IMPROVEMENT OF INTERNAL COMBUSTION ENGINES COOLING BY CHANGING THE PATTERN OF COOLANT INLET

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Abstract

Internal Combustion Engines (ICE) are heat engines that heat transfer plays important role in their performance and efficiency. In an IC Engine, the cooling system is responsible to remove additional heat from the engine. The cooling system of an ICE consist of many parts that water jacket of the cylinder block and cylinder head of the engine is one of them. In this paper, the effect of redesigning of coolant inlet and outlet location on the temperature distribution of the engine body, engine coolant and water pump power is investigated. Both hydraulic and thermal governing equation is solved numerically. After the simulation and validation of the coolant flow in the water jacket, some changes in location of coolant inlet are considered. The obtained results show that both the pressure gradient and the flow rate of the coolant will reduce when the new inlet locations are used. It was showed that, the reduction of the pressure gradient and the flow rate, decreased the input power of the water pump and consequently increased the output power of the engine. The proposed idea in this paper can be used in the intelligent cooling systems of the internal combustion engines.

Keywords

Journal of Modeling in Engineering
Volume 9, Issue 25
August 2011
Pages 67-75

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History

  • Receive Date: 28 January 2017
  • Revise Date: 22 July 2024
  • Accept Date: 28 January 2017

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