SPH 302 LESSON 5: Heat engines and the Carnot cycle

Institution	TOM MBOYA UNIVERSITY
Course	EDUCATION
Year	3rd Year
Semester	Unknown
Posted By	Brian Mike
File Type	pdf
Pages	12 Pages
File Size	464.06 KB
Views	6877
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A heat engine, or more simply, an engine, is a device that extracts energy from its environment in the form of heat and does useful work. At the heart of every engine is a working substance. In a steam engine, the working substance is water, in both its vapor and its liquid form. In an automobile engine, the working substance is a gasoline–air mixture. If an engine is to do work on a sustained basis, the working substance must operate in a cycle; that is, the working substance must pass through a closed series of thermodynamic processes, called strokes, returning again and again to each state in its cycle.

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