Takagi Masahide

タカギマサヒデ | Takagi Masahide

Affiliation and department：

Research field (2)： Marine and maritime engineering , Thermal engineering

Research keywords (6)： Thermo-fluid dynamics , Numerical analysis , Modeling , Spray engineering , Fuel , Atomization

Research theme for competitive and other funds (6)：

2025 - 2029 Ignition evaluation and wall heat loss reduction method for promoting the use of petroleum blended alternative fuels
2022 - 2025 Study of heat loss reduction mechanism and thermal efficiency improvement method in e-fuel blended fuel based on re-laminarization
2021 - 2024 Influence of Aromatic Components in Low Sulpher Fuels on Soot Emission and Wall Heat Loss
2018 - 2021 Study of improvement technology for a natural gas fueled engine with igniton of micro pilot fuel
2018 - 2021 Droplet Evaporation and Ignition Delay Model based on Physical Properties for Low Ignitablity Fuel

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Papers (46)：

Yasuo Imai, Masahide Takagi. Evaluation of soot emission and wall heat loss for the fuels with high aromatic contents using the coupled analysis of chemical luminescence images with heat flux. International Journal of Engine Research. 2025. 26. 4. 567-583
Yasuo IMAI, Masahide TAKAGI. Influence of Pilot Fuel Ignitability on Ignition and Combustion Characteristics in Methane-Air Mixture. Journal of JIME. 2023. 58. 4. 581-589
Masahide Takagi. Analysis of Wall Heat Flux with Diesel Spray Flame Impingement. Papers of National Maritime Research Institute. 2023. 23. 1. 47-62
Masahide Takagi, Satoshi Kawauchi. Estimation of Fuel Component for Ignitability Index of Marine Fuel - Estimation Method and Application to Multi-component Fuel (Residual Marine Fuel). Journal of JIME. 2023. 58. 1. 117-124
Yasuo Imai, Masahide Takagi, Satoshi Kawauchi. Fundamental Study of Ignition and Combustion Characteristics of Natural Gas Engines Using Pilot Fuel Injection - Effects of Pilot Fuel Injection Strategies on Ignition and Combustion Characteristics of Methane-Air Mixture. Journal of JIME. 2022. 57. 6. 790-797

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MISC (17)：

Masahide Takagi. Study on Estimation of Marine Fuel Ignitability. Papers of National Maritime Research Institute. 2024. 23. 4. 445-455
Masahide TAKAGI. Fuel Spray Model. JSAE forum2023. 2024
Masahide Takagi, Satoshi Kawauchi. Shot-by-shot Variations of Fuel Spray Displayed by Engine Combustion Analysis Software HINOCA. Marine Engineering. 2023. 58. 3. 359-364
Masahide TAKAGI, Jun HASHIMOTO. Fuel Spray and Soot Model - the Latest Model of Engine Combustion Simulation Software "HINOCA". The Japan Society of Mechanical Engineers, training session. 2022
Masahide TAKAGI, Satoshi KAWAUCHI. Fuel spray modeling in engine combustion simulation software "HINOCA". JSAE Engine Review. 2021. 11. 3

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Patents (11)：

Heat loss evaluation device, heat loss evaluation method, material evaluation method
Combustion device
Fuel evaporation process analysis method, evaporation process analysis program and fuel injection control system using it
Calculation method of degradation function of denitration catalyst
Urea water decomposition analysis program for denitration system

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Books (1)：

Simulation for Automotive Engines
CORONA PUBLISHING CO.,LTD. 2019 ISBN:9784339046601

Education (2)：

Professional career (1)：

Work history (5)：

2017/04 - 現在 National Institute of Maritime, Port and Aviation Technology, National Maritime Research Institute Marine Environment & Engine System Department Head of Environmentally-Friendly Engine Research Group
2016/10 - National Institute of Maritime, Port and Aviation Technology, National Maritime Research Institute Marine Environment & Engine System Department Principal Researcher
2008/04 - National Maritime Research Institute Project Team for Environmentally Friendly Engine Development Senior Researcher
2003/04 - National Maritime Research Institute Environment and Energy Department Researcher
2002/04 - National Maritime Research Institute Environment and Energy Department limited-term Researcher

Committee career (5)：

2025/04 - 現在 Japan Gas Appliances Inspection Association Examiners Committee for Chief Gas Engineer's Licenses
2022/08 - 現在 Maritime Bureau, Ministry of Land, Infrastructure, Transport and Tourism Technical Advisory Board, Maritime Transport of Radioactive Materials
2022/06 - 現在 Japan Institute of Marine Engineering General Affairs Committee
2014 - 現在 Japan Internal Combustion Engine Federation JICEF CIMAC WG7 committee
2018/06 - 2020/05 Japan Institute of Marine Engineering General Affairs Committee

Awards (7)：

2024/05 - Paper Prize of The Japan Institute of Marine Engineering Estimation of Fuel Component for Ignitability Index of Marine Fuel - Estimation Method and Application to Multi-component Fuel (Residual Marine Fuel)
2023/05 - Paper Prize of The Japan Institute of Marine Engineering Fundamental Study of Ignition and Combustion Characteristics of Natural Gas Engines Using Pilot Fuel Injection - Effects of Pilot Fuel Injection Strategies on Ignition and Combustion Characteristics of Methane-Air Mixture
2012/05 - Paper Prize of The Japan Institute of Marine Engineering Prediction of Deactivation and Regeneration of DeNOx Catalyst Using Simple Reaction Model - 1st Report : Model for Predicting Deactivation
2011/05 - Paper Prize of The Japan Institute of Marine Engineering Studies on SCR NOx Removal Catalyst Using Micro-reactors - Deterioration and Countermeasures
2010/05 - Paper Prize of The Japan Institute of Marine Engineering Effects of Rolling Motion on Gas-Solid Flow in Circulating Fluidized Bed

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Association Membership(s) (3)：

THE JAPAN INSTITUTE OF MARINE ENGINEERING , SOCIETY OF AUTOMOTIVE ENGINEERS OF JAPAN , THE JAPAN SOCIETY OF MECHANICAL ENGINEERS

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