- Published Paper in Elsevier Journal of Adv Research in Dynamical & Control Systems, Vol. 10, 04-Special Issue, 2018 with Title “A Study to Analyze the Performance and Emission Characteristics of Single Cylinder Four Stroke Compression Ignition (CI) Engine”.
- Published Paper in Scopus Indexed International Journal of Mechanical Engineering and Technology (IJMET), Volume 9, Issue 3, March 2018 pp. 857-864 with Title “Performance and Emission Characteristics of Single Cylinder Diesel Engine Biodiesel”.
- Published Research article “A Systematic Approach for Biofuel Production from Household Leftovers by Thermochemical Decomposition” in Journal of Advances in Mechanical Engineering and Science, Vol.3(4) 2017, pp.1-10.
- Ravi Kumar, Dr. K. Rajagopal, Dr. R. Hari Prakash, Dr. B.Durga Prasad “Performance of C.I Engine Using Blends Of Methyl Esters Of Palm Oil with Diesel.” Journal of Engineering and applied Sciences 3(3)217-220,2008.
- Ravi Kumar, Dr. Dutta Maheswar and Dr. Puli Ravi Kumar “Performance Of IC Engine Using Vegetable Oil. p.440 “ Proceedings of International Conference of IC Engines and Combustion (ICONICE), JNTU, Hyderabad, Dec 6-9-2007.
- K. Rajagopal, Dr. B. Durga Prasad, Dr. D. Maheswar, P. Ravi Kumar, “Performance and Analysis of Jathropa Methyl Easters Diesel blends in Computerized and Four Stroke Diesel Engine Test Rig. P.213” Proceedings of the International Conference and Exhibition on emerging challenges in Design and Manufacturing Technologies 2007 Volume – I Organized by Sathyabama University in Jeppiaar Nagar, Chennai on 28 – 30 of November 2007.
- Ravi Kumar, Dr. K. Rajagopal, Dr. Puli Ravi Kumar, Dr. R. Hari Prakash,Dr.Dutta Maheswar ” Experimental Studies Of Energy Appropriation In A Single Cylinder Diesel Engine Using Cotton Seed Oil” Journal Of Institution Of Engineers (India).
- Ravi Kumar r, Dr. K. Rajagopal, Dr. Puli Ravi Kumar, Dr. R. Hari Prakash,Dr.Dutta Maheswar” Experimental studies Of Energy Appropriation In A Single Cylinder Diesel Engine Using Palm Oil” Journal Of Institution Of Engineers (India).