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Experimental study of carbon-free combustion

Project

Project Details

Program
Mechanical Engineering
Field of Study
​Mechanical, Aerospace, Chemical Engineering or Applied Physics
Division
Physical Sciences and Engineering
Faculty Lab Link
https://www.kaust.edu.sa/en/study/faculty/gaetano-magnotti
Center Affiliation
Clean Combustion Research Center

Project Description

A major goal of combustion research is to reduce emissions and minimize the harmful impact of energy production and transportation on the environment. Advancements in combustion sciences enabled strong reduction of NOX, SOX and particulates. The challenge for the next decade is reduction of carbon dioxide. One strategy is to completely remove carbon from the fuel, using carbon-free hydrogen carrier such as ammonia. Combustion of ammonia is not well understood, and no detailed information on the flame of ammonia-air flames is available. In this project the student will perform 1D Raman measurements of temperature and major species in ammonia flames in collaboration with a postdoc or a Ph.D. student. ​​​​​​

About the Researcher

Gaetano Magnotti
Professor, Mechanical Engineering

Affiliations

Education Profile

  • Ph.D. Mechanical and Aerospace Engineering, The George Washington University, Washington DC, USA, 2012
  • B.Sc., Aerospace Engineering, University of Naples, a€œFederico IIa€, 2004

Research Interests

Dr. Magnottia's primary research interests are advanced laser diagnostics and imaging, turbulent combustion and supersonic combustion. He is the principal investigator of the Advanced Diagnostics laboratory and he is affiliated with the Clean Combustion Research Center. Professor Magnottia's group focuses on the development of quantitative, advanced laser diagnostics for high pressure combustion and on its application to the experimental investigation of fundamental combustion phenomena relevant to the design of next-generation, cleaner, and more efficient, gas turbines and engines. A Detailed measurements in, carefully designed, turbulent jet flames provide great insight in the physics of turbulence-chemistry interaction, and much needed data for development and validation of computational fluid-mechanics models. Professor Magnotti is also interested in developing laser diagnostics for optically accessible, internal combustion engines and for the study of non-thermal equilibrium flows such as those encountered in plasma assisted combustion and in hypersonic vehicles.

Selected Publications

  • H. Tang, C. Yang, Y. Krishna, G. Wang, T. Guiberti, W. L. Roberts, G. Magnotti*, ""Scalar structure in turbulent non-premixed NH3/H2/N2 jet flames at elevated pressure using Raman spectroscopy"", Combustion and Flame, Vol. 244, 112292, October 2022.
  • Q.Tang, R. Sampath, P. Sharma, M E. Marquez, E. Cenker, G. Magnotti*, Study on the effects of narrow-throat pre-chamber geometry on the pre-chamber jet velocity using dual formaldehyde PLIF imaging, Combustion and Flame, Vol. 240, 111987, 2022.
  • H. Tang, C. Yang, G. Wang, T. Guiberti, G. Magnotti*, ""Raman spectroscopy for quantitative measurements of temperature and major species in high-pressure non-premixed NH3/H2/N2 counterflow flames"", Combustion and Flame, 237, 111840, 2021.
  • Y. Krishna, X. Luo, G. Magnotti*, ""One-dimensional interferometric Rayleigh scattering velocimetry using a virtually imaged phased array"", Optics Letters, Vol. 46, Issue 20, 5252-5255, 2021.
  • Y. Krishna, A.M. Mahuthannan, X. Luo, D.A. Lacoste, G. Magnotti*, ""High-speed filtered Rayleigh scattering thermometry in premixed flames through narrow channels"", Combustion and Flame 225, 329-339, 2021.
  • C. Yang, H. Tang, G. Magnotti*, ""Picosecond Kerr-gated Raman spectroscopy for measurements in sooty and PAH rich hydrocarbon flames"", Proceedings of the Combustion Institute, Vol. 38, pp. 1797-1804, 2021.
  • T. Guiberti, Y. Krishna, W. R. Boyette, C. Yang, W.L. Roberts, G. Magnotti, ""Single-shot imaging of major species and OH mole fractions and temperature in H2/N2 flames at elevated pressure"", Proceedings of the Combustion Institute, Vol.38, pp.1797-1804, 2021.
  • C. Yang, H. Tang, G. Magnotti*, ""High-speed 1D Raman analyzer for temperature and major species measurements in combustion environment"", Optics Letters Vol.45, issue 10, 2817-2820, 2020.
  • Y. Krishna, H. Tang, A.M. Elbaz, G. Magnotti*, ""High-speed Rayleigh-Raman measurements with subframe burst gating"", Optics Letters. 44, 4091-4094, 2019.
  • Y. Krishna, A.M. Elbaz, Y. Yue, G. Magnotti*, ""Mole fraction measurement through a transparent quarl burner using filtered Rayleigh scattering"", Applied Optics 58, Issue 20, 5575-5586. 2019.
  • F. De Domenico , T. F. Guiberti , S. Hochgreb , W. L. Roberts , G. Magnotti, ""Temperature and water measurements in flames using 1064 nm Laser-Induced Grating Spectroscopy (LIGS)"", Combustion and Flame 205, 336-344, 2019.

Desired Project Deliverables

​The student will learn the fundamental of laser spectroscopy, and will gain hands-on experience in the operation of ammonia burners, and advanced laser diagnostics. He will acquire and analyze unique experimental datasets, and advance the understanding of combustion of ammonia-air flames.  ​
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