CIVS blast furnace research received another AIST Best Paper Award in addition to seven other best papers from AIST and AISI in the past. The newly awarded paper, “Investigating the Use of Shaft-Level Tuyere Injection With Computational Fluid Dynamics,” was presented at AISTech 2023 and selected by the AIST Ironmaking Technology Committee for the 2024 Josef S. Kapitan Ironmaking Best Paper Award.

The authors of this paper include Samuel E. Nielson, Tyamo Okosun, Orlando Ugarte, and Chenn Q. Zhou. The paper applies Computational Fluid Dynamics (CFD) models to explore the use of shaft-level tuyeres to deliver syngas, hydrogen, or recycled top gas into the furnace to enable lower carbon intensity in the blast furnace process. The results were validated against industrial conditions and provided insight into the impacts of shaft-level reducing gas supply on gas and burden temperatures, reduction rates, and coke consumption. The first author, Samuel Nielson, is a CIVS Graduate Assistant. He graduated with a B.S. and Master’s in Mechanical Engineering from Purdue Northwest and is currently studying at Purdue West Lafayette, pursuing a Ph.D. in Mechanical Engineering under the supervision of Professor Chenn Zhou.

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