The observer position is stationary with respect to the control volume
surrounding the drive motor, in this case, the ship’s propulsion engine. In the simplest view, in the
control volume the fuel and the air are entering, while combustion products, work
W
and heat
1
Q
and
2
Q
are taken away at different temperatures T1 and T2. For greater accuracy it is taken that the cylinder
oil enters to control volume, and, with combustion products exit emissions as a small values of
environmentally influential substance.
The observer position is stationary with respect to the control volumesurrounding the drive motor, in this case, the ship’s propulsion engine. In the simplest view, in thecontrol volume the fuel and the air are entering, while combustion products, work Wand heat 1Qand 2Qare taken away at different temperatures T1 and T2. For greater accuracy it is taken that the cylinder oil enters to control volume, and, with combustion products exit emissions as a small values ofenvironmentally influential substance.
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