Search Results - "Kudo, Taku"

Laminar burning velocity and Markstein length of ammonia/air premixed flames at various pressures by Hayakawa, Akihiro, Goto, Takashi, Mimoto, Rentaro, Arakawa, Yoshiyuki, Kudo, Taku, Kobayashi, Hideaki

“…•Laminar burning velocities of ammonia/air flames at high pressures are evaluated.•Maximum value of laminar burning velocity of ammonia/air flame is about…”
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Experimental and numerical study of the laminar burning velocity of CH4–NH3–air premixed flames by Okafor, Ekenechukwu C., Naito, Yuji, Colson, Sophie, Ichikawa, Akinori, Kudo, Taku, Hayakawa, Akihiro, Kobayashi, Hideaki

“…With the renewed interest in ammonia as a carbon-neutral fuel, mixtures of ammonia and methane are also being considered as fuel. In order to develop gas…”
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Measurement of the laminar burning velocity and kinetics study of the importance of the hydrogen recovery mechanism of ammonia/hydrogen/air premixed flames by Gotama, Gabriel J., Hayakawa, Akihiro, Okafor, Ekenechukwu C., Kanoshima, Ryuhei, Hayashi, Masao, Kudo, Taku, Kobayashi, Hideaki

“…The application of ammonia (NH3) blended with hydrogen (H2) as a fuel in combustion systems is a practical approach to decarbonise the energy sector, and the…”
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Burning velocity and flame structure of CH4/NH3/air turbulent premixed flames at high pressure by Ichikawa, Akinori, Naito, Yuji, Hayakawa, Akihiro, Kudo, Taku, Kobayashi, Hideaki

“…Ammonia is one of the most promising alternative fuels. In particular, ammonia combustion for gas turbine combustors for power generation is expected. To shift…”
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Experimental investigation of stabilization and emission characteristics of ammonia/air premixed flames in a swirl combustor by Hayakawa, Akihiro, Arakawa, Yoshiyuki, Mimoto, Rentaro, Somarathne, K.D. Kunkuma A., Kudo, Taku, Kobayashi, Hideaki

“…Ammonia is a possible candidate for use as a hydrogen energy carrier as well as a carbon-free fuel. In this study, flame stability and emission characteristics…”
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Laminar burning velocity and Markstein length of ammonia/hydrogen/air premixed flames at elevated pressures by Ichikawa, Akinori, Hayakawa, Akihiro, Kitagawa, Yuichi, Kunkuma Amila Somarathne, K.D., Kudo, Taku, Kobayashi, Hideaki

“…Ammonia shows promise not only as a hydrogen-energy carrier but also as a carbon-free fuel. However, combustion intensity of ammonia must be improved to enable…”
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Effects of initial mixture temperature and pressure on laminar burning velocity and Markstein length of ammonia/air premixed laminar flames by Kanoshima, Ryuhei, Hayakawa, Akihiro, Kudo, Takahiro, Okafor, Ekenechukwu C., Colson, Sophie, Ichikawa, Akinori, Kudo, Taku, Kobayashi, Hideaki

“…•Laminar burning velocities of ammonia/air flames at high temperatures and pressures.•Temperature exponents of ammonia flames were larger than those of methane…”
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Towards the development of an efficient low-NOx ammonia combustor for a micro gas turbine by Okafor, Ekenechukwu C., Somarathne, K.D. Kunkuma A., Hayakawa, Akihiro, Kudo, Taku, Kurata, Osamu, Iki, Norihiko, Kobayashi, Hideaki

“…Recent studies have demonstrated stable generation of power from pure ammonia combustion in a micro gas turbine (MGT) with a high combustion efficiency, thus…”
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Effects of Water Vapor Dilution on the Laminar Burning Velocity and Markstein Length of Ammonia/Water Vapor/Air Premixed Laminar Flames by Hayashi, Masao, Hayakawa, Akihiro, Kudo, Taku, Kobayashi, Hideaki

“…Since the Industrial Revolution, large amounts of ammonia have been synthesized by the Haber–Bosch process and used as fertilizer and chemical materials…”
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Experimental and numerical study of product gas characteristics of ammonia/air premixed laminar flames stabilized in a stagnation flow by Hayakawa, Akihiro, Hirano, Yuta, Okafor, Ekenechukwu C., Yamashita, Hirofumi, Kudo, Taku, Kobayashi, Hideaki

“…Ammonia has widely attracted interest as a potential candidate not only as a hydrogen energy carrier but also as a carbon free fuel for internal combustion…”
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Emission characteristics of turbulent non-premixed ammonia/air and methane/air swirl flames through a rich-lean combustor under various wall thermal boundary conditions at high pressure by Somarathne, Kapuruge Don Kunkuma Amila, C. Okafor, Ekenechukwu, Hayakawa, Akihiro, Kudo, Taku, Kurata, Osamu, Iki, Norihiko, Kobayashi, Hideaki

“…This study is dedicated to understanding the combustion and emission characteristics of turbulent non-premixed ammonia (NH3)/air and methane (CH4)/air swirl…”
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Study on the effect of injection temperature and nozzle geometry on the flashing transition of liquid ammonia spray by Colson, Sophie, Yamashita, Hirofumi, Oku, Kohei, Somarathne, Kapuruge Don Kunkuma Amila, Kudo, Taku, Hayakawa, Akihiro, Kobayashi, Hideaki

“…•The transition to flashing was observed for liquid ammonia.•Existing criteria approximated flashing transition but did not catch geometry effect.•Spray angles…”
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NO formation/reduction mechanisms of ammonia/air premixed flames at various equivalence ratios and pressures by HAYAKAWA, Akihiro, GOTO, Takashi, MIMOTO, Rentaro, KUDO, Taku, KOBAYASHI, Hideaki

“…Ammonia is a carbon-free fuel and its application to internal combustion engines is expected. However, few studies on ammonia flames, especially at high…”
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Robotic search for optimal cell culture in regenerative medicine by Kanda, Genki N, Tsuzuki, Taku, Terada, Motoki, Sakai, Noriko, Motozawa, Naohiro, Masuda, Tomohiro, Nishida, Mitsuhiro, Watanabe, Chihaya T, Higashi, Tatsuki, Horiguchi, Shuhei A, Kudo, Taku, Kamei, Motohisa, Sunagawa, Genshiro A, Matsukuma, Kenji, Sakurada, Takeshi, Ozawa, Yosuke, Takahashi, Masayo, Takahashi, Koichi, Natsume, Tohru

“…Induced differentiation is one of the most experience- and skill-dependent experimental processes in regenerative medicine, and establishing optimal conditions…”
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gBoost: a mathematical programming approach to graph classification and regression by Saigo, Hiroto, Nowozin, Sebastian, Kadowaki, Tadashi, Kudo, Taku, Tsuda, Koji

“…Graph mining methods enumerate frequently appearing subgraph patterns, which can be used as features for subsequent classification or regression. However,…”
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Extinction characteristics of ammonia/air counterflow premixed flames at various pressures by Sophie COLSON, Akihiro HAYAKAWA, Taku KUDO, Hideaki KOBAYASHI

“…Ammonia has promising features as a carbon-free fuel without greenhouse gas emission. However, due to its low combustion intensity, the combustion…”
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Development of a Bridge Inspection Support Robot System Using Two-Wheeled Multicopters by Nakao, Manabu, Hasegawa, Eiji, Kudo, Taku, Sawasaki, Naoyuki

“…We developed a bridge inspection support robot system that uses a two-wheeled multicopter and 3D modeling technology. Our system is divided into three main…”
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Quantitative OH concentration measurement using OH(2,0) band bi-directional LIF method for high-pressure and high-temperature symmetrical flames by HIGUCHI, Yasuhiro, NUNOME, Yoshio, TAKADA, Satoshi, YOSHIKAWA, Ryoma, KUDO, Taku, HAYAKAWA, Akihiro, KOBAYASHI, Hideaki

“…Combustion measurements using laser diagnostics are vital for experimentally revealing both qualitative and quantitative flame characteristics. This paper…”
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Towards the development of liquid ammonia/air spray combustion in a gas turbine-like combustor at moderately high pressure by Somarathne, Kapuruge Don Kunkuma Amila, Yamashita, Hirofumi, Colson, Sophie, Oku, Kohei, Honda, Keito, Okafor, Ekenechukwu Chijioke, Hayakawa, Akihiro, Kudo, Taku, Kobayashi, Hideaki

“…•The effect of ambient pressure on the temperature characteristics of LNH3 spray was investigated.•As the ambient air pressure increases, the equilibrium…”
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Novel dilution sampling method for gas analysis with a low sampling rate by HAYAKAWA, Akihiro, HIRANO, Yuta, ICHIKAWA, Akinori, MATSUO, Keishi, KUDO, Taku, KOBAYASHI, Hideaki

“…The characterization of the product gas of flames is important not only in the design of combustors but also to provide a fundamental understanding of the…”
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