Thermal engines, the theory of piston engines, ecology, the heat transfer theory
Main publications:
R. Z. Kavtaradze, “Improving the Ecological Indices of a Hydrogen Diesel Engine with Direct Gaseous Hydrogen Ingection”, Journal of Machinery Manufacture and Reliability, 45:4 (2016), 307–315
R. Z. Kavtaradze, T. M. Natriashvili, A. A. Zelentsov, Innovative Methods for Improvement of Technical, Economic and Ecological Efficiency of Motor Cars, Ignition Delay and Emission of the Noxious Substances in Double-Fuel Engines Working on the natural Gas and Syngases//Chapter 15 (p. 109–120) in the Book, NOVA-Publishers, New-York, 2015
R. Kavtaradze, A. Zelentsov, S. Gladyshev, R. Z. Kavtaradze, D. Onishchenko, “Heat Insulating Effect of Soot Deposit on Local Transient Heat Transfer in Diesel Engine Combustion Chamber”, SAE International Paper, 2012, no. 2012-01-1217, 1–12