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Yoshihito Yasukawa
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Journal Articles

Simulation of Coarse Droplet and Liquid Column Formed around Nozzle Outlets Due to Valve Wobble of a Gasoline Direct Injection Injector

Eiji Ishii, Yoshihito Yasukawa, Kazuki Yoshimura, Kiyotaka Ogura
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2018, 140(10): 102801.
Paper No: GTP-18-1076
https://doi.org/10.1115/1.4039808
Published Online: June 18, 2018
View Article titled, Simulation of Coarse Droplet and Liquid Column Formed around Nozzle Outlets Due to Valve Wobble of a Gasoline Direct Injection Injector
Open the PDF for Simulation of Coarse Droplet and Liquid Column Formed around Nozzle Outlets Due to Valve Wobble of a Gasoline Direct Injection Injector in another window
Topics: Drops, Fuels, Nozzles, Simulation, Sprays, Valves, Ejectors, Gasoline, Particulate matter, Fuel injectors
Proceedings Papers

Simulation of Coarse Droplet and Liquid Column Formed Around Nozzle Outlets due to Valve Wobble of a GDI Injector

Eiji Ishii, Yoshihito Yasukawa, Kazuki Yoshimura, Kiyotaka Ogura
Proc. ASME. ICEF2017, Volume 1: Large Bore Engines; Fuels; Advanced Combustion, V001T02A001, October 15–18, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2017-3509
https://doi.org/10.1115/ICEF2017-3509
View Paper titled, Simulation of Coarse Droplet and Liquid Column Formed Around Nozzle Outlets due to Valve Wobble of a GDI Injector
Open the PDF for Simulation of Coarse Droplet and Liquid Column Formed Around Nozzle Outlets due to Valve Wobble of a GDI Injector in another window
Topics: Drops, Ejectors, Nozzles, Simulation, Valves, Fuels, Sprays, Wetting, Density, Engines
Proceedings Papers

Fuel-Spray Simulation With Valve Motion Perpendicular to Closing Direction

Eiji Ishii, Yoshihito Yasukawa, Kazuki Yoshimura, Kiyotaka Ogura
Proc. ASME. FEDSM2017, Volume 1A, Symposia: Keynotes; Advances in Numerical Modeling for Turbomachinery Flow Optimization; Fluid Machinery; Industrial and Environmental Applications of Fluid Mechanics; Pumping Machinery, V01AT04A002, July 30–August 3, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2017-69072
https://doi.org/10.1115/FEDSM2017-69072
View Paper titled, Fuel-Spray Simulation With Valve Motion Perpendicular to Closing Direction
Open the PDF for Fuel-Spray Simulation With Valve Motion Perpendicular to Closing Direction in another window
Topics: Fuels, Simulation, Sprays, Valves, Jets, Nozzles, Particulate matter, Fuel injectors, Air pollution, Automotive engines
Journal Articles

Effects of Opening and Closing Fuel-Injector Valve on Air/Fuel Mixture

Eiji Ishii, Kazuki Yoshimura, Yoshihito Yasukawa, Hideharu Ehara
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2017, 139(9): 092804.
Paper No: GTP-16-1580
https://doi.org/10.1115/1.4036285
Published Online: April 19, 2017
View Article titled, Effects of Opening and Closing Fuel-Injector Valve on Air/Fuel Mixture
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Topics: Fuels, Simulation, Valves, Fuel injectors, Particulate matter, Nozzles, Sprays, Flow (Dynamics), Flow simulation
Proceedings Papers

Effects of Opening and Closing Fuel-Injector Valve on Air/Fuel Mixture

Eiji Ishii, Kazuki Yoshimura, Yoshihito Yasukawa, Hideharu Ehara
Proc. ASME. ICEF2016, ASME 2016 Internal Combustion Engine Division Fall Technical Conference, V001T06A003, October 9–12, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2016-9309
https://doi.org/10.1115/ICEF2016-9309
View Paper titled, Effects of Opening and Closing Fuel-Injector Valve on Air/Fuel Mixture
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Topics: Fuel injectors, Fuels, Valves, Simulation, Drops, Nozzles, Flow (Dynamics), Sprays, Automotive engines, Emissions
Journal Articles

Late-Fuel Simulation Near Nozzle Outlet of Fuel Injector During Closing Valve

Eiji Ishii, Kazuki Yoshimura, Yoshihito Yasukawa, Hideharu Ehara
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2016, 138(10): 102801.
Paper No: GTP-16-1026
https://doi.org/10.1115/1.4032885
Published Online: April 12, 2016
View Article titled, Late-Fuel Simulation Near Nozzle Outlet of Fuel Injector During Closing Valve
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Topics: Fuel injectors, Fuels, Nozzles, Particulate matter, Simulation, Valves, Flow (Dynamics), Surface tension, Drops
Proceedings Papers

Late-Fuel Simulation Near Nozzle Outlet of Fuel Injector During Closing Valve

Eiji Ishii, Kazuki Yoshimura, Yoshihito Yasukawa, Hideharu Ehara
Proc. ASME. ICEF2015, Volume 2: Emissions Control Systems; Instrumentation, Controls, and Hybrids; Numerical Simulation; Engine Design and Mechanical Development, V002T06A004, November 8–11, 2015
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2015-1008
https://doi.org/10.1115/ICEF2015-1008
View Paper titled, Late-Fuel Simulation Near Nozzle Outlet of Fuel Injector During Closing Valve
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Topics: Fuel injectors, Fuels, Nozzles, Simulation, Valves, Flow (Dynamics), Drops, Particulate matter, Surface tension
Proceedings Papers

Advanced Numerical Approach to Simulate GDI Sprays Under Engine-Like Conditions

Eiji Ishii, Motoyuki Abe, Hideharu Ehara, Yoshihito Yasukawa
Proc. ASME. ICEF2014, Volume 2: Instrumentation, Controls, and Hybrids; Numerical Simulation; Engine Design and Mechanical Development; Keynote Papers, V002T06A005, October 19–22, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2014-5544
https://doi.org/10.1115/ICEF2014-5544
View Paper titled, Advanced Numerical Approach to Simulate GDI Sprays Under Engine-Like Conditions
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Topics: Engines, Sprays, Fuels, Nozzles, Simulation, Flow (Dynamics), Fuel injectors, Gasoline, Combustion chambers, Computer simulation
Journal Articles

Quick Response Fuel Injector for Direct-Injection Gasoline Engines

Motoyuki Abe, Noriyuki Maekawa, Yoshihito Yasukawa, Tohru Ishikawa, Yasuo Namaizawa, Hideharu Ehara
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Internal Combustion Engines
J. Eng. Gas Turbines Power. June 2012, 134(6): 062803.
https://doi.org/10.1115/1.4005995
Published Online: April 12, 2012
View Article titled, Quick Response Fuel Injector for Direct-Injection Gasoline Engines
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Topics: Circuits, Delays, Ejectors, Fuel injectors, Fuels, Gasoline engines, Needle valves, Valves, Magnetic fields, Design
Proceedings Papers

Quick Response Fuel Injector for Direct-Injection Gasoline Engines

Motoyuki Abe, Noriyuki Maekawa, Yoshihito Yasukawa, Tohru Ishikawa, Yasuo Namaizawa, Hideharu Ehara
Proc. ASME. ICEF2011, ASME 2011 Internal Combustion Engine Division Fall Technical Conference, 749-754, October 2–5, 2011
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2011-60032
https://doi.org/10.1115/ICEF2011-60032
View Paper titled, Quick Response Fuel Injector for Direct-Injection Gasoline Engines
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Topics: Fuel injectors, Gasoline engines, Delays, Valves, Actuators, Ejectors, Emissions, Fuel consumption, Kinematics, Circuits
Proceedings Papers

A Fuel-Spray Simulation Considering Fuel-Jet Breakup Near Fuel Injector and Composition of Air/Fuel Mixture

Eiji Ishii, Yoshihito Yasukawa, Yoshihiro Sukegawa, Hiroshi Yamada
Proc. ASME. IMECE2009, Volume 9: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B and C, 1819-1825, November 13–19, 2009
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2009-12380
https://doi.org/10.1115/IMECE2009-12380
View Paper titled, A Fuel-Spray Simulation Considering Fuel-Jet Breakup Near Fuel Injector and Composition of Air/Fuel Mixture
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Topics: Fuel injectors, Fuels, Simulation, Sprays, Liquid films, Ejectors, Automotive engines, Drops, Collisions (Physics), Particulate matter
Proceedings Papers

Fine Atomization and Low Penetration Fuel Spray by Using a Multi-Swirl Nozzle for Automobile Engines

Yoshihito Yasukawa, Yoshio Okamoto
Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 1917-1924, July 30–August 2, 2007
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2007-37013
https://doi.org/10.1115/FEDSM2007-37013
View Paper titled, Fine Atomization and Low Penetration Fuel Spray by Using a Multi-Swirl Nozzle for Automobile Engines
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Topics: Automotive engines, Fuels, Nozzles, Sprays, Liquid films, Emissions, Drops, Exhaust systems, Flow (Dynamics), Fuel efficiency