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1 2006

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Circumfluence of the cylinder in a non-conventional combustion engine

Hlavňa V., Sojčák D.

Journal of KONES

2006

Vol. 13, No. 2

111-115

When solving the project "A non-conventional energetic unit equipped with a cooling combustion engine" it was necessary to deal with flow and transfer of heat along the cylinder liner The contribution is a continuation of already published results gathered from experiments focused on the circumfluence of the combustion engine cylinder by a traditional cooler. The paper points out heat flows, velocity profiles, and turbulent intensity during the cylinder liner circumfluence by a non-conventional cooler – lithium bromide. Non-conventional cooling circuit of the engine, physical properties of the coolant for the engine (including specific heat capacity, absolute viscosity, density and thermal conductivity), model net, adaptation in the boundary layer area, velocity field in the vicinity of the inserted cylinder and the liner temperature profile from the side soaked with fluid, pressure field in the inserted cylinder chamber and temperature field of heat transfer, turbulent intensity on the cylinder liner and streamlines of the flow field are presented in the paper.The examined combustion engine will be able of a long-term operation when the alternate coolant is used