The diesel engine in the diesel generator set is the output part of the power. Using diesel as fuel, the sprayed mist diesel burns and expands by the high temperature and high pressure air formed in the cylinder to convert heat energy into mechanical energy. It completes a working cycle through the four processes of air intake, compression, work, and exhaust, and is also called a four-stroke engine. In order to reduce the temperature of the parts, the body is filled with water channels, and the water cooling unit is driven by the water pump, which is called a water-cooled unit . Low-power engines also use air to cool the engine, which is called an air-cooled unit .
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