Georgia State University: Hyper Physics: Heat Engine Concepts

Georgia State University Physics Department privides an incredibly thorough treatment of the laws of thermodynamics. Multiple pages; many informative graphics; opportunities to practice problems and receive immediate feedback.

Schematic diagrams illustrating the operation of a four-stroke engine cycle. Interactive buttons allow you to step through the various steps of each engine cycle. Each graphic is accompanied by an excellent explanation.

The Carnot cycle is described, illustrated and explained. The Carnot efficiency equation is given and interactive JavaScript form allows the visitor to investigate the effect of the reservoir temperature and the sink temperature upon the...

The heat engine cycle is defined and discussed. So pressure-volume diagrams are introduced and their use in depicting the cycles of a heat engine is demonstrated. Informative graphics are accompanied by reason-filled explanations.

[Free Registration/Login Required] Having trouble understanding the energy transfer in heat engines? This simulation allows students to learn about the conversion of heat energy to mechanical energy in the context of heat engine.

Heat flow from a hot region to a cold region is described and explained. Applications of this phenomenon (specifically heat pumps and refrigerators) are discussed. Excellent graphics.

This site from Georgia State University Physics Department defines and explains the concept of potential energy. Using equations and graphics to illustrate the idea, it discusses the many types of potential energy (gravitational,...

This site from Georgia State University Physics Department defines kinetic energy and compares and contrasts it with other forms of energy. Provides an equation and links to further, more-detailed information.

How can heat power an engine? Scholars observe a heat engine working and control variables to determine the most efficient setup. They change the amount of heat input as well as the stroke length. Energy efficiency numbers prove the...

The heat of fusion is defined and described. A graphical representation of the heat of vaporization is given. A method for measuring and calculating the heat of fusion is also presented and explained.