Motorcycle engine cooling system matching research and experimental verification
In order to provide a method reference for the matching research of motorcycle engine cooling system,a two cylinder engine cooling system of a certain motorcycle was taken as the research object.The matching research of the engine cooling system was carried out from the aspects of the component flow resistance performance,determining the cooling system flow rate,and optimizing the selection of various components.A comprehensive cooling system simulation analysis and experimental testing system was established,providing a method reference for the matching research of the same type of motorcycle engine cooling system.The results show that the error between the simulated and experimental values of the working flow rate of the cooling system obtained by using the one-dimensional simulation analysis is small,which verifies the reliability of the matching results of the cooling system flow rate.The internal flow velocity distribution of the cooling water jacket is good,and there is no flow dead zone,which can provide more uniform cooling for each cylinder.The results of the engine bench thermal balance test show that the temperature of the spark plug gasket in the left and right cylinders is 185℃and 187℃,respectively,at the highest engine speed of 9 000 r/min,which is controllable and there is no significant difference.The established forward design and development process for the engine cooling system can be applied to the design of the same type of engine cooling system,ensuring efficient engine cooling.
motorcycle enginecooling systemflow resistance characteristicsdevelopment process
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