• Thermodynamics
• Thermal Engineering
• Internal Combustion Engines
• Heat and  Mass Transfer
• Gas Dynamics and Space  Propulsion
• Computational Fluid Dynamics
• Engineering Graphics
• Engineering Mechanics
• Fluid Mechanics
• Strength of Materials
• Kinematics of Machinery
• Dynamics of Machinery
• Finite Element Method
• Manufacturing Technology
• Computer Aided Manufacturing
• Non Traditional  Machining Process
• Solar Energy System
• Renewable Energy  Sources

• Heat Transfer Solidification Studies
• Phase Change Materials
• Solar Energy
• CFD study of flow through pipes

International Journal:

Published

• Rani, Moda Geetha, R. Rajaraman, “Review of Phase change material application in thermal For Peer Review management of electric vehicle battery pack”, Part A: Journal of Power and Energy, Accepted Manuscript ID: JPE-22-0556.R2 (2023).
   P.Shanmugavalli and R.Rajaraman, “Review of Stratification using Phase Change Materials for the different aspect ratio of tank for Thermal Energy Storage Application”, Int. J. Vehicle Structures & Systems, Volume 15,Issue-05, pp 1-6, 2023.
   P.Shanmugavalli and R.Rajaraman, “Thermal performance enhancement methods of Phase Change Materials for thermal energy storage systems – A review”, Materials Today Proceedings. DOI https://doi.org/10.1016/j.matpr.2023.08.171
• R. Rajaraman, R. A Arul Raja, J.Sunil, “Experimental Investigation on the Nano-Mechanical Properties of Lubricated and Non-Lubricated AISI 1018 Mild Steel using Nano- Indentation Technique” AIP Conference Proceedings 2385, 130024 (2022); https://doi.org/10.1063/5.0070985
• Sathish Kumar R, Rajaraman R, Nadanakumar V,  Christu Paul R,  Ganesan S and Ravishankar Sathyamurthy, “Effect of Kerosene and Methanol Blending with Pongamia Pinnata Biodiesel on Diesel Engine Performance and Emission Characteristics”, IOP Conf. Series: Materials Science and Engineering, April 2021, https://doi:10.1088/1757-899X/1130/1/012030.
• R. Rajaraman, R. A Arul Raja, J.Sunil, and V.Vijayan “Methodology to Estimate the Thermal Properties of Nano-fluids”, Materials Today: Proceedings, Available on line 6 October 2020. https://doi.org/10.1016/j.matpr.2020.08.681
• R. Rajaraman, R. A Arul Raja and J.Sunil “Thermal Energy Dissipation Capability of Garnet Nano-fluids”, Materials Today: Proceedings, Available on line 11 June 2020.https://doi.org/10.1016/j.matpr.2020.05.451.
• Mahoob E. Afshan, A. S Selvakumar, R. Velraj, R. Rajaraman, “Effect of aspect ratio and dispersed PCM balls on the charging performance of a latent heat thermal storage unit for solar thermal applications”, Renewable Energy, ISSN: 0960-1481, Vol: 148, PP:  876-888, 2020
• L. Anna Gowsalya, P.D. Jeyakumar, R. Rajaraman and R. Velraj “Estimation and Validation of Interfacial Heat Transfer Coefficient during Solidification of Spherical Shaped Aluminum Alloy (Al 6061) Casting using Inverse Control Volume Technique” Frontiers in Heat and Mass Transfer, ISSN: 2151-8629 DOI: 10.5098/hmt.12.21, May 2019.
• R. Rajaraman, L. Anna Gowsalya and R.Velraj “Interfacial Heat Transfer Coefficient Estimation during Solidification of Rectangular Aluminum Alloy Casting Using Two Different Inverse Methods” Frontiers in Heat and Mass Transfer, ISSN: 2151-8629, DOI: http://dx.dpi.org/10.5098/hmt.11.23, August 2018.
• S.Baskar and R Rajaraman, “Thermal Management of Automotive Heat Exchanger under Obstructed Cooling Airflow Path: A Case Study”, Iranian Journal of Science and Technology, Transactions of Mechanical Engineering, ISSN 2228-6187; DOI 10.1007/s40997-018-0216-3, June 2018.
• Arockia Julias A, Rajaraman R, Vela Murali, “Effect of fiber orientation on the delamination behaviour of glass-carbon hybrid Interface”, International Journal of Mechanical and Production Engineering Research and Development, Vol. 8, Issue 3, PP:1159-1166, June 2018.
• Mahboob E Afshan, Dr. R. Rajaraman and S. Selvakumar, “Experimental Analysis on Stratification of Thermal Storage Using Phase Change Material”, International Journal of Advanced Trends In Engineering And Technology, ISSN: 2456 – 4664, pp.101-106, January 2018.
• Baskar and R Rajaraman, “Investigation on the Obstructed Airflow Over the Automotive Heat Exchanger’’, Advances and Applications in Fluid Mechanics. Vol: 19, No: 2, pp: 257-271, March 2016
• S.Baskar and R Rajaraman, “Numerical Investigation on Airflow Distribution of Automotive Radiator’’, International Review of Mechanical Engineering, Vol: 9, No: 4,  pp: 417-422, July 2015.
• Baskar S. and Rajaraman R. “Airflow management in Automotive Engine cooling System – Overview” in International Journal of Thermal Technologies, Vol 5, No:1, March 2015.
• Rajaraman R. and Velraj R., “Comparison of interfacial heat transfer coefficient estimated by two different techniques during solidification of cylindrical aluminum alloy casting”, Heat Mass Transfer, July 2008, Vol. 44, No. 9, pp. 1025-1034.

National Journal:

• Rajaraman R. and Velraj R. “Estimation of interfacial heat transfer coefficient by control volume technique during solidification of cylindrical aluminum alloy casting”, Manufacturing Technology Today, December 2007, Vol. 6, No. 12, pp. 19-25.
• Rajaraman R. and Velraj R. “Numerical estimation of IHTC during solidification of rectangular aluminum alloy casting by control volume technique”, Manufacturing Technology Today, May 2009, Vol. 8, No. 5, pp.31-38.

• R. Rajaraman, R “A Study on Thermo-Physical and Lubricating Properties of Carbon Quantum Dots-SAE40 Oil Nanofluids ”, “Second International Conference on Emerging Trends in Materials, Computing and Communication Technologies (ICETMCCT 2021) from 09.12.2021 to 10.12.2021 at Annai Vailankanni College of Engineering, AVK Nagar, Pottalkulam.
• R. Rajaraman, R “A Review on the on the Thermo-Physical and Lubricating Properties of Nanofluids ”, “Second International Conference on Emerging Trends in Materials, Computing and Communication Technologies (ICETMCCT 2021) from 09.12.2021 to 10.12.2021 at Annai Vailankanni College of Engineering, AVK Nagar, Pottalkulam.
• R. Rajaraman, R “Effect of Kerosene and Methanol Blending with Pongamia Pinnata Biodiesel on Diesel Engine Performance and Emission Characteristics”, “International Conference on Advances in Renewable and Sustainable Energy Systems (ICARSES 2020) from 03.12.2020 to 05.12.2020 at SRM Institute of Science and Technology, KTR Campus, Chennai.
• Rajaraman R. and Velraj R and Renganarayanan S. “Design aspects of integrated compact thermal storage system for solar dryer applications”, Proceedings of the World Renewable Energy Congress, Malaysia, 1999, pp.101-105.

• Ayaz Ahmed, Dr. R.Rajaraman , Mr. A. Arockia Julias, Mr. R. Ravichandran  “Structural and thermal analysis on wheel and axle of a train using Finite Element Method”, Proceedings of National student symposium MECHFUSION 2010,  22nd April 2010 , DBIT, Bangalore-74

• Air Flow Management in Automobile Front End Module
• Heat transfer analysis for PCM thermal storage
• Experimental Investigation and Validation of Interfacial Heat Transfer Coefficient during Solidification of Casting Process using Inverse Methods.

• Heat transfer analysis for PCM thermal storage
• Experimental Investigation and Validation of Interfacial Heat Transfer Coefficient during Solidification of Casting Process using Inverse Methods
• Battery Thermal Management
• Performance Evaluation of Textured Diamond Tool using AA2024 Aluminium Alloy

• Professor and Head, Department of Mechanical Engineering, SRM Institute of Science, Vadapalani, Chennai – 600 026, Tamil Nadu, India from January 2021 to till date.
• Professor, Department of Mechanical Engineering, SRM Institute of Science, Vadapalani, Chennai – 600 026, Tamil Nadu, India from July 2017 to December 2020
• Professor, Department of Mechanical Engineering, B S Abdur Rahman University, Vandalur, Chennai – 600 048, Tamil Nadu, India from July 2009 to June 2017.
• Associate Professor, Department of Mechanical Engineering, B S Abdur Rahman University, Vandalur, Chennai – 600 048, Tamil Nadu, India from April 2009  to June 2009.
• Assistant  Professor, Department of Mechanical Engineering, B S Abdur Rahman University, Vandalur, Chennai – 600 048, Tamil Nadu, India from January 2006  to March 2009.
• Senior Lecturer, Department of Mechanical Engineering, B S Abdur Rahman University, Vandalur, Chennai – 600 048, Tamil Nadu, India from September 2001  to December 2005.
• Lecturer, Department of Mechanical Engineering, B S Abdur Rahman University, Vandalur, Chennai – 600 048, Tamil Nadu, India from August 1996 to August 2001.
• Lecturer, Department of Mechanical Engineering, St. Peters Engineering College, Avadi , Chennai – 600 054, Tamil Nadu, India from February 1996  to July 1996.
• Lecturer, Department of Automobile Engineering, Hindustan Institute of Engineering and Technology, Chennai – 600 016, Tamil Nadu, India from September 1993 to May 1994.
• Assistant Engineer Trainee, Thanthai Periyar Transport Corporation Ltd., Villupuram, April 1992 to April 1993
• Lecturer, Department of Mechanical Engineering, Sri Venkateswara College of Engineering, Pennalur, Sriperumpudur – 602 105, Tamil Nadu, India from September 1989 to April 1992.
• Associate Lecturer, Department of Automobile Engineering, St. Michaels Polytechnic, Chennai, Kilpauk, Chennai – 600 010, Tamil Nadu, India from July 1989 to September 1989.

• Led the department in the NBA accreditation for M.Tech. CAD-CAM Programme in B S Abdur Rahman University and got 3 Years Accreditation

• Led the department in the NBA accreditation for B.Tech. Mechanical Programme in B S Abdur Rahman University and got 3 years Accreditation

• Involved in curriculum and syllabus development for the Deemed to be University status of the college (June ’07 – April ‘08)

•  

  Guest Lecture delivered on “Engineering Mechanics” at Karpaga Vinayaga College of Engineering and Technology in 2010

• Founding Head of the Department Aeronautical Engineering in B. S. Abdur Rahman University for the academic year 2010-11

• Developed objectives and outcome oriented curriculum for B.Tech. – Automobile Engineering

• Established various laboratories of Automobile Engineering Department as HoD during the academic year 2011-12

• Developed curriculum and syllabus for Aeronautical and Automobile Engineering Branch

• Involved in organising three National Conferences by the Department CMTM 2005 (Jan 2005), APDMM 2008 (Jan 2008), AMDM 2013 (April 2013)
• Carried out the major revision in the M.Tech. Curriculum for CAD-CAM & Manufacturing in 2016
• Acted as Chairman for the Paper Presentation in the Second International Conference on “Advances in Materials, Manufacturing and Applied Sciences (ICMMAS’17)”, organized by Sri Sairam Engineering College in Association with SAE India, Chennai in March 2017.
• Member in academic council in B. S. Abdur Rahman University
• Doctoral Committee Member in Anna University
• Chairman for Board of studies in Mechanical Engineering Department in B.S.Abdur Rahman University
• In-charge for the Thermal Engineering Laboratory
• Chairperson – Curriculum development B.Tech. (Mechanical – Thermal stream)
• Organised Two Workshops for Curriculum Development in Aeronautical and Automobile Engineering

• Professor and Head, Department of Mechanical Engineering, B S Abdur Rahman University, Vandalur, Chennai – 600 048, Tamil Nadu, India from July 2015 to May 2017.

• Head of the Department (i/c), Department of Automobile  Engineering, B S Abdur Rahman University, Vandalur, Chennai – 600 048, Tamil Nadu, India from January 2013 to July 2013.

•  

  Head of the Department (i/c), Department of Aeronautical Engineering, B S Abdur Rahman University, Vandalur, Chennai – 600 048, Tamil Nadu, India from October 2010 to April 2011.

• Programme Incharge (PIC) for Indira Gandhi Open University (IGNOU) for two Programme B.Tech. Mechanical and DME from Jan 2007 to June 2017.

Conferences Attended

• Attended a Second International Conference on Emerging Trends in Materials, Computing and Communication Technologies (ICETMCCT 2021) from 09.12.2021 to 10.12.2021 at Annai Vailankanni College of Engineering, AVK Nagar, Pottalkulam.
• Attended an International Conference on Advances in Renewable and Sustainable Energy Systems (ICARSES 2020) from 03.12.2020 to 05.12.2020 at SRM Institute of Science and Technology, KTR Campus,
  Chennai.
• Attended a National Conference on “Advances in Materials, Design and Manufacturing” , B. S. Abdur Rahman University on April 17th , 2013

FDPs Attended

• FDP on “Outcome based Education” by N J Rao” from 23.09.2023 to 24.09.2023 Organized by SRM Institute of Science and Technology in Association with M/s Quiklrn Pvt Ltd.
• Four days online FDP on “Current Trends in Mechanical Engineering” from 22-07-2020 to 25-07-2020 at S J M Institute of Technology Chitradurga – 577502
• One week online FDP on “Recent Research Developments in Materials Engineering and Mechanical Design” from 21.07.2020 to 25.07.2020 at St. Joseph’s College of Engineering, Chennai.
• Six days online FDP on “Recent Innovations and Futuristic Scope for Research in Internal Combustion Engines” from 29.06.2020 to 04.07.2020 at Vishnu Institute of Technology, Andra Pradesh.

Short- Term Courses / Workshops / Seminars Attended

• Attended one day Indo-US Seminar on “Research Prospective for University Excellence- A US model for India” organized by Department of Manufacturing Engineering, College of Engineering Guindy, Anna University on August 10, 2009.
• Attended one day workshop on “Workshop on Curriculum Development for B.Tech Automobile Engineering Program” organized by Department of Mechanical Engineering, B S Abdur Rahman University on 12th March 2011
• Attended one day workshop on “Workshop on Curriculum Development for B.Tech Aeronautical Engineering Program” organized by Department of Aeronautical Engineering, B S Abdur Rahman University on 2nd April 2011
• Attended one day Indo- German workshop on “Recent Developments in Large Scale Solar Thermal Systems” jointly organized by IES & AU FRG of Anna University on 28th June 2011
• Attended a seminar on “What is Mechanical Engineering all about?” by Mr. John Devadasan, Chief Operations, M/s Appllo Tyres Ltd on August 11th, 2011
• Attended a seminar on “Solar Energy” by Dr. Nikolay V. Kharchenko, Visiting professor, SRM University on April 11th, 2012
• Attended a one day seminar on “Tamil Nadu Manufacturing Summit” organized by CII held on 7th March 2012 at Hotel Park Sheraton, Chennai
• Attended a seminar on “Solar Energy” by Dr. E. Natarajan, Professor, IES, Anna University on March 12th, 2013
• Attended a National Conference on “Advances in Materials, Design and Manufacturing” , B. S. Abdur Rahman University on April 17th, 2013
• Attended a Lecture on “Challenges faced in Forging Operations” by Mr.  K. Muthiah, Manager, M/S Auto Forge Private Limited during the Inaugural function of Societies conducted on 05 Sept 2013
• Attended a guest Lecture on “Virtual Manufacturing“ by Mr. Albert Einstein, Managing Director Design Tech Private Ltd, during the inaugural function of the National Level Symposium “CONFLUENCE 2013” conducted on 03 October 2013
• Attended a guest Lecture on “Opportunities for HVAC Engineers” by Mr. V. Sankaranarayanan, President, ISHRAE on April 26 th 2014
• Attended a Keynote Lecture on “ Role of Civil Engineers in Green Building” by Dr. R. Velraj, Professor and Director, IES, Anna University, in the National Conference on “Futuristic Innovations and Emerging Trends in Civil Engineering, FIETCE’14″during 5 – 6, May 2014
• Attended 3 day workshop on “Quality Assurance” conducted by Faculty Training Academy of B S Abdur Rahman University during 13- 16 July 2015.
• Attended one day workshop on “How to patent your invention” conducted by SRM University, Vadapalani Campus, Chennai-26 in association with National Institute for Quality and Reliability on 14 th November 2017.
• One day workshop on “Academic Book Writing and Related Topics” organized by Springer Nature on 22.05.2020
• FDP on “Outcome based Education” by N J Rao” from 23.09.2023 to 24.09.2023 Organized by SRM Institute of Science and Technology in Association with M/s  Quiklrn Pvt Ltd.

Session Chair

• Acted as Chairman for the Paper Presentation in the Energy Session of the 2nd International Conference on “Emerging Trends in Energy and Environment (ICETEE)”, organized by Sri Sairam Engineering College, Chennai in 2014
• Session chair for online International Conference on “International Conference on Advances in Renewable and Sustainable Energy Systems (ICARSES 2020) from 03.12.2020 to 05.12.2020 at SRM Institute of Science and Technology
• Session chair for online International Conference on “International Conference on Advances in Thermal Engineering and Applications (ICATEA-2021) from 19.03.2021 – 20.03.2021 at SRM Institute of Science and Technology, KTR Campus, Chennai.

• Completed online Course on “Renewable Energy and Green Building Entrepreneurship” conducted by Duke University through Coursera Platform on 25.04.2020 with 95.9 percentage Grade

• Completed online Course on “Beyond the Sustainable Development Goals (SDGs): Addressing Sustainability and Development” conducted by University of Michigan through Coursera Platform on 04.05.2020 with 98 percentage Grade

• Completed three week online Course on “Air Pollution – a Global Threat to our Health” conducted by University of Copenhagen through Coursera Platform on 16.05.2020 with 100 percentage Grade

• Completed three week online Course on “Quantum Mechanics” conducted by University of Colorado through Coursera Platform on 18.05.2020 with 100 percentage Grade

• Completed online Course on “Introduction to Thermodynamics: Transferring Energy from Here to There” conducted by University of Michigan through Coursera Platform on 08.05.2020 with 100 percentage Grade

•  

  Completed three week online Course on “The Sustainable Development Goals – A global, trans disciplinary vision for the future” conducted by University of Copenhagen through Coursera Platform on 29.04.2020 with 100 percentage Grade

• Strength of Materials with Elite Grade (Reg. No. NPTEL18CE17S11211000), November 2018
• Engineering Thermodynamics with Elite Grade (Reg. No. NPTEL 19CH01S11170754),  April 2019
• IC Engines and Gas Turbines with Elite Grade (Roll No. : NOC19ME10S31221909), May 2019

• SESI – Life Member – Membership No. 0799/LM/98
• The Indian Science Congress – Membership No. A6564
• NIQR – Life Member – Membership No.