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مکانیک::
رینگ پیستون، رینگ پیستون
(a) Calculate the mass fraction of the cylinder gas which is in the crevice between the piston and cylinder wall and above the first piston ring, at the time of peak pressure.
: "Measurement of Oil-Film-Thickness between Piston Ring and Cylinder," SAE paper 830068, SAE Trans.
Heat is transferred by conduction through the cylinder head, cylinder walls, and piston; through the piston rings to the cylinder wall; through the engine block and manifolds.
A substantial part of the friction power (about half) is dissipated between the piston and piston rings and cylinder wall and is transferred as thermal energy to the cooling medium.
: "Temperature Distribution of Piston Rings and Piston in High Speed Diesel Engine," Bull.،(a) Calculate the mass fraction of the cylinder gas which is in the crevice between the piston and cylinder wall and above the first piston ring, at the time of peak pressure.
: "Measurement of Oil-Film-Thickness between Piston Ring and Cylinder," SAE paper 830068, SAE Trans.
Heat is transferred by conduction through the cylinder head, cylinder walls, and piston; through the piston rings to the cylinder wall; through the engine block and manifolds.
A substantial part of the friction power (about half) is dissipated between the piston and piston rings and cylinder wall and is transferred as thermal energy to the cooling medium.
: "Temperature Distribution of Piston Rings and Piston in High Speed Diesel Engine," Bull.
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