Dr. Ruben Sudhakar D.



·         Solid Fuels based Heat and Power Generation (Combustion and Gasification)

·         CO2 Capture Technologies

·         Energy System Analysis

·         Energy Conservation and Management Solutions



·         "Assistant Professor" at National Institute of Technology Karnataka (NITK)Surathkal - Since  July, 2013

·         "Lead Research Engineer" at Corporate Research & Technology, Siemens Technology and Services Pvt. Ltd., Bangalore - (January 2011 - May, 2013)

·         "Project Associate - Energy Audit" –  at Signals and Systems (SANDS), Chennai – (Mar -May, 2004),

·         "Lecturer" – Department of Chemical Engineering at Dr.Navalar Neduncheziyan College of  Engineering, Perambalur Dt. - (April 2001 – August 2002)

·         "Chemical Engineer" at SOSAM Sugar Consultants, Chennai -(June 2000 – March 2001)



International Journals

1.Visualization and characterization of thermo-physical behaviour of wood during devolatilization in a hot fluidized bed using X-ray radiography technique,D. Ruben Sudhakar, and Ajit Kumar KolarFuel, Volume 112, 2013, Pages 208–223.

2  Devolatilization of Wood in Hot Fluidized Bed: Effect of Particle Size, Shape and Bed Temperature,D. Ruben Sudhakar, and Ajit Kumar Kolar,Journal of Analytical and Applied Pyrolysis, Volume 92, 2011, Pages 239-249.

3  Transient Three Dimensional Mathematical Model and Experimental Investigation of a Wet Devolatilizing  Wood in a Fluidized Bed, D. Ruben Sudhakar, and Ajit Kumar KolarEnergy and Fuels, Volume 24, 2010, 4820-4832.

4  Modelling and experimental investigation of devolatilizing wood in a fluidized bed combustorM. Sreekanth, D. Ruben Sudhakar, B.V.S.S.S. Prasad, Ajit Kumar Kolar, and Bo LecknerFuel, Volume 87, Issue 12, 2008, Pages 2698-2712

5 Fragmentation of wood char in a laboratory scale fluidized bed combustorD.Ruben Sudhakar, K. Srinivas Reddy, Ajit Kumar Kolar, and Bo LecknerFuel Processing Technology, Volume 89, Issue 11, 2008, Pages 1121-1134


International Conference/Seminar Proceedings

·   Digital X-Ray Radiography Technique for the Study of Char Formation, D. Ruben Sudhakar, and Ajit Kumar KolarInternational conference on “Advances in Energy Research”, ICAER (2009), IIT Bombay,09-11 December2009.

·   Effect of HRSG configurations on the performance of 400 MWe IGCCM.V.J.J.Suresh, D. Ruben Sudhakar, K.S.Reddy, and Ajit Kumar KolarInternational Seminar on Coal Gasification: Challenges and Opportunities for India, October 3, 2007, IIT Bombay, Mumbai, India.

·   Environment impact assessment study of power plants, M.V.J.J.Suresh, and D. Ruben SudhakarInternational Conference on Environmental Management (ICEM)– Theme 2, October 28-30, 2005, Hyderabad, India, pp.1-9.


National Conference/Seminar Proceedings

·   CFD Analysis of the Gas Flow in a Flue Gas Duct of a  500 MW Coal Fired Boiler, D. Ruben Sudhakarand Venkatesa Kumar, National Level Symposium “SACOESIUM”Dr.Sivanthi Aditanar College of Engineering, 01 October, 2003.


Technical Magazines

·   Electricity overview of India, M.V.J.J.Suresh, and D. Ruben SudhakarElectrical India, 48 (8), August 2008, pp.46-54.

·   Biomass Combustion – A Sustainable Technology*, D.Ruben SudhakarTechne’- 2012, Siemens Internal Magazine,*Article based on an invited lecture at IIT Madras.



·   "Biomass Combustion- A Sustainable Technology"at IIT Madras in a training programme organized by All India Council for Technical Education (AICTE) and Indian Society for Technical Education (ISTE) (24-02-2012)

·   “Biomass Gasification: R,D&D Needs and Challenges” atVIT University, Chennai inOne Day Seminar on Emerging Trend and Research Avenues in Solar Wind and Bio Mass Energy Technologies  (04-05-2013)



·   Qualified in “National Certification Examination for Accredited Energy Auditors and Managers” -  Bureau of Energy Efficiency, Ministry of Power, GoI, 2006

·   First runner-up prizefor the best poster  in International Seminar on Coal Gasification: Challenges &  Opportunities for India - IIChE Diamond Jubilee, IIT Bombay, 2007

·   First Prize– “Green Campus” Project Competition - The Energy Forum, IITMadras, 2008



·   Ph.D. in Mechanical Engineering (2012)

Specialization: Fluidized Bed Combustion of Biomass  from Indian Institute of Technology (IIT) Madras, Chennai, Tamil Nadu.

·   Masters in Technology: Energy Conservation and Management (2004) 

School of Energy, Bharathidasan University, Tiruchirapalli.(A special joint venture between BHEL and Bharathidasan Univ. since 1984)  

·   Bachelors in Technology: Chemical Engineering (2000) 

University of Madras, Chennai, Tamil Nadu.



·     International Workshops on Biomass Conversion (2004, 2005, and 2006)-Organized

·     International Workshops on Clean coal tech.(2009) -Participated

·     Advanced Energy Tech (2004, 2006, 2007)- Participated

·     International Workshop on Sustainability (2008) – Participated



·     Indian Society for Heat and Mass Transfer – Life Member     

·     Indian Institute of Chemical Engineers                          


Contact us

Hari Mahalingam, Associate Professor and Head
Department of Chemical Engineering, NITK, Surathkal
P. O. Srinivasnagar, Mangalore - 575 025
Karnataka, India.

  • Hot line: +91-0824-2474057

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