COMBUSTION ENGINES

luciavilchez
Mind Map by , created over 5 years ago

Mind Map on COMBUSTION ENGINES, created by luciavilchez on 05/13/2014.

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luciavilchez
Created by luciavilchez over 5 years ago
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COMBUSTION ENGINES
1 EXTERNAL COMBUSTION ENGINES
1.1 They started to be used about 300 years ago
1.1.1 It was used in textile industry, in steam boats and in steam trains
1.2 In a chamber outside the engine called the boiler, fossil fuels were burned to boil water, resulting in the production of steam.
1.2.1 THE PRESSURE COULD BE USED TO:
1.2.1.1 move a piston
1.2.1.2 transform heat energy into mechanical energy
1.3 Steam turbines transform pressurized steam, turning its blades in a rotation movement
1.3.1 This rotation movement is generally used to generate electricity.
2 INTERNAL COMBUSTION ENGINES
2.1 PISTON ENGINES
2.1.1 Fossil fuel combustion is produced inside the engine and the explosion achieved are used to move a piston with a lineal motion.
2.1.1.1 up and down
2.1.1.2 back and forward
2.1.2 Spark-ignition engines.
2.1.3 Compression-ignition engines.
2.2 ROTARY ENGINES
2.2.1 internal combustion engines in which the combustion generates directly a rotary movement. It is not necessary the use of pistons. The crankshaft remained stationary and the entire cylinder block rotated around it.
2.2.1.1 Wankel engine.
2.2.1.2 Gas turbines and jet engines.

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