A study has been conducted on a small engine cooling system in order to find a way to reduce common overheating problems at idle conditions and high engine speeds with restricted airflow. The system flow rates, pressure, and temperature characteristics were monitored at different positions in the system while engine speed was varied. The results show that by adjusting the flow rates according to certain variables, the overall effectiveness of the system is increased and overheating problems can be eliminated. The findings also show that this adjustment can be accomplished by incorporating a controllable electric water pump into the design. Dynamometer testing has also been conducted to show that, in addition to controlling flow rates, the use of the electric pump also possesses the potential of increasing the power output of the engine.
Small Engine Cooling and the Electric Water Pump
Sae Technical Papers
Small Engine Technology Conference & Exposition ; 2004
2004-09-27
Conference paper
English
Electric water pump for engine cooling
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