Research Associate Professor
Department of Mechanical and Aerospace Engineering
Case School of Engineering
Advance optical diagnostics and thermal fluids science for aero-propulsion and low-gravity exploration researches.
Research Information
Research Interests
Combustion; Microgravity Fluid Physics; Aero/Space-Propulsion; Thermal-Fluids; Laser Diagnostics, Optical Sensors; Molecular Spectroscopy; Supercritical Water Oxidation; Extreme Environment Gas Sensing; Optical Communications
Awards and Honors
Invited to SpaceX Falcon Heavy rocket (STP-2) launch for an honor of Green Propellant Infusion Mission project contribution
2019
NASA / Ball Aerospace
NASA Exceptional Space Act Award “For the development of NOCARS technology”
2014
NASA Invention and Contribution Board, D.C.
NASA Invention of the Year Award—Honorable Mention “Frame-Transfer Gating Raman Spectroscopy for Time-Resolved Multiscalar Combustion Diagnostics,”
2013
NASA Invention and Contribution Board, D.C.
NASA Major Space Act Award “For the development of Laser Pulse Stretcher"
2012
NASA Invention and Contribution Board, D.C.
R&D100 Award “Stretched lasers prevent combustion breakdown”
2011
R&D Magazine
NASA Invention of the Year Award—Runner-Up “Temporal Laser Pulse Manipulation Using Multiple Optical Ring Cavities"
2010
NASA Invention and Contribution Board, D.C.
External Appointments
On-site contractor
NASA GRC
2001
Publications
- Kojima, J. J., Hegde, U., Gotti, D., & Hicks, M. (2020). Flame structure of supercritical ethanol/water combustion in a co-flow air stream characterized by Raman chemical analysis. JOURNAL OF SUPERCRITICAL FLUIDS, 166 ().
- Sobhani, S., Legg, J., Bartz, D., Kojima, J. J., Chang, C., Sullivan, J., ... Ihme, M. (2020). Experimental investigation of lean premixed pre-vaporized liquid-fuel combustion in porous media burners at elevated pressures up to 20 bar. COMBUSTION AND FLAME, 212 (), 123-134.
- Kojima, J. J., Fischer, D., & Chen, J. (2017). Code-Validation Scalar Measurements in High-Pressure Hydrogen-Added Methane Combustion. JOURNAL OF PROPULSION AND POWER, 33 (1), 285-302.
- Kojima, J. J., & Fischer, D. (2013). MULTISCALAR ANALYSES OF HIGH-PRESSURE SWIRL-STABILIZED COMBUSTION VIA SINGLE-SHOT DUAL-SBG RAMAN SPECTROSCOPY. COMBUSTION SCIENCE AND TECHNOLOGY, 185 (12), 1735-1761.
- Kojima, J. J., Fischer, D., & Nguyen, Q. (2010). Subframe burst gating for Raman spectroscopy in combustion. OPTICS LETTERS, 35 (9), 1323-1325.
- Hwang, S., Kojima, J. J., Nguyen, Q., & Rabinowitz, M. (2008). Measurement of collision broadening of the P-1(5) line of (0,0) band of OH A(2)Sigma(+) <- X-2 Pi transition at high temperatures. JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER, 109 (16), 2715-2724.
- Kojima, J. J., & Nguyen, Q. (2008). Observation of Turbulent Mixing in Lean-Direct-Injection Combustion at Elevated Pressure. AIAA JOURNAL, 46 (12), 3116-3127.
- Kojima, J. J., & Nguyen, Q. (2008). Single-shot rotational Raman thermometry for turbulent flames using a low-resolution bandwidth technique. MEASUREMENT SCIENCE AND TECHNOLOGY, 19 (1).
- Kojima, J. J., & Nguyen, Q. (2005). Quantitative analysis of spectral interference of spontaneous Raman scattering in high-pressure fuel-rich H2-air combustion. Journal of Quantitative Spectroscopy and Radiative Transfer, 94 (3-4), 439-466.
- Kojima, J. J., Ikeda, Y., & Nakajima, T. (2005). Basic aspects of OH(A), CH(A), and C2(d) chemiluminescence in the reaction zone of laminar methane-air premixed flames. Combustion and Flame, 140 (1-2), 34-45.
- Kojima, J. J., & Nguyen, Q. (2004). Entangled biphoton virtual-state spectroscopy of the A 2Σ +-X 2Π system of OH. Chemical Physics Letters, 396 (4-6), 323-328.
- Kojima, J. J., Ikeda, Y., & Nakajima, T. (2003). Multi-Point Time-Series Observation of Optical Emissions for Flame-Front Motion Analysis. Measurement Science and Technology, 14 (), 1714-1724.
- Kojima, J. J., & Viet, Q. (2002). Laser pulse-stretching with multiple optical ring cavities. Applied Optics, 41 (30), 6360-6370.
- Ikeda, Y., Kojima, J. J., & Hashimoto, H. (2002). Local Chemiluminescence Spectra Measurements in a High-Pressure Laminar Methane/Air Premixed flame. Proceedings of Combustion Institute, 29 (), 1495-1502.
- Ikeda, Y., Kojima, J. J., Nakajima, T., Akamatsu, F., & Katsuki, M. (2000). Measurement of the Local Flame-Front Structure of Turbulent Premixed Flames by Local Chemiluminescence. Proceedings of Combustion Institute, 28 (), 343-350.
- Kojima, J. J., Seo, Y., & Nakajima, T. (2000). Spatially Resolved Measurement of OH*, CH* and C2* Chemiluminescence in the Reaction Zone of Laminar Methane/Air Premixed Flames. Proceedings of Combustion Institute, 28 (), 1757-1764.
Education
PhD
Environmental Energy
Kobe University, Graduate School of Science and Technology
2000
Master of Arts
Laser Velocimetry
Kobe University, Department of Mechanical Engineering
1997
Bachelor of Arts
Thermal Fluids
Kobe University, Department of Mechanical Engineering
1995