Subham Ranjan, Ph.D.

Postdoctoral Researcher, Korea University (Jan'26-Present)

Postdoctoral Researcher (FARE), IIT Kanpur (Nov'24-Nov'25)

Ph.D. (PMRF), IIT Kanpur (Aug'19-Feb'25)

Associate Manager (R&D), Jindal Stainless Limited (Aug'17-Apr'19)

B.Tech. & M.Tech., IIT Kanpur (2012-17)

Areas of Interest: Computational Fluid Dynamics, CFD-DEM, Sustainable Ironmaking, Water Modelling, Machine Learning, Slag/Metal/Refractory Interactions, Heat and Mass Transfer

My Resume

Published Works

Journal Publication:

S. Ranjan and D. Mazumdar, "Mathematical and Experimental Investigations of Hot Metal Flow in a Blast Furnace Trough", Steel Research International, 0, e 202501006 (2026) . [DOI]
S. Ranjan, D. Mazumdar, I. N. Chakraborty, S. Sinha, and R. Sarkar, " Statistical Analysis and Prediction of Al2O3-SiC-C Based Blast Furnace Trough Refractory Wear", Ironmaking & Steelmaking, Vol. 52, Issue 10, 1408-1420 (2025). [DOI]
D. Mazumdar, R. Mishra, S. Ranjan, and K. Avatar, "Discussion on "Optimization of Multiphase Flow and Initial Solidification Behaviours in a Stainless Steel Mold by SEN Design,"" MMTB, Vol. 56, 3278-3281 (2025). [DOI]
S. Ranjan and D. Mazumdar, "Role of Gas Aspiration Through Ladle Shroud and Influence on Tundish Hydrodynamic Performances: A Physical and Mathematical Modelling Study", Steel Research International, Vol. 95, Issue 7, 2300709 (2024). [DOI]
S. Ranjan, S. Mukherjee, and D. Mazumdar, "Mathematical and Physical Modeling of Inertization and Control of Tundish Atmosphere During Continuous Casting of Steel", Transactions of Indian Institute of Metals, Vol. 76, Issue 3, 837-847 (2023). [DOI]
S Ranjan, S. Mukerjee, A. Agnihotri, and D Mazumdar, "Physical Modelling of Nitrogen Variation in Continuously Cast Blooms Resulting from Atmospheric Exposure of Steel in Tundish during Initial Stages of Teeming", ISIJ International, Vol. 62, No. 3, 609-612 (2022). [DOI]
S Ranjan, D. Mazumdar, I. N. Chakraborty, S Sinha, and R Sarkar, "Review and Analysis of Metallurgical Processes in Blast Furnace Main Trough and Trough Performances", Transactions of Indian Institute of Metals, vol. 75, Issue 3, 589-611 (2022). [DOI]

Manuscripts under preparation:

S. Ranjan and D. Mazumdar, "A New Correlation for Prediction of Solid-to-Liquid Mass Transfer in Two-Phase Gas-Liquid Flow." [Exp. submission: Feb'26]
K. Avatar, S. Ranjan, R. Mishra, and D. Mazumdar, "Numerical Modelling of Two-Phase Flow and Heat Transfer in a Stainless Steel Continuous Casting Mold." [Exp. submission: Mar'26]

Conference/ Other Publications:

D. Nama, S. Ranjan, M. Ishfaq, A. Das, and R. Sarkar, "Adapting the Flash Ironmaking Technology for Direct Reduction of Iron Ore Fines- Results from Preliminary Studies at IIT Kanpur" in STIS-V, IISc Bangalore, India, 2025, pp. 189-194.
P. K. Singh, S. Ranjan, and D. Mazumdar, "Gas-Liquid Flows in Ladle Shroud and Their Impact on Tundish Process Performance and Steel Quality" Advance High Strength Steel, ed. by T K Roy et al., Springer, 2017, pp. 149-158. [DOI]

Conference Presentation:

S. Ranjan, "Hydrodynamic Performance of a Steelmaking Tundish under Gas Aspiration in the Ladle Shroud: A Numerical Investigation" STIS-V 2025, IISc Bengaluru, Bengaluru, Dec. 9-12.
S. Ranjan, S. Mukherjee, and D. Mazumdar, "Steel Contamination And Its Prevention During Initial Teeming Stage In A Continuous Casting Tundish: A Mathematical And Physical Modeling Study" ICS 2025, Seoul, Korea, July 2-5.
S. Ranjan and D. Mazumdar, "Gas Aspiration in Ladle Shroud and Its Impact on Tundish Process Performance: A Physical and Mathematical Modeling Study" IIM-ATM 2024, GKVK, Bengaluru, Nov. 22-24.
S. Ranjan and D. Mazumdar, "A Macroscopic Model for Prediction of Refractory Wear in Blast Furnace Main Trough" AISTech 2022, Pittsburgh, USA.
S. Ranjan and D. Mazumdar, "Modelling of Metallurgical Processes in a Blast Furnace Trough", Asia Steel 2021, Gyeongju, South Korea. [RGate]
R. Singroha and S. Ranjan, "Possibility of using Biomass as an Alternative Source of Carbon in an Electric Arc Furnace" NMD-ATM 2018, Kolkata, India.

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