Diesel engines are some kind of internal combustion engine, the chemical energy of the fuel cylinders converts mechanical energy. To 70000 hp from a few horsepower (horsepower) These engines are the highest efficient heat machines of today. Diesel machines in thermal power plants to produce electrical energy, land transportation Diesel locomotives, trucks, trucks and buses in the field and the ship that constitutes our topic It is widely used in systems. These machines; Petroleum, Forest-Kerreste, They are also very important tasks in mining and agricultural areas. In 1936, while the diesel engine of 6 million horsepower was used in 1936 This amount is 85 million horsepower with those used in military fields in 1947. rose. In 1956, 20 million horsepower diesel engines were built. 1980 In the year only to merchant ships, the power of diesel engines is approximately 15 million hp (horsepower) rose to. A percentage of diesel machines diesel oil or marine diesel oil called diesel is operated with. However, in recent years “ Bunker C ” or because of their cheap in Fuel province In increasingly increasing rate of heavy -speed and high -power ship in diesel engines is used. Diesel engines, compressed and sprayed into the air increased by pressure and temperature It works according to the principle of spontaneous ignition of the burning. The transformation of heat to work according to this principle As follows: Clean air is absorbed into the machine cylinders and filled. Piston The pressure of the air compressed by and the temperature attached to it increases. As compression ratio The pressure is 28-40, the atmosphere and the temperature are around 450-650 ° C (Celsius degrees). Angry The air spraying into the air holds spontaneously. Because the ignition of diesel burns The temperatures are around 280-365 degrees Celsius. Thus, the ignition follows the burning and 40- 80 Horse pressure and gases at 1400-1900 degrees Celsius temperature are formed. This is high pressure Piston hot gases piston, if any piston rod, the connection of the rod (rod) with the help of the crankshaft transfer. During this event, most of the energy formed by the burning of the fuel is the crankshaft It is converted into mechanical energy that allows it to rotate. The crankshaft is transmitted to him If the movement serves as a propeller, the propeller, an auxiliary machine or a Transfers to the electrical generator. Work strokes (time) as a result of pressure and temperatures decreasing gases thrown out of the cylinder and filling the cylinders with fresh air for a new cycle repeat.
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