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Research Articles

  1. Vighnesh Prasad and Anil Dubey, "Role of critical parameters on the rheology and pipeline transportation of concentrated non-Newtonian iron ore slurry". Journal of Hydrology and Hydromechanics, 74 (2026) 1–10.

  2. Samyukta Choudhury, Trilochan Jena, Saswati Dan, Vighnesh Prasad, and Debadutta Das, "Rheological influence of sodium lignosulfonate (NaLS) on cement-fly ash slurries". Journal of Molecular Liquids, 443 (2026) 129167.

  3. Vighnesh Prasad, "Rheology of Non-Newtonian slurries and its effects on pipeline transportation for economical handling of bulk iron ore." Chemical Engineering Research and Design, 217 (2025) 304–317.

  4. Sambit Senapati, D. N. Thatoi, and Vighnesh Prasad, “Hydraulic transportation of red mud at high solids concentration: effect of rheology and sedimentation”, Indian Chemical Engineer (2025) 1-12.

  5. Vighnesh Prasad, “Removal of heavy metallic ions from the aqueous solution using raw and modified coal ash”,  Scientia Iranica, 32.9 (2025) 8304.

  6. Vighnesh Prasad, "Influence of rheology on the hydraulic conveying of red mud slurries through the pipeline for eco-friendly and safe disposal." Particulate Science and Technology, 42.7 (2024) 1073-1084.

  7. Anil Dubey, Vighnesh Prasad, P. K. Senapati, Rashmiranjan Barik & J. K. Pothal, "Scale-up prediction of the head loss of a high concentration, non-Newtonian particulate slurry", Particulate Science and Technology, 42.7 (2024) 1115-1128.

  8. Vighnesh Prasad, Prachi Thareja, and Surya Pratap Mehrotra, "Influence of Rheology on the Flow Characteristics of Bauxite Slurries During Hydraulic Conveying Through the Pipeline", Transactions of the Indian Institute of Metals, (2023): 1-8.

  9. Vighnesh Prasad, Surya Pratap Mehrotra, and Prachi Thareja, "Rheological characteristics of concentrated Indian coal ash slurries and flow through pipelines", Construction and Building Materials, 361 (2022): 129624.

  10. Vighnesh Prasad, Prachi Thareja, and Surya Pratap Mehrotra, "Role of rheology on the hydraulic transportation of lignite coal and coal ash slurries in the pipeline", International Journal of Coal Preparation and Utilization, 42.4 (2020): 1263-1277.

  11. Vighnesh Prasad, Surya Pratap Mehrotra, and Prachi Thareja, "Influence of additives, particle size, and incorporation of coarse particles on the shear rheology of concentrated Indian coal ash slurries", Asia‐Pacific Journal of Chemical Engineering, 14.5 (2019): e2358.

Conferences & Seminars

  1. Vighnesh Prasad, Snehasis Behera, Ramanuj Narayan, “Effect of solid concentration and size distribution on the rheology, pipe flow and pipe wear during transportation of iron ore slurries” 22nd International Hydrotransport Conference, Prague, Czech Republic, May 2025. 

  2. Chandan Jena, Vighnesh Prasad, “Influence of guar gum on the flow characteristic and pipe wear during hydraulic transportation of iron ore slurry”, National Conference on Sustainable Science and Technology for Viksit Bharat (SSTV – 2025), CSIR-IMMT Bhubaneswar, Odisha, March 2025. 

  3. Vighnesh Prasad, Anil Dubey, Rashmiranjan Barik, Debabrata Singh, and Jayanta Kumar Pothal, "Effect of particle concentration and size distribution on the rheology and pipeline transportation of iron ore slurries", IIChE-CHEMCON 2024, NIT Jalandhar, Punjab, December 2024.

  4. Sambit Senapati, DN Thatoi, and Vighnesh Prasad, "Effect of solids concentration on the rheology and pipeline transportation of red mud slurry", 39th Indian Engineering Congress, The Institution of Engineers, Hotel Novotel, Kolkata, December 2024.

  5. Vighnesh Prasad, Anil Dubey, and Snehasis Behera, “Hydraulic conveying through the slurry pipeline: environment-friendly safe disposal of Indian coal fly ash,” International Conference on Emerging trends in Engineering and Technology- Industry 4.0 (ETETI-2023), IGIT Sarang, Odisha, India, May 2023.

  6. Sambit Senapati, Vighnesh Prasad, Anil Dubey and Satyabhama Alangar, “Discrepancy in predicted head loss of non-Newtonian aqueous suspension of fly ash with two different Yield stress values obtained from Rheological data,” 9th International and 49th National Conference On Fluid Mechanics and Fluid Power, IIT Roorkee, India, December 2022.

  7. Rashmiranjan Barik, P.K Senapati, J.K Pothal, Debabrata Singh, Anil Dubey, Vighnesh Prasad, “Environment-friendly disposal of zinc ore residue through slurry transportation,” Frontiers in Materials for Technological Applications, CSIR-Institute of Minerals and Materials Technology, Bhubaneswar, India, August 2022. 

  8. Vighnesh Prasad, Pradipta Kumar Senapati, Anil Dubey, Jayanta Kumar Pothal, Rashmiranjan Barik, “Influence of rheological characteristics on the hydraulic conveying of red mud slurries” Indian Chemical Engineering Congress & 74th Annual Session of Indian Institute of Chemical Engineers (CHEMCON 2021), CSIR – IMMT Bhubaneswar (Odisha), India, December 2021.

  9. Vighnesh Prasad, Prachi Thareja and Surya P. Mehrotra, “Experimental investigation for the efficient handling of coal fly ash in thermal power plant” International Conference on Materials and Technologies (Material TECH 2021), NIT Raipur (Chhattisgarh), India, January 2021. 

  10. Prachi Thareja, Vighnesh Prasad, and Surya P. Mehrotra, “Role of rheology in hydraulic transportation of coal fly ash - water slurries in pipeline” 18th International Congress on Rheology (ICR 2020), Rio de Janeiro (Brazil), December 2020.

  11. Vighnesh Prasad, Surya P. Mehrotra and Prachi Thareja, “Rheological characteristic of concentrated coal ash slurries and its correlation to bulk transportation in pipeline” International Conference on Complex Fluids (CompFlu 2020), IIT Bombay (Maharashtra), India, December 2020.

  12. Vighnesh Prasad, Prachi Thareja and Surya P. Mehrotra, “Shear yield stress measurement of coal ash pastes from modified slump tests” 3rd International Conference on Powder, Granule and Bulk Solids: Innovations and Applications (PGBSIA 2020), Thapar University, Patiala (Punjab), India, February 2020.

  13. Surya P. Mehrotra, Vighnesh Prasad, and Prachi Thareja, “Energy and cost efficient transportation of minerals and tailings in slurry form through pipeline” 29th International Mineral Processing Congress (IMPC 2018) at Moscow (Russia), September 2018.

  14. Vighnesh Prasad, Prachi Thareja and Surya P. Mehrotra, “Energy optimization for efficient transport and processing of slurries through the pipeline” International Conference on Materials and Intelligent Manufacturing (ICMIM 2017) at National University of Singapore (NUS), Singapore, August 2017.

  15. Vighnesh Prasad, Prachi Thareja and Surya P. Mehrotra, “Rheology of coal fly ash slurries” an International conference on Advances in Materials, Manufacturing and Applications (AmmA 2015) at NIT Trichy (Tamilnadu), India, April 2015. 

  16. Vighnesh Prasad, Sidharth Chakrabarti and P. M. Dharaskar, “Some studies on pneumatic fly-ash handling system for a power plant” an International conference on Emerging Trends in Mechanical Engineering (ICETME 2011) at Thapar University, Patiala (Punjab), India, February 2011.

Book Chapters & Proceedings

  1. Vighnesh Prasad, Anil Dubey, and Snehasis Behera, “Hydraulic conveying through the slurry pipeline: environment-friendly safe disposal of Indian coal fly ash”, Industry 4.0 with modern technology, Taylor & Francis, CRC Press (2024): 113-117.

  2. Sambit Senapati, Vighnesh Prasad, Anil Dubey, Alangar Sathyabhama, A, “Discrepancy in Predicted Head Loss of Non-Newtonian Aqueous Suspension of Fly Ash with Two Different Yield Stress Values Obtained from Rheological Data”, Lecture Notes in Mechanical Engineering, Springer Nature, 6 (2024): 445-457.

  3. Vighnesh Prasad, Prachi Thareja, and Surya Pratap Mehrotra, “Energy and cost efficient transportation of minerals and tailings in slurry form”, Canadian Institute of Mining, Metallurgy and Petroleum, 978-703022711-9, (2019): 2443-2451.

Product/process development

  1. IMMTCorr: An corrosion monitoring and estimation apparatus.

  2. Pilot slurry erosion pipe-loop: A pilot setup for quantifying erosion wear and pressure losses in horizontal and bend pipe sections.

  3. Slurry Lubrication System (SLS): A system to facilitate core-annular flow in the pipeline.

  4. Impact Tester: An instrument to evaluate the impact/stab resistance of aramid materials.

  5. Bio-additives: Natural plant-based additives for slurry pipeline application.

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