Below is a summary of journal papers published by the lab from July-September 2025. There was a lot of productivity around ammonia combustion, particularly papers originally presented at ASME Turbo Expo.

Enjoy the read!

Hydrogen and Ammonia Combustion

Cole, R., Avila Jimenez, C.D., Noble, D., Steele, R., Wu, D., Emerson, B. and Lieuwen, T., "Towards The Development of A Rrql System Part 1: Swirl Pattern Effect On Exhaust Emissions and Chemiluminescence Distribution For NH3-Air Premixed Swirl Flames." Journal of Engineering for Gas Turbines and Power, GTP-25-1527, https://doi.org/10.1115/1.4069796. 

Avila Jimenez, C.D., Cole, R., Noble, D., Steele, R., Wu, D., Emerson, B. and Lieuwen, T., "Towards The Development of an NH3-RRQL System Part 2: Effects of The Primary Combustion Zone Length and Secondary Stage Number of Holes on Stability and Emissions." Journal of Engineering for Gas Turbines and Power, GTP-25-1280, https://doi.org/10.1115/1.4069538. 

Emerson, B., Wu, D., Avila Jimenez, C.D., Cole, R., Park, J., Lee, S., Harper, J. and Noble, D., "Development of A Full Scale Retrofittable Ammonia Combustor for Can Annular Frame Engine Implementation." Journal of Engineering for Gas Turbines and Power, GTP-25-1510, https://doi.org/10.1115/1.4069783.

Rajagopalan, H.P., Emerson, B., Acharya, V., Noble, D. and Lieuwen, T., "Measurements of CO and NOx Emissions from Premixed Turbulent Methane/Hydrogen Flames." Journal of Engineering for Gas Turbines and Power, GTP-25-1459, https://doi.org/10.1115/1.4069625. 

Patel, S. and Emerson, B., "Effect Of Finite Mixing Timescales In Nonpremixed Rich Relaxation Lean (NRRL) Combustors." Journal of Engineering for Gas Turbines and Power, GTP-25-1318, https://doi.org/10.1115/1.4069545. 

Tang, H., Chatziandreou, E., Peng, B., Rahn, G., Sun, W. “Simultaneous NH/NO-PLIF measurements in Plasma-Assisted Ammonia and Ammonia/Hydrogen Swirling Flames”. Proceedings of the Combustion Institute, 41,105789, https://doi.org/10.1016/j.proci.2025.105789.

Aeronautical Combustors

Jain, A., Obi, I., Salazar, V., Kodali, M., Venkatesan, K., Mazumdar, Y., Steinberg, A. "Characterization of a Lean Premixed Prevaporized Combustor with Conventional and Sustainable Fuel." AIAA Journal, https://doi.org/10.2514/1.J065617. 

Optical Diagnostics

Teav, K., Jean-Ruel, H., Steinberg, A., "Performance loss and recovery of virtually imaged phased arrays with imperfect mirror parallelism." Applied Optics, 64, 7834, https://doi.org/10.1364/AO.570670. 

Jans, E., Kearney, S., Steinberg, A., Matzen, M., Brown, N., "Single-shot femtosecond laser-induced breakdown spectroscopy in low-density gases." Journal of Applied Physics, 138, 123107, https://doi.org/10.1063/5.0283646.