Suppose that two heat engines are connected in series,
Chapter , Problem 87(choose chapter or problem)
Suppose that two heat engines are connected in series, such that the heat released by the first engine is used as the heat absorbed by the second engine, as shown in Figure 19-22. The efficiencies of the engines are and respectively. Show that the net efficiency of the combination is given by enet _ e1 _ e2 _ e1e2
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