Computational investigation of rod-stabilized laminar premixed hydrogen–methane–air flames
Conference Proceeding
Hernandez Perez, F. E., Im, H. G., & Tingas, A. E. (2020)
Computational investigation of rod-stabilized laminar premixed hydrogen–methane–air flames. In AIAA Scitech 2020 Forum. https://doi.org/10.2514/6.2020-1659
A computational study of steady, rod-stabilized, inverted, lean, CH4-air and H2-CH4-air flames is conducted. For the CH4-air flames, either decreasing the inlet equivalence ra...
DNS of Lean Hydrogen Turbulent Premixed Flames at High Karlovitz Number Conditions
Conference Proceeding
Song, W., Hernandez Perez, F., Tingas, A., & Im, H. G. (2020)
DNS of Lean Hydrogen Turbulent Premixed Flames at High Karlovitz Number Conditions. In AIAA Scitech 2020 Forum. https://doi.org/10.2514/6.2020-0917
To investigate the turbulent flame speed at high Karlovitz number (Ka) conditions, high fidelity direct numerical simulations (DNS) of lean hydrogen/air premixed flames propagati...
Computational singular perturbation analysis of brain lactate metabolism
Journal Article
Patsatzis, D. G., Tingas, E., Goussis, D. A., & Sarathy, S. M. (2019)
Computational singular perturbation analysis of brain lactate metabolism. PLOS ONE, 14(12), https://doi.org/10.1371/journal.pone.0226094
Lactate in the brain is considered an important fuel and signalling molecule for neuronal activity, especially during neuronal activation. Whether lactate is shuttled from ast...
Direct Numerical Simulation of Turbulent Hydrogen-Air Premixed Flames at Preheated and Diluted Donditions
Presentation / Conference
Song, W., Hernandez Perez, F. E., Tingas, S., & Im, H. (2019, November)
Direct Numerical Simulation of Turbulent Hydrogen-Air Premixed Flames at Preheated and Diluted Donditions. Paper presented at 72nd Annual Meeting of the APS Division of Fluid Dynamics, Seattle, Washington, USA
Moderate or intense low-oxygen dilution (MILD) combustion is a promising concept to achieve high-performance and low-emission combustion simultaneously. In this study, we inve...
Algorithmic Analysis of Chemical Dynamics of the Autoignition of NH3–H2O2/Air Mixtures
Journal Article
Khalil, A. T., Manias, D. M., Tingas, E., Kyritsis, D. C., & Goussis, D. A. (2019)
Algorithmic Analysis of Chemical Dynamics of the Autoignition of NH3–H2O2/Air Mixtures. Energies, 12(23), https://doi.org/10.3390/en12234422
The dynamics of a homogeneous adiabatic autoignition of an ammonia/air mixture at constant volume was studied, using the algorithmic tools of Computational Singular Perturbati...
Chemical Ignition Characteristics of Ethanol Blending with Primary Reference Fuels
Journal Article
Singh, E., Tingas, E., Goussis, D., Im, H. G., & Sarathy, S. M. (2019)
Chemical Ignition Characteristics of Ethanol Blending with Primary Reference Fuels. Energy and Fuels, 33(10), 10185-10196. https://doi.org/10.1021/acs.energyfuels.9b01423
Synergistic octane blending behavior of ethanol with gasoline and its surrogates has been observed by many researchers. The nonlinear octane boosting tendency is observed at m...
Heat Capacity Effect on Ethanol Preignition in a Shock Tube
Presentation / Conference
Bau Luong, M., Figueroa-Labastida, M., Tingas, S., Sow, A., Hernández Pérez, F. E., Badra, J., …Im, H. G. (2019, July)
Heat Capacity Effect on Ethanol Preignition in a Shock Tube. Paper presented at 27th International Colloquium on the Dynamics of Explosions and Reactive Systems (ICDERS), Beijing, China
Topological and chemical characteristics of turbulent flames at MILD conditions
Journal Article
Manias, D. M., Tingas, E., Minamoto, Y., & Im, H. G. (2019)
Topological and chemical characteristics of turbulent flames at MILD conditions. Combustion and Flame, 208, 86-98. https://doi.org/10.1016/j.combustflame.2019.06.031
Dominant physical processes that characterize the combustion of a lean methane/air mixture, diluted with exhaust gas recirculation (EGR), under turbulent MILD premixed conditi...
Screening Chemical Kinetic Models: Collision Limit Violations and Ultra-Fast Time Scales
Presentation / Conference
Yalamanchi, K. K., Tingas, S., Im, H. G., & Sarathy, S. M. (2019, July)
Screening Chemical Kinetic Models: Collision Limit Violations and Ultra-Fast Time Scales. Paper presented at 12th Asia-Pacific Conference on Combustion (ASPACC), Fukuoka, Japan
Detailed chemical kinetic models are widely used in combustion research and many new mechanisms for different fuels and reacting conditions are developed and published each ye...
Chemical Dynamics of the Ignition of NH3-H2O2 mixtures
Presentation / Conference
Khalil, A. T., Tingas, S., Kyritsis, D. C., & Goussis, D. A. (2019, June)
Chemical Dynamics of the Ignition of NH3-H2O2 mixtures. Paper presented at 3rd International Conference of Chemical Engineering, Santander, Spain
Khalil, A. T., Tingas, S., Kyritsis, D. C., & Goussis, D. A. (2019, June). Chemical Dynamics of the Ignition of NH3-H2O2 mixtures. Paper presented at 3rd International Confere...