Pedagogical Visualization of a Nonideal Carnot Engine

Figure 1

Schematic illustration of the Curzon-Ahlborn engine. The symbols are explained in the text. The zigzag arrows indicate the heat losses in the isotherms. The process operating between 𝑇_ℎ𝑤 and 𝑇_𝑐𝑤 is an ideal Carnot engine.