Education

• Doctoral Degree (PhD): Department of Aerospace Engineering, Indian Institute of Science, Bangalore, June 2004
• Master Degree (M.E.): Thermal Engineering, Department of Mechanical Engineering, University of Roorkee (upgraded as IIT Roorkee), January 1998
• Bachelor Degree (B.E.): Mechanical Engineering, Utkal University, Bhubaneshwar, June 1996

Courses Teaching

• Engineering Drawing (UG)
• Engineering Mechanics (UG)
• Fluid Mechanics (UG, PG)
• Engineering Thermodynamics (UG)
• Applied Thermodynamics (UG)
• Heat and Mass Transfer (UG)
• Refrigeration and Air Conditioning (UG/PG)

• Gas Dynamics (PG)
• Experimental Methods (PG)
• Combustion (PG)
• Viscous Fluid Flow (PG)
• Aircraft Propulsion (PG)

• February 2015 to till date: Professor, Department of Mechanical Engineering, Indian Institute of Technology Guwahati
• January 2010 to January 2015: Associate Professor, Department of Mechanical Engineering, Indian Institute of Technology Guwahati
• May- July 2010: Visiting Research Fellow, Shock Wave Laboratory, RWTH Aachen University, Germany
• December 2004 to December 2009: Assistant Professor, Department of Mechanical Engineering, Indian Institute of Technology Guwahati
• June 2006 to May 2007: Visiting Research Fellow, Division of Mechanical Engineering, University of Queensland, Brisbane, Australia
• March 2004 to November 2004: Research Associate, Department of Aerospace Engineering, Indian Institute of Science, Bangalore

Awards

• 2010; Recipient of 2-months research fellowship under DAAD programme, Germany
• 2006-2007; Recipient of 12-months research fellowship under BOYSCAST programme, supported by Department of Science and Technology (DST), New Delhi
• 2008-2009; Recipient of Fast Track Project under  Young Scientist Scheme supported by Department  of Science and Technology, New Delhi

Selected Journal Publications

• Santosh Kumar Hotta, Niranjan Sahoo, Kaustubha Mohanty and Vinayak Kulkarni, Ignition timing and compression ratio as effective means for the improvement in the operating characteristics of a biogas fueled spark ignition engine, Renewable Energy, Vol. 150, pp. 854-867, 2020      DOI: https://doi.org/10.1016/j.renene.2019.12.145
• Anil Kumar Rout, Niranjan Sahoo and Pankaj Kalita, Effectiveness of coaxial surface junction thermal probe for transient measurements through laser based heat flux assessment, Heat and Mass Transfer, Vol. 56, pp. 1141-1152, 2020, DOI: https://doi.org/10.1007/s00231-019-02775-y
• Sangjukta Devi, Niranjan Sahoo and P. Muthukumar, Experimental studies on biogas combustion in a novel double layer inert porous radiant burner, Renewable Energy, Vol. 149, pp. 1040-1052, 2020, DOI: https://doi.org/10.1016/j.renene.2019.10.092
• S. K. Hotta, N. Sahoo and K. Mohanty, Comparative assessment of a spark ignition engine fueled with gasoline and raw biogas, Renewable Energy, Vol. 134, pp. 1307-1319, 2019, DOI: 10.1016/j.renene.2018.09.049
• A. J. Chaudhari, S. K. Hotta, N. Sahoo and V. Kulkarni, Combined impact of compression ratio and re-circulated exhaust gas on the performance of a biogas fueled spark ignition engine, Journal of Renewable and Sustainable Energy, Vol. 11, 013104 (1-15), 2019, DOI: https://doi.org/10.1063/1.5045742
• A. Chaudhari, S. K. Hotta, N. Sahoo and V. Kulkarni, Effect of vertical location of the spark plug on the performance of a raw biogas fueled variable compression ratio spark ignition engine, Energy and Environment, pp. 1-26, 2109, DOI: 10.1177/0958305X19841270
• A. Chaudhari, V. Kulkarni and N. Sahoo, State-of-the-art technology in variable compression ratio mechanism for spark ignition engine, Sadhana – Proceedings of Indian Academy of Sciences, Vol. 43, No. 211, pp. 1-16, 2018
• S. Agarwal and N. Sahoo, An experimental investigation towards calibration of a shock tube and stagnation heat flux determination, International Journal of Aerodynamics, Vol. 6, No. 1, pp.18-40, 2018
• M. W. Mekonen and N. Sahoo, Combined effects of fuel and intake air preheating for improving diesel engine operating parameters running with biodiesel blends, Renewable Energy Focus, Vol. 26, September 2018, DOI: 10.1016/j.ref.2018.07.003
• M. W. Mekonen and N. Sahoo, Combined effects of fuel and intake air preheating for improving diesel engine operating parameters running with biodiesel blends, Journal of Renewable and Sustainable Energy, Vol. 10, 043103, 2018, DOI: 10.1063/1.5024622
• S. K. Hotta, N. Sahoo and K. Mohanty, Ignition advancement study for optimized characteristics of a raw biogas operated spark ignition engine, International Journal of Green Energy, 2018, DOI: 10.1080/15435075.2018.1544901

• S. Dasari, A. J. Chaudhari, N. Sahoo, V.V. Goud and V.N. Kulkarni, In-situ alkaline transesterification of castor seeds: Optimization and engine performance, combustion and emission characteristics of blends, Energy Conversion and Management, Vol. 142, pp. 200-214, 2017
• S. Agarwal, N. Sahoo and R.K. Singh, Experimental techniques for thermal product determination of coaxial surface junction thermocouples during short duration transient measurements, International Journal of Heat and Mass Transfer, Vol. 103, pp. 327-335, 2016.
• S. Sarma, N. Sahoo and A. Unal, Thin film gauges using carbon nanotubes as composite layers, ASME Journal of Engineering Materials and Technology, Vol. 138, No. 4, pp. 041014(1)-041014(8), 2016.
• S. Sarma, N. Sahoo and A. Unal, Calibration of silver thin film gauge for short duration step heat load, Sadhna – Indian Academy of Sciences, Vol. 41, No. 7, pp. 787-794, 2016
• N. Sahoo and R. Kumar, Performance assessment of thermal sensors during short-duration convective surface heating measurements, Heat Mass Transfer, Vol. 52, No. 9, pp. 2005-2013, 2016
• B. K. Debnath, U. K. Saha and N. Sahoo, A comprehensive review on the application of emulsions as an alternative fuel for diesel engines, Renewable and Sustainable Energy Reviews, Vol. 42, pp. 196-211, 2015
• B. K. Debnath, U. K. Saha and N. Sahoo, An experimental way of assessing the application potential of emulsified palm biodiesel towards alternative diesel, ASME Journal of Engineering for Gas Turbines and Power, Vol. 136, pp. 021401(1)-021401(12), 2014
• B. K. Debnath, U. K. Saha and N. Sahoo,  A theoretical route towards the estimation of second law potential of an emulsified palm biodiesel run diesel engine, ASCE Journal of Energy Engineering, 140; pp. A4014007(1)-A4014007(10), 2014
• B. K. Debnath, B. J. Bora , N. Sahoo and U. K. Saha U. K., Influence of emulsified palm biodiesel as pilot fuel diesel engine, ASCE Journal of Energy Engineering, 140; pp. A4014005(1)-A4014005(9), 2014
• R. Kumar and N. Sahoo, Dynamic calibration of K-type coaxial thermocouple for transient measurement, ASME International Journal of Heat Transfer, Vol. 135, pp. 1245021-1245027, 2013
• R. K. Peetala, N. Sahoo and V. Kulkarni, Prediction of short-duration transient surface heat flux using various analytical techniques, Heat Transfer – Asian research, Vol. 42, No. 6, pp. 530-543, 2013
• B. K. Debnath, N. Sahoo and U. K. Saha, Adjusting the operating characteristics to improve the performance of an emulsified palm oil methyl ester run diesel engine, Energy Conversion and Management, Vol. 69, pp. 191–198, 2013
• B. K. Debnath, N. Sahoo and U. K. Saha, Thermodynamic analysis of a variable compression ratio diesel engine running with palm oil methyl ester, Energy Conversion and Management, Vol. 65, pp. 147-154, 2013
• R. Kumar, N. Sahoo and V. Kulkarni, Conduction based calibration of handmade platinum thin film heat transfer gauges for transient measurements, International Journal of Heat and Mass Transfer, Vol. 55, pp. 2707-2713, 2012
• B. K. Debnath, U. K. Saha and N. Sahoo, Effect of hydrogen-diesel quantity variation on brake thermal efficiency of a dual fuelled diesel engine, Journal of Power Technologies, Vol. 92, No. 1, pp. 55–67, 2012
• B. K. Debnath, U. K. Saha and N. Sahoo, Effect of compression ratio and injection timing on the performance characteristics of a diesel engine running on palm oil methyl ester, Journal of Power and Energy, Proceedings of the Institution of Mechanical Engineers (IMechE, Part A), Vol. 227, No. 3, pp. 368-382, 2012
• B. B. Sahoo, U. K. Saha U.K. and N. Sahoo, Diagnosing the effects of pilot fuel quality on availability terms in a biogas run dual fuel diesel engine, International Journal of Exergy, Vol. 10, No. 1, pp. 77-93, 2012
• B. B. Sahoo, N. Sahoo and U. K. Saha, Effect of H₂:CO ratio in syngas on the performance of a dual fuel diesel engine operation, Applied Thermal Engineering, Vol. 49, pp. 131-146, 2012
• R. Kumar, N. Sahoo, V. Kulkarni and A. Singh, Laser based calibration technique of thin film gauges for short duration transient measurement, Journal of Thermal Science and Engineering Applications: Transactions of ASME, Vol. 3, No. 4, pp. 44504-445049, 2011
• B. B. Sahoo, U. K. Saha, and N. Sahoo, Theoretical performance limits for syngas-diesel fueled compression ignition engine from second law analysis, Energy, Vol. 36, pp. 760-769, 2011
• B.B. Sahoo, U. K. Saha and N. Sahoo, Effect of load level on the performance of a dual fuel compression ignition engine operating on syngas fuels with varying H₂/CO content, Journal of Gas Turbine and Power,  Transactions of ASME Vol. 133, No. 12, pp. 122802-1:12, 2011
• N. Sahoo and R. K. Peetala, Transient surface heating rates from a nickel film sensor using inverse analysis, International Journal of Heat and Mass Transfer, Vol. 54, pp. 1297-1302, 2011
• N. Sahoo and R. K. Peetala, Transient temperature data analysis for a supersonic flight test, ASME Journal of Heat Transfer, Vol. 132, 0845031-0845035, 2011
• B.B. Sahoo, N. Sahoo and U.K. Saha, Effect of engine parameters and type of gaseous fuel on the performance of dual-fuel gas diesel engines – A critical review, Renewable and Sustainable Energy Reviews, Vol. 13, pp. 1151-1184, 2009
• B.B. Sahoo, N. Sahoo, P. Mahanta, L. Borbora, P. Kalita and U.K. Saha, Performance assessment of a solar still using blackened surface and thermocol insulation, Renewable Energy, Vol. 33, No. 7, pp. 1703-1708, 2008
• V. K. Pantangi, A.S.S.R.K. Kumar, S. C. Mishra and Niranjan Sahoo, Performance analysis of domestic LPG cooking stoves with porous media, International Energy Journal, Vol. 8, pp. 139-144, 2007

Seminars Presentations and Invited Delegates

• 2020, Invited Speaker for TEQIP-III “National Conference on Mechanical, Materials and Renewable Energy Technology (NCMMRET 2020)”, Einstein Academy of Technology and Management, Bhubaneswar, 10-11 January
• 2019, Session Organizer for Renewable Energy (Track 6) – ASME 2019 Gas Turbine India Conference, IIT Madras, 5-6 December
• 2019, Invited Speaker for TEQIP-III International Conference on “Recent Advancement in Air-conditioning Refrigeration (RAAR-2019)”, C. V. Raman College of Engineering, Bhubaneswar, 28-30 November
• 2019, Invited Speaker and Delegate, International Joint Meeting and Symposium at GIFU University, Japan, 07-10 October, Title: Green energy technology for study of biofuels in internal combustion engines
• 2019, Resource Speaker for TEQIP-III National Seminar on “Recent Scopes and Technologies in Mechanical Engineering”, Government Engineering College, Bhawanipatna, Odisha, 20-21 September
• 2019, Resource Speaker for TEQIP-III Seminar, NIT Manipur, 27-28 August
• 2019, Invited Speaker, GTMAP-Project, AR&DB-DRDO Workshop, 19 July, IISc Bangalore, Title: Calibration methods of high frequency thermal sensors for localized temperature and heat flux measurements in gas turbine and internal combustion engine applications,
• 2019, Resource Speaker for TEQIP-III Workshop on “Clean Energy Technologies”, IIT Guwahati, 10-14 June
• 2018, Resource Speaker for TEQIP-III Workshop on “Energy Efficient and Green Energy Technologies”, IIT Guwahati, 26-30 November 2018
• 2018, Resource Speaker for TEQIP-III Workshop on “Combustion Process in IC Engines (CPICE – 2018)”, National Institute of Technology (NIT) Silchar, 01-05 November
• 2018, Invited Speaker, Recent Advances in Hypersonic and Shock Wave Research Symposium, 20 July 2018, IISc Bangalore, Title: Shock tube as an impulsive device for high strain rate deformation studies of metallic sheets and characterization of thermal sensors
• 2018, Session Chairman for 5^TH National Symposium on Shock Waves (NSSW 2018), Terminal Ballistics Research Laboratory (TBRL), Chandigarah, 26-28 February
• 2017, Resource Speaker for under graduate (B. Tech) students for Internal Combustion Engines and Fluid Dynamics, ICFAI University, Tripura,
• 2015, ICOVP (12^TH International Conference on Vibration Problems) held during 14-17 December, Indian Institute of Technology Guwahati. Title:  High frequency sensors for force and heat transfer measurements during short duration experiments
• 2012, NSAET (National Seminar on Advances in Engine Technology) held at Gandhi Institute for Education and Technology, Bhubaneshwar, 30-31 March, Title: Engine technology for study of alternative fuels (Invited Talk)
• 2012, NSSW2 (National Symposium on Shock Waves) held at Periyar Maniammai University Thanjavur, Tamil Nadu, 27-28 February, Title: Heat transfer and force measurement studies in hypersonic flow Heat transfer and force measurement techniques in short duration experimental facilities (Invited talk)

• 2011, NSSW1 (National Symposium on Shock Waves) held at Indian Institute of Science Bangalore 15^TH March, Title: Heat transfer and force measurement studies in hypersonic flows. (Invited talk)
• 2010, ASME-ATI-UIT International Conference on “Thermal and Environmental Issues in Energy Systems”, Sorrento, Italy, 16-19 May. Title: Effect of H₂: CO ratio in syngas for a dual-fuel diesel engine operation.
• 2008 (04^TH April), Division of Mechanical Engineering, University of Queensland, Brisbane, Australia. Title: Research Towards Common man’s Needs – An Indian Scenario.
• 2008 (14^TH February), Division of Mechanical Engineering, University of Queensland, Brisbane, Australia. Title: Boundary Layer Transition Experiment in ZUNI Flight.
• 2007, 16^TH Australasian Fluid Mechanics Conference, Crown Plaza, Gold Coast, Australia, 03-07 December. Title: Experiments on a blunt cone in a hypersonic shock tunnel.
• 2005, International Workshop on Contemporary Research in Hypersonic and Shock Waves, Department of Aerospace Engineering, Indian Institute of Science, Bangalore, 27-28 January (Invited delegate)