Science Technology Energy Devices Internal Combustion Engines
Internal combustion (IC) engines are prime movers that use a Carnot cycle. They are heat engines and use a temperature difference to do work. They burn compressed mixtures of air and fuel. IC engines have relatively high power to weight ratios, and are far more autonomous than electric motor prime movers. All prime movers have many uses. IC engines are used for: transport vehicles (motorcycles, automobiles, trains, aircraft, boats/ships), electric generators (mobile, fixed), pumps (mobile, fixed), gas compressors, construction vehicles (cranes, earthmovers, pavers) and equipment (crushers, mixers), agriculture vehicles (tractors, harvesters/combines), gardening vehicles (tractors) and equipment (mowers, chain and rotary saws, tillers, mulchers, chippers, blowers, snow throwers/blowers), recreation vehicles (model aircraft, boating, automobile racing, RVs) and more.

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Features technical articles and several calculation tools for evaluating the thermodynamic efficiency of engines.
Carnot Cycle
Explains the basics of the Carnot cycle. Includes thermodynamic diagrams and theorems.
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Describes different engine design concepts, sorted by nation, as well as some support systems. Addresses efficiency and performance, insights, characteristics, with pictures and animations.
CSU Engine Web Pages
Thermodynamics, heat transfer and fluid mechanics in internal combustion engines. Applets are used to perform simple calculations. Developed at Colorado State University.
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Explains the strokes of internal combustion engines using animations from the Glenn Research Center.
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Explains the basics of ignition systems in Otto cycle engine. Includes technical animations and drawings.
HowStuffWorks: How Car Engines Work
Explains the basics of Otto cycle engines. Include technical drawings and animations.
HowStuffWorks: How Does a Miller Cycle Engine Work
Explains the technical and historical background of the Miller cycle.
Improve MPG: The Factors Affecting Fuel Economy
Presents a methodology to assess engine's performance as well as one's own driving habits to improve driving efficiency.
Kruse Limited Temperature Cycle
Describes an innovative thermodynamic engine cycle which limits peak combustion temperature in direct injection petrol, gasoline and diesel engines. Includes engine cycle overview and description, references, diagrams and patents.
Wikipedia: Carnot Heat Engine
Free encyclopedia article explaining the Carnot cycle, with emphasis on engines.
Wikipedia: Internal Combustion Engine
Free encyclopedia article covers internal combustion engine technology and applications. Addresses operation modes, thermodynamic cycle and efficiency, fuel types, support systems and parts.
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Last update:
September 9, 2016 at 8:54:05 UTC
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