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Home : Science : Technology : Energy : Devices : Internal Combustion Engines
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.
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.
Sites in Internal Combustion Engines
Miller: How Does a Miller Cycle Engine Work?
Brief, clear explanation of the essence of this Otto cycle variant, with some links. [HowStuffWorks]
Ceramic Engine Technology
Describes internal combustion piston engine built of Silicon material: treats advantages and costs; some small physics errors.
GE Aircraft Engines
Manufacturer of marine, industrial and aircraft jet engines. Specifications and other information on their complete line of engines.
ASME: Internal Combustion Engine (ICE) Division
American Society of Mechanical Engineers: promoting the art and science of mechanical engineering of engines, encouraging and fostering research and development, and summarizing and publishing reliable data on these topics since 1921.
How Automobile Ignition Systems Work
Colorful animations show how ignition systems must work in perfect concert with the rest of an Otto cycle engine. Explains difference between 'hot' and 'cold' spark plugs. [HowStuffWorks]
GM Powertrain
Manufactures engines, transmissions, castings, and components for GM cars and trucks, and for non-GM OEMs. Extensive engine and transmission specifications and motorsports news.
The IrYdium Project: Internal Combustion Engine Simulator
At Carnegie Mellon University. Visual applet simulating a four-stroke Otto cycle, with user-changeable parameters.
Miller: The Inside Story on the Miller Cycle Engine
Explains why Miller cycle (forced induction Otto cycle) is more efficient than pure Otto cycle: it reduces the effective compression stroke. Mazda makes and sells cars, some with Miller engines. [Mazda Australia]
Unusual Engines
Inventor treats some engine types and subsystems not found in standard textbooks, that were commercial failures, but which have technical advantages over common practice; some pollution effects of current engines; advice for inventors.
SwRI
SwRI examined the cylinder heads taken from a natural gas-fueled 60-kW cogeneration set engine with 15,000 hours of operation, evaluated the condition of the cylinder heads compared.
Hetex Engines, Inc.
Research company to develop and market recuperative engine (heat exchanger based) to raise efficiency and cut costs for portable power needs. Ignites wider range of fuel-air ratios than Otto engine: can be controlled by leaning fuel input rather than wasteful induction throttling.
Concept Engine
Lists, links, briefly describes many engine design concepts, sorted by nation, and some engine related systems; details: Concept IC Engine, designed to raise fuel efficiency and performance, Rotary Pulse Jet Engine, gas turbine for ground vehicles.
CKE Radial Engine
Five cylinders, five valves per cylinder driven by in-head cams. Based on multicylinder, multibank radial engines used in old, pre-jet aircraft; well researched, prototype exists and is tested, air and oil cooled.
Orbital Engine Co. Pty. Ltd.
Intellectual property developer, and engineering services provider, focus: direct fuel injection technology to raise fuel economy, cut exhaust emissions. Western Australia.
How Car Engines Work
Explains basics of Otto cycle (spark ignition, gasoline) engines well, with a useful animation. [HowStuffWorks]
EVIC-111 Mk1
Electronic Valve Internal Combustion: investigate, demonstrate high speed camless, electronics actuated valves, internal combustion, 4-cycle, Otto cycle, 1 cylinder, model engine, book and kit about this significant technology.
Engine Technology Progress in Japan
Periodic publications of Japanese technical papers and conference reports on engine and fuel technology development research and development. |
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