الفهرس 
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Abstract
The functionality and performance of an internal combustion engines thermal management system can be significantly enhanced through the application of mechatronics technology. The replacement of the conventional thermostat valve and mechanical coolant pump in the cooling system by a servo-motor-driven smart valve and variable flow pump pennits electrically controlled system regulated coolant flow through the engine block and radiator.
The present work is dealing with studying experimentally and theoretically the steady state and transient characteristics of the electronically controlled automotive engine cooling system. The models have been built up within the MATLAB -SIMULINK environment and Experimental work has been conducted to investigate the performance of the electronically controlled automotive engine cooling system.
While theoretical study aims to develop a simulation program, based upon the governing equations representing the real system behavior during different engine speeds and loads, the validity of the simulation program is also checked by comparing the theoretical results with the corresponding experimental ones. The theoretical and experimental results showed good agreement.