sound and Vibration, 117241-117241, Aug, 2022 Peer-reviewed
Investigation of Formulations on Pyrene-Based Anodized-Aluminum Pressure-Sensitive Paints for Supersonic Phenomena

Kazuma Yomo, Tsubasa Ikami, Koji Fujita, Hiroki Nagai

Sensors, 22(12) 4430-4430, Jun 11, 2022 Peer-reviewed
Numerical Analysis of Wick-Type Two-Phase Mechanically Pumped Fluid Loop for Thermal Control of Electric Aircraft Motors

Xinyu Chang, Koji Fujita, Hiroki Nagai

Energies, 15(5) 1800-1800, Feb 28, 2022 Peer-reviewed
Influence of Formulations on Characteristics of Ruthenium-Based Temperature-Sensitive Paints

Tsubasa Ikami, Koji Fujita, Hiroki Nagai

Sensors, 22(3) 901-901, Jan 25, 2022 Peer-reviewed
Measurement of boundary layer transition on oscillating airfoil using cntTSP in low-speed wind tunnel

Tsubasa Ikami, Koji Fujita, Hiroki Nagai, Daisuke Yorita

Measurement Science and Technology, 32(7) 075301-075301, Jul 1, 2021 Peer-reviewed
Aeroelastic deformation measurement of Martian airplane for high-altitude flight experiment using stereophotogrammetry

Shuichi Hiramatsu, Masayuki Anyoji, Koji Fujita, Hiroki Nagai, Akira Oyama, Hiroyuki Kato

Engineering Research Express, 3(1) 015035-015035, Feb 23, 2021 Peer-reviewed
Conceptual Design of Micro Mars Airplane Using Inflatable Wing

Issei Mamiya, Koji Fujita, Hiroki Nagai

JOURNAL OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, 69(1) 16-23, Feb, 2021 Peer-reviewed
Experimental Investigation on Aerodynamic Performance of Coaxial Rotor at Low Reynolds Numbers

Atsushi Yamaguchi, Raoul S. Golani, Koji Fujita, Hiroki Nagai

AIAA Scitech 2021 Forum, Jan 11, 2021
Permeable membrane wing characteristics at Reynolds number order of 10,000

Koji Fujita, Koichi Takahashi, Hiroki Nagai

AIAA Scitech 2021 Forum, Jan 11, 2021
Response Evaluation of cntTSP for Detection of Dynamic Boundary Layer Transition in Low-Speed Wind Tunnel

Tsubasa Ikami, Koji Fujita, Hiroki Nagai, Daisuke Yorita

AIAA Scitech 2021 Forum, Jan 11, 2021
Accuracy Evaluation Method of Inertial Measurement Unit Using Optical Motion Capture System

Koji Fujita, Daisuke Kubo, Akira Oyama, Hiroki Nagai

AEROSPACE TECHNOLOGY JAPAN, THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, 20 101-104, 2021 Peer-reviewedLead authorCorresponding author
Quantitative density measurement of wake region behind reentry capsule (Improvements in accuracy of 3D reconstruction by evaluating the view-angle of measurement system)

Masato YAMAGISHI, Yusuke YAHAGI, Masanori OTA, Yusuke HIROSE, Shinsuke UDAGAWA, Tatsuro INAGE, Shigeya KUBOTA, Koji FUJITA, Kiyonobu OHTANI, Hiroki NAGAI

Journal of Fluid Science and Technology, 16(3) JFST0021-JFST0021, 2021 Peer-reviewed
Thermal state estimation based on Assisted Ensemble Kalman Filter

Hiroto TANAKA, Takashi MISAKA, Koji FUJITA, Hiroki NAGAI

Transactions of the JSME (in Japanese), 87(898) 21-00010, 2021 Peer-reviewed
Investigation of Data Acquisition Conditions for Dynamic Mode Decomposition in Unsteady PSP Measurement

Tsubasa IKAMI, Koji FUJITA, Hiroki NAGAI, Yu MATSUDA, Yasuhiro EGAMI

Transactions of the Visualization Society of Japan, 41(6) 11-20, 2021 Peer-reviewed
Effects of Propeller Position and Rotation Direction on the Ishii Wing at a Low Reynolds Number

Koji FUJITA, Kakeru KURANE, Koichi TAKAHASHI, Hiroki NAGAI

TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, 64(1) 22-30, Jan, 2021 Peer-reviewedLead author
Sub-millimeter resolution pressure measurement on free flight model at Mach 1.5 using novel non-intrusive optical technique

Daiki Kurihara, Joseph P. Gonzales, Steven L. Claucherty, Hideki Kiritani, Koji Fujita, Aleksandar Jemcov, Hiroki Nagai, Hirotaka Sakaue

Experimental Thermal and Fluid Science, 120 110243-110243, Jan, 2021 Peer-reviewed
Low-Reynolds-Number Flowfield of Wing with Control Surface in Propeller Slipstream

Tsubasa Ikami, Koji Fujita, Hiroki Nagai

Journal of Aircraft, 58(2) 1-8, Nov 16, 2020 Peer-reviewed
A Feasibility Analysis of Collaborative Mission Using Mars Airplane and Mars Balloon - Mars Aerial-Exploration for Terrestrial and Tropospheric Environment Observation -

Hiroto TANAKA, Issei MAMIYA, Hideki KIRITANI, Hiroki NAGASAWA, Takumi HIRATA, Tatsuya TONAI, Hiroki NAGAI, Koji FUJITA

TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN, 18(3) 64-70, May, 2020 Peer-reviewed