Question: A TS-Diagram (a) Graph a Carnot cycle, plotting Kelvin temperature vertically and entropy horizontally. This is called a temperature-entropy diagram, or TS-diagram. (b) Show that

A TS-Diagram
(a) Graph a Carnot cycle, plotting Kelvin temperature vertically and entropy horizontally. This is called a temperature-entropy diagram, or TS-diagram.
(b) Show that the area under any curve representing a reversible path in a temperature-entropy diagram represents the heat absorbed by the system.
(c) Derive from your diagram the expression for the thermal efficiency of a Carnot cycle.
(d) Draw a temperature-entropy diagram for the Stirling cycle, described in Problem 20.50. Use this diagram to relate the efficiency of the Carnot and Stirling cycles.

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