Research Summary
Dr. O'Connor focuses on issues of reacting flows for energy and propulsion applications. High-speed laser diagnostics and other state-of-the-art experimental techniques are used in research areas such as combustion, alternative fuels, hydrodynamic instability, and thermoacoustics.
In the News
Research Keywords
These keywords and phrases come from the publications and other research output of this person. See other researchers related to these topics by clicking on any keyword.
Projects
Recent Publications
Board 376: REU Site: Lowering the Carbon Footprint through Research in Propulsion and Power Generation
Berdanier, C. G. P., O'Connor, J. A. & Thole, K. A., Jun 23 2024, In: ASEE Annual Conference and Exposition, Conference Proceedings.Research output: Contribution to journal › Conference article › peer-review
Effect of Inert Species on the Static and Dynamic Stability of a Piloted, Swirl-Stabilized Flame
Camacho, J. R., Akiki, M., Blust, J. & O'Connor, J., Jun 1 2024, In: Journal of Engineering for Gas Turbines and Power. 146, 6, 061021.Research output: Contribution to journal › Article › peer-review
Role of volatile secondary char on the combustion behavior of cellulose-based hydrochars
Motiei, P., Pecchi, M., Adair, J. L., Goldfarb, J. L. & O'Connor, J., Nov 2024, In: Combustion and Flame. 269, 113703.Research output: Contribution to journal › Article › peer-review
Developing Research Identity: Experiences and Influences Leading to Undergraduate Students' Growth as Researchers
Splendido, S., Berdanier, C. G. P., Thole, K. A. & O'Connor, J. A., Jun 23 2024, In: ASEE Annual Conference and Exposition, Conference Proceedings.Research output: Contribution to journal › Conference article › peer-review
Impact of turbulence on flame brush development of acoustically excited rod-stabilized flames
Karmarkar, A. & O'Connor, J., Jan 2023, In: Proceedings of the Combustion Institute. 39, 2, p. 2139-2148 10 p.Research output: Contribution to journal › Article › peer-review
Interaction between coherent and turbulent oscillations in non-reacting and reacting wake flows
Karmarkar, A. & O'Connor, J., May 16 2023, In: Journal of Fluid Mechanics. 963, A13.Research output: Contribution to journal › Article › peer-review
Pairing combustion experiments and thermogravimetric analysis to uncover timescales controlling cellulose ignition and burnout in a Hencken burner
Motiei, P., Pecchi, M., Adair, J. L., Goldfarb, J. L. & O'Connor, J., Dec 2023, In: Combustion and Flame. 258, 113092.Research output: Contribution to journal › Article › peer-review
Understanding the role of flow dynamics in thermoacoustic combustion instability
O'Connor, J., Jan 2023, In: Proceedings of the Combustion Institute. 39, 4, p. 4583-4610 28 p.Research output: Contribution to journal › Article › peer-review
Data-driven Detection and Early Prediction of Thermoacoustic Instability in a Multi-nozzle Combustor
Bhattacharya, C., O’Connor, J. & Ray, A., 2022, In: Combustion science and technology. 194, 7, p. 1481-1512 32 p.Research output: Contribution to journal › Article › peer-review
Linear control of thermoacoustic oscillations with flame dynamics modeled by a level-set method
Chen, X., Hemchandra, S., Fathy, H. & O'Connor, J., Mar 2022, In: Combustion and Flame. 237, 111686.Research output: Contribution to journal › Article › peer-review
Optimizing Thermoacoustic Characterization Experiments for Identifiability Improves Both Parameter Estimation Accuracy and Closed-Loop Controller Robustness Guarantees
Chen, X., O’Connor, J. & Fathy, H., 2022, In: Combustion science and technology. 194, 11, p. 2186-2211 26 p.Research output: Contribution to journal › Article › peer-review
Reflecting while doing: Integrating active learning and metacognitive activities in a fully online thermodynamics course
Gregg, A. & O'connor, J., Aug 23 2022, In: ASEE Annual Conference and Exposition, Conference Proceedings.Research output: Contribution to journal › Conference article › peer-review
Impact of precessing vortex core dynamics on the thermoacoustic instabilities in a swirl-stabilized combustor
Karmarkar, A., Gupta, S., Boxx, I., Hemchandra, S. & O'Connor, J., Sep 10 2022, In: Journal of Fluid Mechanics. 946, A36.Research output: Contribution to journal › Article › peer-review
Relative Effects of Velocity- And Mixture-Coupling in a Thermoacoustically Unstable, Partially Premixed Flame
Karmarkar, A., Boxx, I. & O'Connor, J., Jan 1 2022, In: Journal of Engineering for Gas Turbines and Power. 144, 1, p. 1ENG 011003.Research output: Contribution to journal › Article › peer-review
Describing the Mechanism of Instability Suppression Using a Central Pilot Flame With Coupled Experiments and Simulations
Li, J., Kwon, H., Seksinsky, D., Doleiden, D., O’Connor, J., Xuan, Y., Akiki, M. & Blust, J., Jul 2022, In: Journal of Engineering for Gas Turbines and Power. 144, 1, 011015.Research output: Contribution to journal › Article › peer-review