DESCRIPTION :
Dr. Vighnesh Prasad is currently working as a Senior Scientist in the Dept. of Pipeline Transport Systems & Societal Technologies at CSIR - Institute of Minerals & Materials Technology, Bhubaneswar, India. He received his B. E. degree in Mechanical Engineering from OP Jindal University, Raigarh, Chhattisgarh, India. He obtained his M. Tech and Ph.D. degrees in the department of Materials Engineering and Chemical Engineering, respectively, from the Indian Institute of Technology Gandhinagar, Gujarat, India. He has published/presented more than 20 research works in reputed journals and conferences. His lab is equipped with high-precision equipment, including Rheometer (Anton Paar), Rheometer (ThermoFisher), Tube viscometer, Particle size analyzer, Erosion pot tester, Corrosion test rig, Abrasion tester, Planetary ball mill, Centrifuge, Ultrasonic thickness gauge, Impact tester, Slurry lubrication system, Multimeters, Low and high concentration horizontal pilot pipe-loop facilities (50-200 mm NB), Vertical test pipe-loop facility (75-150 mm NB), Pilot slurry pipe-loop erosion test rig. and so on...
EXPERIENCE :Feb 2021 - Feb 2025: Scientist, CSIR- IMMT, Bhubaneswar, India.
Feb 2025 Onwards: Senior Scientist, CSIR- IMMT, Bhubaneswar, India.
AREA OF INTEREST :1. 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
2. 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.
3. 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.
4. Vighnesh Prasad, “Removal of heavy metallic ions from the aqueous solution using raw and modified coal ash”, Scientia Iranica (2024).
5. 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.
6. 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.
7. 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
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, no. 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, no. 5 (2019): e2358.
12. Vighnesh Prasad, Prachi Thareja and Surya P. Mehrotra, “Energy and cost efficient transportation of minerals and tailings in slurry form”, IMPC - Canadian Institute of Mining, Metallurgy and Petroleum, 978-703022711-9, pp. 2443-2451 (2019).
PROJECTS WORKED ON :1. Rheological investigation of Ash dyke Fly ash samples for pipeline transportation - BALCO, Korba, Chhattisgarh
2. Rheological testing of Fly ash samples for pipelines transportation - Reliance Power project, Singrauli, M.P.
3. Studies on the influencing parameters of erosion wear in slurry pipeline and scale-up design - CSIR-IMMT, BBSR
4. Studies on dense phase pneumatic conveying of bulk solids - CSIR-IMMT, BBSR
5. Implementation of TERAFIL water filtration systems in Iron Contaminated areas of Jharkhand & Odisha and optimization of TERAFIL raw materials & its process for Eastern region of India - Ministry of Jal shakti, New Delhi
6. Creation of DSIR Common Research and Technology Development Hub (CRTDH) in the area of New Materials/ Chemical Process - DSIR, New Delhi
7. Design and development of a pilot scale paste thickener for eco-friendly tailings disposal in Indian iron and steel industry - CSIR, New Delhi
8. A detailed investigation of the erosion and corrosion wear in the presence of chemical/bio-additives to forecast the life-cycle of the industrial pipeline - SERB, New Delhi
9. Ash rheology test for HCSD system design of 1 x 660 MW Panki Thermal Power Station – BHEL-ISG, Bangalore
10. Studies on feasibility of coal-water slurry preparation, transportation and dewatering of pulverized coal - CSIR, New Delhi
11. Ash rheology studies of LARA Super Thermal Power Project (2 x 800 MW) for HCSD system design - BHEL-ISG, Bangalore
12. Hydraulic transportation of raw material/tailings for the critical minerals through horizontal slurry pipeline: CSIR, New Delhi
13. An investigation on the failure analysis of the coal ash slurry pipeline: Macawber Beekay Pvt Ltd., Noida
14. Pelletization/Briquetting and Smelting studies of low-grade chrome ore samples: TATA Steel Ltd.
15. Jigyasa 2.0 programme with the concept of virtual lab integration: CSIR, New Delhi
16. Rheology and particle size distribution of iron ore slurries: Innocule Materials and Additives Pvt. Ltd, Bhubaneswar