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Kuniyuki Kitagawa
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Journal Articles

Laser-Induced Plasma Spectrometry With Chemical Seeding and Application to Flow Mixing Analysis in Methane–Air Flames

Hirotoshi Taki, Hiroshi Asai, Kuniyuki Kitagawa, Hiroyuki Oyama, Ashwani K. Gupta
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. January 2015, 137(1): 012202.
Paper No: JERT-14-1165
https://doi.org/10.1115/1.4027980
Published Online: July 29, 2014
View Article titled, Laser-Induced Plasma Spectrometry With Chemical Seeding and Application to Flow Mixing Analysis in Methane–Air Flames
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Topics: Combustion, Emissions, Excitation, Flames, Flow (Dynamics), Lasers, Magnesium (Metal), Methane, Plasma spectroscopy, Plasmas (Ionized gases)
Journal Articles

Time-Resolved Two-Dimensional Temperature Measurement From Acetylene-Oxygen Flame Using Chemical Seeding Spectrocamera

Hiroyuki Oyama, Joe Kayahana, Shigeo Yatsu, Kuniyuki Kitagawa, Ashwani K. Gupta
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. March 2014, 136(1): 011101.
Paper No: JERT-13-1099
https://doi.org/10.1115/1.4024916
Published Online: August 19, 2013
View Article titled, Time-Resolved Two-Dimensional Temperature Measurement From Acetylene-Oxygen Flame Using Chemical Seeding Spectrocamera
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Topics: Flames, Temperature, Oxygen, Temperature distribution, Wavelength
Journal Articles

Hydroxyl and Nitric Oxide Distribution in Waste Rice Bran Biofuel-Octanol Flames

Nelfa Desmira, Kuniyuki Kitagawa, Ashwani K. Gupta
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Technical Briefs
J. Energy Resour. Technol. March 2014, 136(1): 014501.
Paper No: JERT-13-1096
https://doi.org/10.1115/1.4024860
Published Online: August 19, 2013
View Article titled, Hydroxyl and Nitric Oxide Distribution in Waste Rice Bran Biofuel-Octanol Flames
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Topics: Biofuel, Flames, Combustion, Temperature
Journal Articles

Spectroscopic Observation of Chemical Species From High-Temperature Air Pulverized Coal Combustion

Nelfa Desmira, Takuya Nagasaka, Kimihito Narukawa, Akira Ishikawa, Kuniyuki Kitagawa, Ashwani K. Gupta
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Technical Briefs
J. Energy Resour. Technol. September 2013, 135(3): 034503.
Paper No: JERT-13-1084
https://doi.org/10.1115/1.4024120
Published Online: April 30, 2013
View Article titled, Spectroscopic Observation of Chemical Species From High-Temperature Air Pulverized Coal Combustion
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Topics: Coal, Combustion, Flames, Fuels, High temperature, Emissions, Temperature, Spectroscopy
Journal Articles

Visualization of Two-Dimensional Excitation Temperatures in CH 4 /N 2 /Ar Plasmas for Preparation of Carbonaceous Materials

Qingchun Shen, Yasushi Miyata, Shigeaki Morita, Yoshinobu Baba, Kuniyuki Kitagawa, Ashwani K. Gupta
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Technical Briefs
J. Energy Resour. Technol. September 2013, 135(3): 034501.
Paper No: JERT-13-1028
https://doi.org/10.1115/1.4023744
Published Online: April 29, 2013
View Article titled, Visualization of Two-Dimensional Excitation Temperatures in CH 4 /N 2 /Ar Plasmas for Preparation of Carbonaceous Materials
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Topics: Excitation, Methane, Plasmas (Ionized gases), Temperature, Visualization, Plasma-enhanced chemical vapor deposition
Proceedings Papers

Spectroscopic Monitoring of Energy Systems (Calvin W. Rice Lecture)

Kuniyuki Kitagawa, Shigeaki Morita, Kenji Kodama, Kozo Matsumoto
Proc. ASME. POWER2009, ASME 2009 Power Conference, 45-52, July 21–23, 2009
Publisher: American Society of Mechanical Engineers
Paper No: POWER2009-81047
https://doi.org/10.1115/POWER2009-81047
View Paper titled, Spectroscopic Monitoring of Energy Systems (Calvin W. Rice Lecture)
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Topics: Energy / power systems, Combustion, Flames, Lasers, Electrolytes, Fluorescence spectroscopy, Fuel cells, Isotopes, Mass spectrometers, Monitoring systems
Journal Articles

Visualization of Steam Addition Effect on OH Distribution in a Flame by Isotope Shift/Planar Laser-Induced Fluorescence (IS/PLIF) Spectroscopy

Atsushi Katoh, Masahisa Shinoda, Kuniyuki Kitagawa, Ashwani K. Gupta
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2006, 128(1): 8–12.
https://doi.org/10.1115/1.2056528
Published Online: October 7, 2004
View Article titled, Visualization of Steam Addition Effect on OH Distribution in a Flame by Isotope Shift/Planar Laser-Induced Fluorescence (IS/PLIF) Spectroscopy
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Topics: Combustion, Flames, Fluorescence, Isotope shift, Lasers, Spectroscopy, Steam, Temperature, Water, Fuels
Journal Articles

Spectroscopic Measurements of High Emissivity Materials Using Two-Dimensional Two-Color Thermometry

Yuichiro Tago, Fumie Akimoto, Kuniyuki Kitagawa, Norio Arai, Stuart W. Churchill, Ashwani K. Gupta
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2005, 127(3): 472–477.
https://doi.org/10.1115/1.1917889
Published Online: August 10, 2004
View Article titled, Spectroscopic Measurements of High Emissivity Materials Using Two-Dimensional Two-Color Thermometry
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Topics: Emissivity, Filters, Temperature, Temperature measurement, Wavelength, Absorption, Temperature distribution, Radiative heat transfer