Diesel Engine Compression Demonstration

This is a demonstration used to show the principle of heat of compression. This is the physical process that makes Diesel engines possible. To work the demonstration, a small sample of cotton is placed in the chamber. The plunger is then forced down and held in place with considerable force. The air in the chamber is forced into a very small volume, thus heating the air above the flash temperature of the Cotton. The same process take place in a Diesel engine, but the fuel is oil. The Diesel engine is much more efficient that a gasoline engine. This image is part of a sequence showing the chamber before and after ignition..

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Filename: K12-combustion8020.jpg
Copyright: Ted Kinsman / Science Source Inc.
Image Size: 3744x5616 / 5.8MB; internal combustion combustion flame thermodynamics pressure volume pressure volume diagram p-V Diagram engine Rudolf Diesel diesel engine diesel Combustion Power Engine burn burning compression thermodynamic compression compression-ignition engine ignition cotton Ideal Diesel cycle heat heat of compression ignition fuel combustion chamber chamber physics demo demonstration engine chemistry gas gas compression gas laws
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This is a demonstration used to show the principle of heat of compression. This is the physical process that makes Diesel engines possible. To work the demonstration, a small sample of cotton is placed in the chamber. The plunger is then forced down and held in place with considerable force. The air in the chamber is forced into a very small volume, thus heating the air above the flash temperature of the Cotton. The same process take place in a Diesel engine, but the fuel is oil. The Diesel engine is much more efficient that a gasoline engine. This image is part of a sequence showing the chamber before and after ignition..