The temperature of the refrigerant in the cylinder working with large amplitude variation. End loader temperature process about 214 420 [0K] but when fire reaches 1750 2800 values [0K]. The maximum temperature of the material allows for the details of the combustion chamber space is limited, and lower than the maximum value of the combustion gases due to several reasons. Therefore need to cool the cylinder cover, cylinder and piston. In the process of working, the heat flow to the combustion chamber wall can be up to 10 MW / m2 during the fire. However, during other portions of the work cycle, the heat flow is essentially equal to 0.
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