Georgia State University
Georgia State University: Hyper Physics: Heat of Fusion
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.
Physics Aviary
Physics Aviary: Practice Problems: Efficiency of an Engine
Determine the efficiency of an engine (0 - 1) based on the energy flow that is presented to you.
Sophia Learning
Sophia: Bill Nye Demonstration: The Stirling Engine
Learn about the Stirling Engine as Bill Nye demonstrates how it works. [3:24]
Physics Aviary
Physics Aviary: Engine Challenge
Checks that students understand the steps involved in an internal combustion engine.
Physics Aviary
Physics Aviary: Ideal Engine Lab
This lab is designed to have students examine how the temperature of the heat source and the temperature of the coolant effect the efficiency of the ideal engine.
University of Sydney (Australia)
Thermal Physics Module: Refrigerators and Heat Pumps [Pdf]
Refrigerators and heat pumps are described. Their operation is explained and the variables which improve their efficiency is discussed.
Science4Fun
Science4 Fun: Diesel Engine
Illustrated discussion on how the diesel engine was invented and how it works.
University of Sydney (Australia)
Thermal Physics Module: Heat Engines [Pdf]
The second law of thermodynamics and the concept of entropy is applied to the topic of heat engines. The Carnot and Stirling engine are discussed. Efficiency is explained and an equation is derived.
Upper Canada District School Board
Tom Stretton's Chemistry Pages: Heat and Work Engines
Find out some history behind engines, and learn how thermal energy and work play a part in how engines run.