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Computational modeling of ammonia/hydrogen combustion stability

Project

Project Details

Program
Mechanical Engineering
Field of Study
Mechanical Engineering
Division
Physical Sciences and Engineering
Faculty Lab Link
https://ccrc.kaust.edu.sa/about/people/faculty
Center Affiliation
Clean Combustion Research Center

Project Description

High fidelity simulations using OpenFOAM are conducted to study flame stability characteristics of turbulent burner with ammonia/hydrogen blend fuels. The student will be trained to use the in-house code module based on OpenFOAM and set up the specific burner geometry and boundary conditions to conduct a number of parametric simulations. The results will be analyzed to investigate the acoustic instability characteristics as a function of ammonia/hydrogen blend ratio.

About the Researcher

Hong Im
Professor, Mechanical Engineering
Physical Science and Engineering Division

Affiliations

Education Profile

  • Ph.D., Mechanical and Aerospace Engineering, Princeton University, 1994
  • M.S., Mechanical Engineering, Seoul National University, 1988
  • B.S., Mechanical Engineering, Seoul National University, 1986

Research Interests

a€‹Professor Ima's research interests are primarily fundamental and practical aspects of combustion and power generation devices using high-fidelity computational modeling. Recent research topics combustion characteristics of high hydrogen content fuels, advanced modeling of sooting flames, modeling of mixed-mode combustion in modern engines, dynamics of turbulent premixed flame propagation, turbulent flame stabilization, spray- and particle-laden flows and combustion, plasma and electric field effects on flamesA and combustion of low-grade fuels.

Selected Publications

  • Galassi, R.M., Ciottoli, P.P., Sarathy, S.M., Im, H.G., Paolucci, S., Valorani, M., 2018, ""Automated Chemical Kinetic Mechanism Simplification with Minimal User Expertise,"" Combustion and Flame, 197, 439-338.
  • Hernandez Perez, F.E., Mukhadiyev, N., Xu, X., Sow, A., Lee, B.J., Sankaran, R., Im, H.G., 2018, ""Direct Numerical Simulations of Reacting Flows with Detailed Chemistry Using Many-core/GPU Acceleration,"" Computers & Fluids, 173, 73-79.
  • An, Y., Jaasim, M., Raman, V., Hernandez Perez, F.E., Im, H.G., Johansson, B., 2018, ""Homogeneous Charge Compression Ignition (HCCI) and Partially Premixed Combustion (PPC) in Compression Ignition Engine with Low Octane Gasoline,"" Energy, 158, 181-191.
  • Song, W., Tingas, E.A., Im, H.G., 2018, ""A Computational Analysis of Methanol Autoignition Enhancement by Dimethyl Ether Addition in a Counterflow Mixing Layer,"" Combustion and Flame, 195, 84-98.
  • Belhi, M., Lee, B.J., Bisetti, F., Im, H.G., 2018, ""A Computational Study of the Effects of DC Electric Fields on Non-premixed Counterflow Methane-Air Flames,"" J. Physics D: Applied Physics, Special Issue on Multiscale Modeling of Nonequilibrium Plasma Discharges, 50 (49), 494005.

Desired Project Deliverables

Basic knowledge of OpenFOAM reacting flow simulations Simulation data for a range of conditions Detailed analysis to assess the stability characteristics Conference/journal publications

Recommended Student Background

Computer programming (C++, Fortran, etc.)
Chemical thermodynamics and combustion
Computational fluid dynamics
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3-6 months
Internship period
100+
Research Projects
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Cumulative GPA
310
Interns a Year