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Hong Im

King Abdullah University of Science and Technology (KAUST)

Thuwal 23955- 6900

Thuwal, 4700

Saudi Arabia

  • King Abdullah University of Science and Technology (KAUST)

SCHOLARLY PAPERS

13

DOWNLOADS

745

TOTAL CITATIONS

2

Scholarly Papers (13)

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1.

Analysis of Nozzle Geometries for Hydrogen Direct Injection Internal Combustion Engine

Number of pages: 12 Posted: 08 Jan 2025
Kevin Moreno-Cabezas, Moez Ben Houidi, Abdullah Zaihi, William Roberts and Hong Im
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, KAUST and King Abdullah University of Science and Technology (KAUST)
Downloads 225 (340,701)

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Hydrogen, Internal Combustion Engine, Injector Design, CFD Simulation, Combustion

2.

Computational Study of Hydrogen Engine Combustion Strategies: Dual-Fuel Compression Ignition with Port- and Direct-Injection, Pre-Chamber Combustion, and Spark-Ignition

Number of pages: 42 Posted: 13 Apr 2023
Xinlei Liu, Hammam Aljabri, Niraj Panthi, Abdullah AlRamadan, Emre Cenker, Abdullah T. Alshammari, Gaetano Magnotti and Hong Im
affiliation not provided to SSRN, affiliation not provided to SSRN, King Abdullah University of Science and Technology (KAUST), Saudi Aramco, Saudi Aramco, Oregon State University, King Abdullah University of Science and Technology (KAUST) and King Abdullah University of Science and Technology (KAUST)
Downloads 91 (742,061)

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Hydrogen Engine, Dual fuel, Spark Ignition, Pre-Chamber Combustion, Water Injection

3.

Lagrangian Analysis of Droplet Dynamics Using Computational Singular Perturbation

Number of pages: 29 Posted: 05 Sep 2023
Lorenzo Angelilli, Riccardo Malpica Galassi, Pietro Paolo Ciottoli, Francisco Hernandez, Mauro Valorani and Hong Im
University of Michigan at Ann Arbor, Sapienza University of Rome, Sapienza University of Rome, King Abdullah University of Science and Technology (KAUST), Sapienza University of Rome and King Abdullah University of Science and Technology (KAUST)
Downloads 66 (907,769)

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Spray, Evaporation, Tangential Stretching Rate, Fast/Slow decomposition

4.

Numerical Model of an Ultrasonically Induced Cavitation Reactor and Application to Heavy Oil Processing

Number of pages: 43 Posted: 07 Jun 2022
Paolo Guida, Gianmaria Viciconte, Elia Colleoni, Francisco Hernandez, Hong Im, William Roberts and Alberto Ceschin
King Abdullah University of Science and Technology (KAUST), King Abdullah University of Science and Technology (KAUST), King Abdullah University of Science and Technology (KAUST), King Abdullah University of Science and Technology (KAUST), King Abdullah University of Science and Technology (KAUST), KAUST and King Abdullah University of Science and Technology (KAUST)
Downloads 61 (951,658)

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Ultrasonically induced cavitation, Oxidative Desulfurization, OpenFOAM, Heavy fuel oil

5.

An explicit time-integration framework for accelerated direct numerical simulations of stiff reacting flows

Number of pages: 41 Posted: 25 Sep 2025
Alessandro Carinci, Riccardo Malpica Galassi, Mohammad Rafi Malik, Francisco Hernandez, Mauro Valorani and Hong Im
affiliation not provided to SSRN, Sapienza University of Rome, affiliation not provided to SSRN, King Abdullah University of Science and Technology (KAUST), Sapienza University of Rome and King Abdullah University of Science and Technology (KAUST)
Downloads 50 (1,086,013)
Citation 1

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Direct numerical simulation (DNS), Accelerated computing, Stiffness reduction, Computational singular perturbation, Hash mapping

6.

Assessment of Strategies to Enhance the Performance of a Glow Plug-Assisted Methanol Engine

Number of pages: 35 Posted: 15 Oct 2025
Xinlei Liu, Mohammad Raghib Shakeel, Vallinayagam Raman, Balaji Mohan, Rafael Menaca, Abdullah AlRamadan, Emre Cenker and Hong Im
affiliation not provided to SSRN, affiliation not provided to SSRN, Saudi Aramco, Saudi Aramco, affiliation not provided to SSRN, Saudi Aramco, Saudi Aramco and King Abdullah University of Science and Technology (KAUST)
Downloads 48 (1,097,529)

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E-Methanol, Marine, Green Transportation, Glow Plug, thermal efficiency

7.

Understanding the Role of Autoencoders for Stiff Dynamical Systems Using Information Theory

Number of pages: 31 Posted: 14 Mar 2025
Vijayamanikandan Vijayarangan, Harshavardhana Uranakara, Francisco Hernandez and Hong Im
affiliation not provided to SSRN, affiliation not provided to SSRN, King Abdullah University of Science and Technology (KAUST) and King Abdullah University of Science and Technology (KAUST)
Downloads 43 (1,157,785)

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Neural ODE, Autoencoders, Information bottleneck theory, Dynamical systems, Disentanglement

8.

Computational Optimization of the Performance of a Heavy-Duty Natural Gas Pre-Chamber Engine

Number of pages: 37 Posted: 08 May 2023
Xinlei Liu, Mickael Silva, Balaji Mohan, Abdullah AlRamadan, Emre Cenker and Hong Im
affiliation not provided to SSRN, affiliation not provided to SSRN, Saudi Aramco, Saudi Aramco, Saudi Aramco and King Abdullah University of Science and Technology (KAUST)
Downloads 39 (1,196,171)

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Pre-chamber combustion, Optimization, Jet flame, Spark ignition, Natural gas, Engine efficiency

9.

Computationally-Derived Submodel for Thermally-Induced Secondary Atomization

Number of pages: 18 Posted: 20 Jun 2022
Paolo Guida, Alberto Ceschin, Francisco Hernandez, Hong Im and William Roberts
King Abdullah University of Science and Technology (KAUST), King Abdullah University of Science and Technology (KAUST), King Abdullah University of Science and Technology (KAUST), King Abdullah University of Science and Technology (KAUST) and KAUST
Downloads 35 (1,249,711)
Citation 1

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Breakup, Computational Fluid Dynamics, Atomization, boiling, Multi-component, spray

10.

Mixing and Combustion Dynamics in a Heavy-Duty Hydrogen Direct-Injection Engine

Number of pages: 33 Posted: 14 Apr 2026
Rafael Menaca, Mickael Silva, Mebin Samuel Panithasan, Xinlei Liu, Abdullah Zaihi, Emre Cenker, Yasser A. Qahtani, Iltesham Syed, Yuanjiang Pei, James Turner and Hong Im
affiliation not provided to SSRN, Aramco Research Center, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Saudi Aramco, Saudi Aramco, affiliation not provided to SSRN, Aramco Americas, King Abdullah University of Science and Technology (KAUST) and King Abdullah University of Science and Technology (KAUST)
Downloads 29 (1,345,526)

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Hydrogen engine, Injector Jet-Forming Cap, LPDI Injector, Efficiency-NOx Trade-off

11.

Quantifying the potential of Saudi date palm fruit and its waste for e-methanol production using integrated process modelling, techno-economic analysis and life-cycle assessment

Number of pages: 100 Posted: 13 Apr 2026
Renston Fernandes, Mohammad Raghib Shakeel, Ducduy Nguyen, Hong Im and James Turner
CERP, King Abdullah University of Science and Technology (KAUST), affiliation not provided to SSRN, affiliation not provided to SSRN, King Abdullah University of Science and Technology (KAUST) and King Abdullah University of Science and Technology (KAUST)
Downloads 26 (1,448,301)

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Life cycle assessment, Techno-economic analysis, e-fuels, circular carbon economy, biomass valorisation.

12.

Assessment of PFI-SI, DISI, and PCC Modes in Ultra-lean Hydrogen Engines towards Clean and Efficient Combustion

Number of pages: 35 Posted: 21 Apr 2026
Xinlei Liu, Rafael Menaca, Fabio Santi Mortellaro, Alessandro Carinci, Kevin Moreno-Cabezas and Hong Im
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and King Abdullah University of Science and Technology (KAUST)
Downloads 20 (1,459,862)

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Hydrogen, Energy conversion, Thermal efficiency, Diffusive-Thermal Instability, Flame Quenching, Nitrogen Oxides

13.

Assessment of Diesel Split Injection against Hydrogen Active Pre-chamber Combustion to Enable Efficient Ammonia Engine Operation

Number of pages: 40 Posted: 04 Jun 2026
Omar Shafiq, Xinlei Liu, Rafael Menaca, Kalim Uddeen, James Turner and Hong Im
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, King Abdullah University of Science and Technology (KAUST) and King Abdullah University of Science and Technology (KAUST)
Downloads 12

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Ammonia, Thermodynamic efficiency, Lower-carbon engine, Pre-chamber, Dual fuel