Je Ir Ryu

2025

Numerical Investigations of Combustion Dynamics and Thermo-Mechanical Stress in the Ignition Assistance System for Small Aircraft Engines

Kim, S., Ryu, J. I., Kang, S. G., Motily, A. H., Numkiatsakul, P., Alonso, R., Lee, T., Kriven, W. M., Kim, K. S. & Kweon, C. B. M., 2025, In: Combustion Science and Technology. 197, 5, p. 944-975 32 p.

Research output: Contribution to journal › Article › peer-review

2024

CFD-Aided Structural Rigidity Analysis for the Ignition Assistance Device Applicable to Small Aircraft Engines

Kim, S., Mehraj, H., Lee, T., Kim, K. S., Kweon, C. B. M. & Ryu, J. I., 2024, AIAA Aviation Forum and ASCEND, 2024. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Aviation Forum and ASCEND, 2024).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Experimental and data-driven chemical kinetic modeling study of alcohol-to-jet (ATJ) synthetic biofuel for sustainable aviation fuels

Kim, K., Wiersema, P., Ir Ryu, J., Lee, W., Min, K., Mayhew, E., Temme, J., Kweon, C. B. M. & Lee, T., Jul 15 2024, In: Fuel. 368, 131630.

Research output: Contribution to journal › Article › peer-review

Numerical investigation of detonation propagation through fuel-stratified layers

Ryu, J. I., Shi, X. & Chen, J. Y., Jan 2024, In: Proceedings of the Combustion Institute. 40, 1-4, 105510.

Research output: Contribution to journal › Article › peer-review

On the use of flamelet model approach in analyzing the mixing-controlled spray flame dynamics

Kim, S. & Ryu, J. I., Mar 2024, In: Applications in Energy and Combustion Science. 17, 100234.

Research output: Contribution to journal › Article › peer-review

Open Access

Physiochemical View of Fuel Jet Impingement and Ignition Upon Contact with a Cylindrical Hot Surface

Kim, S., Lee, T., Kim, K. S., Kweon, C. B. M. & Ryu, J. I., Dec 2024, In: Combustion and Flame. 270, 113784.

Research output: Contribution to journal › Article › peer-review

2023

Effect of Heating Device Voltage on Fuel Spray Ignition and Flame Characteristics under Aviation Propulsion System Conditions

Kim, S., Ryu, J. I., Motily, A. H., Numkiatsakul, P., Alonso, R., Lee, T., Kriven, W. M., Kim, K. S. & Kweon, C. B. M., 2023, AIAA SciTech Forum and Exposition, 2023. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA SciTech Forum and Exposition, 2023).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Hydrogen and ammonia as a primary fuel – A critical review of production technologies, diesel engine applications, and challenges

Manigandan, S., Ryu, J. I., Praveen Kumar, T. R. & Elgendi, M., Nov 15 2023, In: Fuel. 352, 129100.

Research output: Contribution to journal › Article › peer-review

Modeling of Spray-Induced Wall Stress on a Hot Surface of Ignition Assistance Device

Kim, S., Torelli, R., Oruganti, S. K., Ryu, J. I., Lee, T., Kim, K. S. & Kweon, C. B. M., 2023, AIAA Aviation and Aeronautics Forum and Exposition, AIAA AVIATION Forum 2023. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Aviation and Aeronautics Forum and Exposition, AIAA AVIATION Forum 2023).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Modeling of the spray-induced wall stress acting on the ignition assistance device

Kim, S., Torelli, R., Oruganti, S. K., Ryu, J. I., Lee, T., Kim, K. S. & Kweon, C. B. M., Oct 1 2023, In: Physics of Fluids. 35, 10, 103325.

Research output: Contribution to journal › Article › peer-review

Role of hydrogen on aviation sector: A review on hydrogen storage, fuel flexibility, flame stability, and emissions reduction on gas turbines engines

Manigandan, S., Praveenkumar, T. R., Ir Ryu, J., Nath Verma, T. & Pugazhendhi, A., Nov 15 2023, In: Fuel. 352, 129064.

Research output: Contribution to journal › Article › peer-review

Transient Thermomechanical Stress Analysis of Hot Surface Ignition Device Using Sequentially Coupled Computational Fluid Dynamics-Finite Element Analysis Approach

Kang, S. G., Ryu, J. I., Motily, A. H., Numkiatsakul, P., Lee, T., Kriven, W. M., Kim, K. S. & Kweon, C. B. M., Dec 1 2023, In: Journal of Engineering for Gas Turbines and Power. 145, 12, 121001.

Research output: Contribution to journal › Article › peer-review

2022

Applying machine learning techniques to predict detonation initiation from hot spots

Ryu, J. I., Aug 2022, In: Energy and AI. 9, 100163.

Research output: Contribution to journal › Article › peer-review

Open Access

Data-Driven approaches to optimize chemical kinetic models

Kim, K., Wiersema, P., Ryu, J. I., Mayhew, E., Temme, J., Kweon, C. B. M. & Lee, T., 2022, AIAA SciTech Forum 2022. American Institute of Aeronautics and Astronautics Inc, AIAA, AIAA 2022-0225. (AIAA Science and Technology Forum and Exposition, AIAA SciTech Forum 2022).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Ignition and flame propagation in hydrogen-air layers from a geological nuclear waste repository: A preliminary study

Ryu, J. I., Woo, S. M., Lee, M. & Yoon, H. C., Jan 2022, In: Nuclear Engineering and Technology. 54, 1, p. 130-137 8 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Thermomechanical Characterization of Hot Surface Ignition Device Using Phenomenological Heat Flux Model

Kang, S. G., Ryu, J. I., Motily, A. H., Numkiatsakul, P., Lee, T., Kriven, W. M., Kim, K. S. & Kweon, C. B. M., 2022, In: Journal of Propulsion and Power. 38, 4, p. 656-670 15 p.

Research output: Contribution to journal › Article › peer-review

2021

Correction to: Data-Driven Combustion Kinetic Modeling Concept of Alternative Alcohol-to-Jet (ATJ) Fuel (American Institute of Aeronautics and Astronautics Inc, AIAA)

Kim, K., Ryu, J. I., McGann, B., Min, K., Temme, J., Kweon, C. B. & Lee, T., 2021, In: AIAA Scitech 2021 Forum. AIAA 2021-1245.c1.

Research output: Contribution to journal › Comment/debate › peer-review

Data-driven chemical kinetic reaction mechanism for F-24 jet fuel ignition

Ryu, J. I., Kim, K., Min, K., Scarcelli, R., Som, S., Kim, K. S., Temme, J. E., Kweon, C. B. M. & Lee, T., Apr 15 2021, In: Fuel. 290, 119508.

Research output: Contribution to journal › Article › peer-review

Open Access

Data-driven combustion kinetic modeling concept of alternative alcohol-to-jet (Atj) fuel

Kim, K., Ryu, J. I., McGann, B., Min, K., Temme, J., Kweon, C. B. M. & Lee, T., 2021, AIAA Scitech 2021 Forum. American Institute of Aeronautics and Astronautics Inc, AIAA, p. 1-11 11 p. (AIAA Scitech 2021 Forum; vol. 1 PartF).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Effect of hot probe temperature on ignition of alcohol-to-jet (Atj) fuel spray under aircraft propulsion system conditions

Ryu, J. I., Motily, A. H., Lee, T., Scarcelli, R., Som, S., Kim, K. S. & Kweon, C. B. M., 2021, AIAA Scitech 2021 Forum. American Institute of Aeronautics and Astronautics Inc, AIAA, p. 1-11 11 p. (AIAA Scitech 2021 Forum).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

High-pressure fuel spray ignition behavior with hot surface interaction

Motily, A. H., Ryu, J. I., Kim, K., Kim, K., Kweon, C. B. M. & Lee, T., 2021, In: Proceedings of the Combustion Institute. 38, 4, p. 6763-6772 10 p.

Research output: Contribution to journal › Conference article › peer-review

Open Access

Optimizing hot-surface-assisted ignition performance of high-pressure f-24 fuel sprays

Motily, A. H., Wood, E., Lee, T., Ryu, J. I., Kim, K. S. & Kweon, C. B. M., 2021, AIAA Scitech 2021 Forum. American Institute of Aeronautics and Astronautics Inc, AIAA, p. 1-15 15 p. (AIAA Scitech 2021 Forum).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Reconsideration of Significant Quantity (SQ) for Pu Based on the Strategic Impact Investigation of Non-Strategic Nuclear Weapon (NSNW) Using Monte-Carlo Simulations

Woo, S. M., Lee, M. & Ryu, J. I., Dec 2021, In: Journal of Nuclear Fuel Cycle and Waste Technology. 19, 4, p. 421-433 13 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Thermo-Mechanical Response of a Hot Surface Ignition Device under Aircraft Compression Ignition Engine Conditions

Kang, S. G., Ryu, J. I., Motily, A. H., Numkiatsakul, P., Lee, T., Kriven, W. M., Kim, K. S. & Kweon, C. B. M., 2021, AIAA Propulsion and Energy Forum, 2021. American Institute of Aeronautics and Astronautics Inc, AIAA, AIAA 2021-3615. (AIAA Propulsion and Energy Forum, 2021).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Transient thermo-mechanical stress analysis of hot surface probe using sequentially coupled CFD-FEA approach

Kang, S. G., Ryu, J. I., Motily, A. H., Numkiatsakul, P., Lee, T., Kriven, W. M., Kim, K. S. & Kweon, C. B. M., 2021, Proceedings of ASME 2021 Internal Combustion Engine Division Fall Technical Conference, ICEF 2021. American Society of Mechanical Engineers, V001T06A008. (Proceedings of ASME 2021 Internal Combustion Engine Division Fall Technical Conference, ICEF 2021).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2020

Effects of cetane number on high-pressure fuel spray characteristics with a hot surface ignition source

Motily, A. H., Kim, Y., Lee, T., Ryu, J. I., Kim, K. S. & Kweon, C. B. M., 2020, AIAA Scitech 2020 Forum. American Institute of Aeronautics and Astronautics Inc, AIAA, p. 1-10 10 p. (AIAA Scitech 2020 Forum; vol. 1 PartF).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Ignition enhancement of f-24 jet fuel by a hot surface for aircraft propulsion systems

Ryu, J. I., Motily, A. H., Lee, T., Scarcelli, R., Som, S., Kim, K. S. & Kweon, C. B. M., 2020, AIAA Scitech 2020 Forum. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Scitech 2020 Forum; vol. 1 PartF).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Ignition of jet fuel assisted by a hot surface at aircraft compression ignition engine conditions

Ryu, J. I., Motily, A. H., Lee, T., Scarcelli, R., Som, S., Kim, K. S. & Kweon, C. B. M., 2020, AIAA Propulsion and Energy 2020 Forum. American Institute of Aeronautics and Astronautics Inc, AIAA, p. 1-13 13 p. (AIAA Propulsion and Energy 2020 Forum).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Modes of Detonation Wave Propagation in Water Vapor Concentration Gradients

Ryu, J. I., Shi, X. & Chen, J. Y., Oct 2 2020, In: Combustion Science and Technology. 192, 10, p. 1910-1930 21 p.

Research output: Contribution to journal › Article › peer-review

Open Access

2019

H Radical Sensitivity-Assisted Automatic Chemical Kinetic Model Reduction for Laminar Flame Chemistry Retaining: A Case Study of Gasoline-DME Mixture under Engine Conditions

Chen, Y., Chen, T., Feng, Y., Ryu, J. I., Yang, H. & Chen, J. Y., Apr 18 2019, In: Energy and Fuels. 33, 4, p. 3551-3556 6 p.

Research output: Contribution to journal › Article › peer-review

2018

A new gas–solid reaction model for voloxidation process with spallation

Ryu, J. I. & Woo, S. M., Feb 2018, In: Nuclear Engineering and Technology. 50, 1, p. 145-150 6 p.

Research output: Contribution to journal › Article › peer-review

Open Access

2017

Modes of reaction front propagation and end-gas combustion of hydrogen/air mixtures in a closed chamber

Shi, X., Ryu, J. I., Chen, J. Y. & Dibble, R. W., Apr 13 2017, In: International Journal of Hydrogen Energy. 42, 15, p. 10501-10512 12 p.

Research output: Contribution to journal › Article › peer-review

Open Access

2016

Influence of water content and its gradient in unburned mixtures on the extinction of a developed detonation

Ryu, J. I., Shi, X. & Chen, J. Y., 2016, 2016 Spring Technical Meeting of the Western States Section of the Combustion Institute, WSSCI 2016. Western States Section/Combustion Institute, (2016 Spring Technical Meeting of the Western States Section of the Combustion Institute, WSSCI 2016).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Je Ir Ryu

Research output

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