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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
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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