Presentations -
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Effects of LTO on Antiknocking Properties of Fuels
Taisei Shiizu, Atsuki Okada, Koshi Suyama, Shota Okuyama, Kazunari Kuwahara
Internal meeting The 100th Annual Meeting of The Japan Society of Mechanical Engineers Kansai Brach ( Osaka Metropolitan University, Osaka ) Oral Presentation(general)
2025.03【Proceedings】 The Proceedings of The 100th Annual Meeting of The Japan Society of Mechanical Engineers Kansai Brach
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Meanings of Antiknocking Effect of Ethane Addition to Gasoline
Atsuki Okada, Taisei Shiizu, Shota Okuyama, Koshi Suyama, Kazunari Kuwahara
Internal meeting The 100th Annual Meeting of The Japan Society of Mechanical Engineers Kansai Brach ( Osaka Metropolitan University, Osaka ) Oral Presentation(general)
2025.03【Proceedings】 The Proceedings of The 100th Annual Meeting of The Japan Society of Mechanical Engineers Kansai Brach
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Effect of Adding Methane, Ethane or Propane to Gasoline to Improve Antiknocking Property
Tsuyoshi Yano, Haruki Sano, Atsuki Okada, Taisei Shomizu, Kazunari Kuwahara
Internal meeting The 99th Annual Meeting of The Japan Society of Mechanical Engineers Kansai Brach ( Osaka Institute of Technology, Osaka ) Oral Presentation(general)
2024.03【Proceedings】 The Proceedings of The 99th Annual Meeting of The Japan Society of Mechanical Engineers Kansai Brach
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Effects of RON and LTO on Antiknocking Properties of Fuels
Haruki Sano, Tsuyoshi Yano, Atsuki Okada, Kazunari Kuwahara
Internal meeting The 99th Annual Meeting of The Japan Society of Mechanical Engineers Kansai Brach ( Osaka Institute of Technology, Osaka ) Oral Presentation(general)
2024.03【Proceedings】 The Proceedings of The 99th Annual Meeting of The Japan Society of Mechanical Engineers Kansai Brach
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Fuel Design Concept to Improve Both Combustion Stability and Antiknocking Property Focusing on Ignition and Combustion Characteristics of Ethane (Second Report) - Whole Picture of Effect of Adding Methane, Ethane or Propane to Gasoline -
Atsuki Okada, Tsuyoshi Yano, Taisei Shimizu, Kazunari Kuwahara
Internal meeting The 34th Internal Combustion Engine Symposium ( Japan Education Center, Tokyo ) Oral Presentation(general)
2023.12【Proceedings】 The Proceedings of the 34th Internal Combustion Engine Symposium
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Fuel Design Concept to Improve Both Combustion Stability and Antiknocking Property Focusing on Ignition and Combustion Characteristics of Ethane
Tsuyoshi Yano, Atsuki Okada, Taisei Shimizu, Kazunari Kuwahara
Internal meeting The 61st Symposium (Japanese) on Combustion ( Akita Atorion, Akita ) Oral Presentation(general)
2023.11【Proceedings】 The Proceedings of The 61st Symposium (Japanese) on Combustion 2023.11
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End-Gas Autoignition Prediction Using Reverse Livengood-Wu Integral with Ignition Delay Time Equations for Gasoline Surrogate Fuel
Kazunari Kuwahara
International conference 2023 JSAE/SAE Powertrains, Energy and Lubricants International Meeting ( Kyoto Terrsa, Kyoto ) Oral Presentation(general)
2023.08-2023.09【Proceedings】 The Proceedings of 2023 JSAE/SAE Powertrains, Energy and Lubricants International Meeting 2023.08
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Fuel Design Concept to Improve Both Combustion Stability and Antiknocking Property Focusing on Ignition and Combustion Characteristics of Ethane
Atsushi Fukuda, Shoya Inoue, Hyuga Sakai, Kazunari Kuwahara
Internal meeting 2023 JSAE Congress (Spring) ( Pacific Convention Plaza Yokohama, Yokohama ) Oral Presentation(general)
2023.05【Proceedings】 2023 JSAE Congress (Spring) Proceedings 2023.05
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In-Cylinder Autoignition Prediction Using Livengood-Wu Integral with Ignition Delay Time Equations for Natural-Gas Model Fuel
Tsuyoshi Yano, Taiju Deguchi, Kazunari Kuwahara
Internal meeting ( Kyoto Institute of Technology ) Oral Presentation(general)
2023.03 -
Fuel Design Concept to Improve Both Combustion Stability and Antiknocking Property Focusing on Ignition and Combustion Characteristics of Ethane
Atsushi Fukuda, Takanori Morimoto, Hyuga Sakai, Shoya Inoue, Kazunari Kuwahara
Internal meeting ( Kyoto Institute of Technology ) Oral Presentation(general)
2023.03 -
Development of High-Accuracy End-Gas Autoignition Prediction Model (Eighth Report) - Expansion of Application Conditions for Ignition Delay Time Equations and Rediscussion of Error Correction Method -
Kazunari Kuwahara
Internal meeting 2022 JSAE Congress (Spring) ( Online ) Oral Presentation(general)
2022.05【Proceedings】 2022 JSAE Congress (Spring) Proceedings 2022.05
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Consideration on Improving Autoignition Prediction Using Livengood-Wu Integral with Ignition Delay Time Equations
Takanori Morimoto, Atsushi Fukuda, Kazunari Kuwahara
Internal meeting ( Online ) Oral Presentation(general)
2022.03【Proceedings】 2022.03
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Effect of Negative Temperature Coefficient Region on Autoignition Prediction Using Livengood-Wu Integral with Ignition Delay Time Equations for Normal Hexadecane
Atsushi Fukuda, Takanori Morimoto, Kazunari Kuwahara
Internal meeting 2021JSAE Congress (Autumn) ( Online ) Oral Presentation(general)
2021.10【Proceedings】 2021JSAE Congress (Autumn) Proceedings 2021.10
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Development of High-Accuracy End-Gas Autoignition Prediction Model (Seventh Report) - Prediction of Experimental End-Gas Autoignition Using Reverse Livengood-Wu Integral -
Kazunari Kuwahara, Kotaro Tanaka
Internal meeting 2021JSAE Congress (Autumn) ( Online ) Oral Presentation(general)
2021.10【Proceedings】 2021JSAE Congress (Autumn) Proceedings 2021.10
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Development of High-Accuracy End-Gas Autoignition Prediction Model (Sixth Report) - Autoignition Prediction under EGR Conditions Using Reverse Livengood-Wu Integral -
Kazunari Kuwahara
Internal meeting 2021JSAE Congress (Spring) ( Online ) Oral Presentation(general)
2021.05【Proceedings】 2021JSAE Congress (Spring) Proceedings 2021.05
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Development of High-Accuracy Autoignition Prediction Model - Reverse Livengood-Wu Integral Using Ignition Delay Time and Error Correction Equations -
Kazunari Kuwahara
Internal meeting Oral Presentation(general)
2021.03【Proceedings】 1 - 4 2021.03
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Development of High-Accuracy End-Gas Autoignition Prediction Model (Fourth Report) - High-Accuracy Livengood-Wu Integral Using Ignition Delay Time and Error Correction Equations -
Kazunari Kuwahara
Internal meeting 2020JSAE Congress (Spring) Oral Presentation(general)
2020.05【Proceedings】 2020JSAE Congress (Spring) Proceedings 1 - 6 2020.05
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Development of High-Accuracy Knocking Prediction Model Using Livengood-Wu Integral
Takuhiro Minamide, Kazunari Kuwahara
Internal meeting Oral Presentation(general)
2020.03【Proceedings】 1 - 4 2020.03
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Development of High-Accuracy End-Gas Autoignition Prediction Model (Third Report) Development of Error Correction Equations for Autoignition Prediction Using Livengood-Wu Integral
Takuhiro Minamide, Kazunari Kuwahara
Internal meeting 2019JSAE Congress (Autumn) ( Sendai International Center ) Oral Presentation(general)
2019.10【Proceedings】 2019JSAE Congress (Autumn) Proceedings 1 - 6 2019.10
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Development of High-Accuracy End-Gas Autoignition Prediction Model (Second Report) Development of Ignition Delay Time Equations for a Premium-Gasoline Surrogate Fuel
Kazunari Kuwahara
Internal meeting 2018JSAE Congress (Autumn) ( Nagoya Congress Center ) Oral Presentation(general)
2018.10【Proceedings】 2018JSAE Congress (Autumn) Proceedings 1 - 6 2018.10
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Development of High-Accuracy End-Gas Autoignition Prediction Model (First Report) The Nature of Autoignition Prediction Using Livengood-Wu Integral
Kazunari Kuwahara
Internal meeting 2018JSAE Annual Congress (Spring) ( Pacifico Yokohama ) Oral Presentation(general)
2018.05【Proceedings】 2018JSAE Annual Congress (Spring) Proceedings 1 - 6 2018.05
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Effects of Ozonated Chlorine Addition to Fuel on Engine Combustion
Yu Matsumoto, Masahiro Furutani, Tomoyuki Mukayama, Eriko Matsumura, Jiro Senda, Kazunari Kuwahara
Internal meeting The Fifty-Fifth Symposium (Japanese) on Combustion ( Toyama, Japan ) Oral Presentation(general)
2017.11 -
Recent Advances in Combustion Control Technologies for Gasoline Engines
Kazunari Kuwahara
International conference International Conference on Recent Advances in Automotive Engineering & Mobility Research (ReCAR 2017) ( Selangor, Malaysia ) Oral Presentation(key)
2017.08 -
Empirical Approach to Small-Scale Reaction Mechanism for Regular Gasoline Surrogate Fuel
Kazunari Kuwahara, Yoshihiro Ueda, Yasuyuki Sakai, Tsukasa Hori, Tomoyuki Mukayama, Eriko Matsumura, Jiro Senda
International conference The Ninth International Conference on Modeling and Diagnostics for Advanced Engine Systems (COMODIA 2017) ( 岡山 ) Oral Presentation(general)
2017.07 -
Three-Dimensional Simulation of Heat Transfer in Diesel-Spray Flame Impinging on Flat Wall using Skeletal Mechanism of n-Tridecane
Tsukasa Hori, Kho Fujiwara, Makoto Tsubokura, Kazunari Kuwahara, Eriko Matsumura, Jiro Senda
International conference The Ninth International Conference on Modeling and Diagnostics for Advanced (COMODIA 2017) ( 岡山 ) Oral Presentation(general)
2017.07 -
A Study on the Wall Heat Loss from Diesel Spray Flame (Third Report) - Effects of Fuel Heating on the Heat Flux -
Takeshi Tatsumi, Shigeyuki Maeda, Masanori Nakata, Yoshimitsu Kobashi, Kazunari Kuwahara, Eriko Matsumura, Jiro Senda
Internal meeting The 27th Internal Combustion Engine Symposium ( Tokyo, Japan ) Oral Presentation(general)
2016.12 -
ディーゼル噴霧火炎における壁面熱損失に関する研究 （第2報）－パイロット噴射が熱流束に及ぼす影響－
巽健，前田篤志，中田将徳，小橋好充，桑原一成，松村恵理子，千田二郎
自動車技術会2016年秋季大会学術講演会 ( 札幌 ) Oral Presentation(general)
2016.10【Proceedings】 2016 JSAE Annual Congress (Fall) Proceedings 2016.10
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Reduction of Reaction Mechanism for n-Tridecane Based on Knowledge of Detailed Reaction Paths
Kazunari Kuwahara, Tadashi Matsuo, Yasuyuki Sakai, Yoshimitsu Kobashi, Tsukasa Hori, Eriko Matsumura, Jiro Senda
International conference SAE 2016 International Powertrains, Fuels & Lubricants Meeting ( 米国モルチモア ) Oral Presentation(general)
2016.10【Proceedings】 SAE Paer, No. 2016-01-2238
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ディーゼル噴霧火炎における壁面熱損失に関する研究（第1報） －噴射圧力が熱流束に及ぼす影響－
巽健，前田篤志，宮田哲次，小橋好充，桑原一成，松村恵理子，千田二郎
自動車技術会2016年春季大会学術講演会 ( 横浜 ) Oral Presentation(general)
2016.05【Proceedings】 2016 JSAE Annual Congress (Spring) Proceedings 2016.05
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Reduction of Reaction Mechanism for n-Tridecane Based on Knowledge of Detailed Reaction Paths
Kazunarai Kuwahara, Tadashi Matsuo, Yasuyuki Sakai, Yoshimitsu Kobashi, Tsukasa Hori, Eriko Matsumura, Jiro Senda
Internal meeting 2016 JSAE Annual Congress (Spring) ( Yokohama, Japan ) Oral Presentation(general)
2016.05【Proceedings】 2016 JSAE Annual Congress (Spring) Proceedings 749 - 754 2016.05
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Factors Determining Antiknocking Properties of Gaseous Fuels in Spark-Ignition Gas Engines
Hiroki Tanaka, Kazunobu Kobayashi, Takahiro Sako, Kazunari Kuwahara, Hiroshi Kawanabe, Takuji Ishiyama
International conference ASME 2015 Internal Combustion Engine Division Fall Technical Conference ( 米国ヒューストン ) Oral Presentation(general)
2015.11【Proceedings】 No. ICEF2015-1079 2015.11
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各種ガス燃料のノック特性とそれらがメタンベース燃料の耐ノック性におよぼす影響
田中大樹，小林和伸，佐古孝弘，桑原一成，川那辺洋，石山拓二
2015年秋季大会 ( 北九州 ) Oral Presentation(general)
2015.10【Proceedings】 2015.10
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Artificial Control of Diesel Spray and Flame Feature by using Dual-component Fuel
Satoshi Miyata, Yu Kuwahara, Yoshimitsu Kobashi, Kazunari Kuwahara, Eriko Matsumura, Jiro Senda
International conference 2015 JSAE/SAE International Powertrains, Fuels & Lubricants Meeting ( 京都 ) Oral Presentation(general)
2015.09【Proceedings】 SAE Paper, No. 2015-01-1916 2015.08
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Heat Release Rate and Cylinder Gas Pressure Oscillation in Low and High Speed Knock
Hiromitsu Ando, Atsushi Nishiyama, Yoshihito Wachi, Kazunari Kuwahara, Yasuyuki Sakai, Takashi Ohta
International conference 2015 JSAE/SAE International Powertrains, Fuels & Lubricants Meeting ( 京都 ) Oral Presentation(general)
2015.09【Proceedings】 SAE Paper, No. 2015-01-1880 2015.08
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Chemical Kinetics Based Equations for Ignition Delay Times of Primary Reference Fuels Dependent on Fuel, O2 and Third Body Concentrations and Heat Capacity
Masaki Nakatani, Kazunari Kuwahara, Takuya Tada, Yasuyuki Sakai, Hiromitsu Ando
International conference 2015 JSAE/SAE International Powertrains, Fuels & Lubricants Meeting ( 京都 ) Oral Presentation(general)
2015.09【Proceedings】 SAE Paper, No. 2015-01-1810 2015.08
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二成分混合燃料を用いたディーゼル噴霧火炎の人為的制御（第3報）－燃料温度による影響－
宮田哲次，巽健，桑原悠，小橋好充，桑原一成，松村恵理子，千田二郎
2015年春季大会 ( 横浜 ) Oral Presentation(general)
2015.05【Proceedings】 1406 - 1411
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Ignition Characteristics of Ethane and Its Roles in Natural Gas for HCCI Engine Operation
Hiroki Tanaka, Kazunobu Kobayashi, Takahiro Sako, Yasuyuki Sakai, Masahiro Furutani, Kazunari Kuwahara
International conference SAE 2015 World Congress ( 米国デトロイト ) Oral Presentation(general)
2015.04【Proceedings】 SAE Paper, No. 2015-01-0811
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Reaction Zone Propagation by Spark Discharge in Homogeneous Lean Charge after Low-Temperature Oxidation
Kazunari Kuwahara, Masahiro Furutani, Yasuhiko Ohta, Hiromitsu Ando
International conference SAE 2015 World Congress ( 米国デトロイト ) Oral Presentation(general)
2015.04【Proceedings】 SAE Paper, No. 2015-01-0820
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二成分混合燃料を用いたディーゼル噴霧火炎の人為的制御（第2報，雰囲気温度および雰囲気酸素濃度による影響）
宮田哲次，向山智之，桑原悠，小橋好充，桑原一成，松村恵理子，千田二郎
第25回内燃機関シンポジウム ( つくば ) Oral Presentation(general)
2014.11【Proceedings】 114 - 119 2014.11
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化学反応速度論にもとづくオクタン価リファレンス燃料の着火遅れ式（第2報）
中谷匡希，桑原一成，多田卓矢，古谷正広，小橋好充，酒井康行，松村恵理子，千田二郎
2014年秋季大会 ( 仙台 ) Oral Presentation(general)
2014.10【Proceedings】 15 - 20 2014.10
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着火ロバスト性を考慮した圧縮着火機関の燃料設計（第3報）
田中 大樹，小林 和伸，佐古 孝弘，酒井 康行，桑原 一成
2014年秋季大会 ( 仙台 ) Oral Presentation(general)
2014.10【Proceedings】 21 - 26 2014.10
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燃料設計手法に基づく二成分混合燃料の着火特性および火炎形状に関する研究
宮田哲次，向山智之，桑原悠，味岡将士，小橋充好，桑原一成，松村恵理子，千田二郎
2014年春季大会 ( 横浜 ) Oral Presentation(general)
2014.05【Proceedings】 25 - 28 2014.05
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化学反応動力学にもとづくオクタン価リファレンス燃料の着火遅れ式（第1報）
桑原一成，多田卓矢，古谷正広，大嶋元啓，小橋好充，酒井康行，安東弘光，松村恵理子，千田二郎
2014年春季大会 ( 横浜 ) Oral Presentation(general)
2014.05【Proceedings】 1 - 6 2014.05
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Chemical Kinetics Study on Small-Alkane Ignition Process to Design Optimum Methane-Based Blend for HCCI
Kazunari Kuwahara, Takuya Tada, Hiroki Tanaka, Takahiro Sako, Masahiro Furutani, Yasuyuki Sakai, Hiromitsu Ando
International conference SAE 2014 World Congress ( 米国デトロイト ) Oral Presentation(general)
2014.04【Proceedings】 SAE Paper, No. 2014-01-1281 2014.04
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Fuel Design Concept for Robust Ignition in HCCI Engine and Its Application to Optimize Methane-Based Blend
Hiroki Tanaka, Shunsuke Somezawa, Takahiro Sako, Yasuyuki Sakai, Hiromitsu Ando, Kazunari Kuwahara
International conference SAE 2014 World Congress ( 米国デトロイト ) Oral Presentation(general)
2014.04【Proceedings】 SAE Paper, No. 2014-01-1286 2014.04
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天然ガス各成分の着火特性に関する化学反応論的解析
桑原一成，多田卓矢，田中大樹，佐古孝弘，酒井康行，古谷正広
第51回燃焼シンポジウム ( 大田区産業プラザPiO ) Oral Presentation(general)
2013.12【Proceedings】 Proceedings of the Fifty-First Symposium (Japanese) on Combustion 134 - 135 2013.12
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ジエチル平坦バーナー低温度炎で発生する多環芳香族生成挙動に飽和脂肪酸炭化水素添加が及ぼす影響
栄嶋昌輝，古谷正広，桑原一成，酒井康行
第51回燃焼シンポジウム ( 大田区産業プラザPio, 東京 ) Oral Presentation(general)
2013.12【Proceedings】 Proceedings of the Fifty-First Symposium (Japan) on Combustion 324 - 325 2013.12
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種々の二成分混合燃料を用いたディーゼル燃焼における着火および火炎構造に関する研究
味岡将士，小橋好充，桑原一成，松村恵理子，千田二郎
第24回内燃機関シンポジウム ( 神戸大学，神戸 ) Oral Presentation(general)
2013.11【Proceedings】 The 24th Symposium of Internal Combustion Engine, Japan 2013.11
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アルカンの低温酸化反応を阻害する4つのバイパスの寄与
浅野悠介，安東弘光，酒井康行，Khoo PeiLoon，桑原一成
自動車技術会2013年秋季大会学術講演会 ( 名古屋国際会議場，名古屋 ) Oral Presentation(general)
2013.10【Proceedings】 2013 JSAE Annual Congress (Fall), No.158-13 1 - 6 2013.10
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アルカンのオクタン価を決定する要因
安東弘光，酒井康行，浅野悠介，坂出直紀，桑原一成
自動車技術会2013年秋季大会学術講演会 ( 名古屋国際会議場，名古屋 ) Oral Presentation(general)
2013.10【Proceedings】 JSAE 2013 Annual Congress (Fall), No.158-13 7 - 12 2013.10
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着火ロバスト性を考慮した圧縮着火機関の燃料設計
田中大樹，染澤俊介，佐古孝弘，酒井康行，安東弘光，多田卓矢，桑原一成
自動車技術会2013年春季大会学術講演会 ( パシフィコ横浜，横浜 ) Oral Presentation(general)
2013.05【Proceedings】 2013 JSAE Annual Congress (Spring), No.87-13 15 - 20 2013.05
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強力着火システムを用いた高EGR率下の燃焼とマイクロ波プラズマによる燃焼支援
芹澤毅，内田克己，西山敦，和智良裕，池田裕二，安東弘光，桑原一成
自動車技術会2013年学術講演会 ( パシフィコ横浜，横浜 ) Oral Presentation(general)
2013.05【Proceedings】 2013 JSAE Annual Congress (Spring), No.1-13 21 - 26 2013.05
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Chemical Kinetics Study of Two-Stage Main Heat Release in Ignition Process of Highly-Diluted Mixtures
K.Kuwahara, T.Tada, M.Furutani, Y.Sakai, H.Ando
International conference SAE 2013 World Congress ( Cobo Center, Detroit, USA ) Oral Presentation(general)
2013.04【Proceedings】 SAE Paper, No.2013-01-1657 2013.04