In the course of each cycle, the engine would take in an amount of heat \(Q_h\) from a “hot reservoir,” give off (or “exhaust”) an amount of heat |\(Q_c\)| to a “cold reservoir,” and produce an amount...In the course of each cycle, the engine would take in an amount of heat \(Q_h\) from a “hot reservoir,” give off (or “exhaust”) an amount of heat |\(Q_c\)| to a “cold reservoir,” and produce an amount of work |\(W\)|. (I am using absolute value bars here because, from the point of view of the engine, \(Q_c\) and \(W\) must be negative quantities.) At the end of the cycle, the engine should be back to its initial state, so \(\Delta E_{engine} = 0\).
In the course of each cycle, the engine would take in an amount of heat \(Q_h\) from a “hot reservoir,” give off (or “exhaust”) an amount of heat |\(Q_c\)| to a “cold reservoir,” and produce an amount...In the course of each cycle, the engine would take in an amount of heat \(Q_h\) from a “hot reservoir,” give off (or “exhaust”) an amount of heat |\(Q_c\)| to a “cold reservoir,” and produce an amount of work |\(W\)|. (I am using absolute value bars here because, from the point of view of the engine, \(Q_c\) and \(W\) must be negative quantities.) At the end of the cycle, the engine should be back to its initial state, so \(\Delta E_{engine} = 0\).
