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
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Description

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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