Dr. Dwarika Nath Ratha
Associate Professor

Designation:

Associate Professor

Specialization:

Ph.D Hydraulics

Email:

dnath.ratha@thapar.edu

Biography

Dwarikanath Ratha is working presently as Associate Professor at Thapar Institute of Engineering & Technology. He was appointed in 2008 to Thapar Institute of Engineering & Technology as a lecturer and became Associate Professor in the year 2015. He has published over 20 research publication in various Journals and Conferences. His contribution in research has been recognized by award in Journal of Hazardous, Toxic and Radioactive waste, ASCE Journal in the year 2010 and 2013 as best theoretical oriented paper.

Research tags

  • ater Resources Engineering
  • Water Resources Management
  • Contaminant transport in Groundwater
  • Groundwater and surface water Hydrology

Research Project

Details of Project Name of funding agency Amount of Project
Resistance properties of coal-water slurry flowing through local piping fittings (Co-Pi: Mr. Satish Kumar) University Grant Commission (Major Research Project) 6,44,000
Lateral and longitudinal hydrodynamic dispersion through rigid and flexible vegetation Department of Science and Technology, New Delhi (Fast track scheme for young scientist) 14,34,000
Analysis of Virus Transport through Subsurface Media (Co-Pi: Dr. Richa Babbar and Dr. Manoj Baranwal) Council of Scientific and Industrial Research (CSIR) Approved for funding

Consultancy Projects

Details of Consultancy Name of funding agency Amount of consultancy
Design of rain water harvesting system at Samana (With Dr. Arindam Sarkar, , IIT Bhubaneswar) Municipal Corporation, Samana Rs 33,090/
Design of the drainage network at Patran (With Dr. Arindam Sarkar, Assistant Prof., IIT Bhubaneswar) Municipal Corporation, Patran Rs. 44,120/
Preparation of hydrological report for EIA studies (With Mr. Amit Dhir, Assistant Prof., Thapar Institute of Engineering & Technology) Madhav Alloys PVT. Ltd Rs. 22060/
Preparation of hydrological report for EIA studies (With Mr. Amit Dhir, Assistant Prof., Thapar Institute of Engineering & Technology)) Shreyans Paper Industries, Ahmedgarh 1,38,000/
Preparation of hydrological report for EIA studies (With Mr. Amit Dhir, Assistant Prof., Thapar Institute of Engineering & Technology) Satia Industries, Muktsar 1,38,000/

Membership of Professional Bodies/Societies

  • Indian Society of Hydraulics (ISH): National, Membership No: LM 824

Publication

Publication (JOURNAL)

  • Ratha, D., Hari Prasad, K.S. and Ojha, C.S.P. (2007) A finite volume model for the solution of the advection-dispersion equation., ISH Journal of Hydraulic Engineering, Vol 13, No 2, pp. 122-135.
  • Ratha, D.N, Hariprasad, K.S. and Ojha, C.S.P (2009). Analysis of virus transport in ground water and identification of transport parameters, Journal of Hazardous, Toxic and Radio active Waste, ASCE, Vol 13 (2), 98-109.
  • Ojha, C.S.P., Hariprasad, K.S,. Ratha, D.N, and Surampalli, R.Y., (2012) Virus transport through unsaturated zone: Analysis and parameter identification, Journal of Hazardous, Toxic and Radio active Waste, ASCE, Vol 16 (2), 96-105.
  • Hariprasad, K.S,.Ratha, D.N, and Ojha, C.S.P. (2012) Identification of virus transport parameters in ground water: Data Error and Bias, Journal of Hydro Environment Research, ElsevierPublisher. Vol 6(1), 41-50.
  • Sarkar, A. and Ratha, D. (2014) Flow around submerged structures subjected to shallow submergence over plane bed, Journal of fluid and structures. Elsevier Publisher, 44, 166-181.
  • Ratha, D. and Agrawal, V.P. (2014) Structural modeling and analysis of water resources development and management system: A Graph Theoretic approach, Water Resources Management, 28, 2981-2997
  • Ratha, D. and Sarkar, A. (2015) Analysis of backward facing step with transition, Frontiers of Structural and Civil Engineering, 9 (1), 71-81.
  • Ratha, D. and Agrawal, V.P. (2015) A digraph permanent approach to evaluation and analysis of integrated watershed management system, Journal of Hydrology, 525, 188-196.
  • Singh, M.K, Kumar, S. and Ratha, D. (2015) Mineral Characterization of Indian Coal, International Journal of Applied Engineering Research, 10 (78), 131-135.
  • Singh, M.K, Ratha, D., Kumar, S. and Kumar, D. (2016) Influence of particle size distribution and temperature on rheological behavior of coal slurry, International Journal of coal preparation and utilization, 36(1), 44-54.
  • Singh, M.K, Kumar, S. and Ratha, D. (2016) Physico-chemical and leaching characteristics of fly and bottom ash, Energy sources, Part A: Recovery, Utilization and Environmental effects, 38 (16), 2377-2382.
  • Singh, M.K, Kumar, S., Ratha, D. Kaur, H. (2017) Design of slurry transportation pipeline for the flow of multi-particulate coal ash suspension, International Journal of Hydrogen Energy, Accepted.
  • Kumar, A, Babbar, R. and Ratha, D (2017) Assessment of runoff potential of Tehri sub-watersheds based on geomorphology and runoff index, Disaster Advances, 10 (9), 9-17.
  • Singh, M.K, Kumar, S., and Ratha, D. (2017) Computational analysis on disposal of coal slurry at high solid concentrations through slurry pipeline, International Journal of coal preparation and utilization, Accepted.

Publication (CONFERENCE) )

  • Singh, M.K, Kumar, S. and Ratha, D. (2016) Study of pressure distribution inside slurry pipeline using CFD, National Conference on Recent Technological Developments in Mechanical Engineering, 22-23 Jan, 2016
  • Sharma, A., Ratha, D., and Kumar, S. (2014) Analysis of lift coefficient in flow past an airfoil, 7th National Conference on Wind Engineering, Thapar Institute of Engineering & Technology Patiala, 21-22 Nov 2014
  • Ratha, D. and Sarkar, A. (2012) Flow separation over a backward facing step with transitions, International Congress on Computational Mechanics and Simulation (ICCMS), IIT Hyderabad, 10-12 Dec, 2012.
  • Choudhry, R., Kumar, S. and Ratha, D. (2012) Analysis of flow characteristics of bottom ash slurry in a pipeline, International Conference on Applications of Fluid Engineering, New Delhi, Sept 20-22, 2012
  • Ratha, D, Hariprasad, K.S. and C.S.P. Ojha (2010) An efficient numerical model of virus transport in unsaturated zone. Published in EWRI-ASCE international conference held at IIT Chennai during Jan 5-7 2010.
  • Ratha, D, Ojha, C.S.P. and Hariprasad, K.S. (2009) A modified picard’s method for virus transport in ground water. International conference Water, Environment, Energy and Society (WEES-2009), New Delhi, 12-16 January 2009, pp 1222-1227.
  • Ratha, D.N., Swain, P.C, and Mohapatra, S.K. (2003) Turbulent flow over a backward facing step. Published in a national conference ‘Recent Advances in Civil Engineering’ at University college of Engineering, Burla.

Awards and Honours

  • Recipient of best theoretical oriented paper in Journal of Hazardous
  • Toxic and Radio active waste
  • ASCE Journal in the year 2010 and 2013