subject: Another Star Of The Diesel Engine - Internal Combustion Engine Family [print this page] Diesel Engine and Gasoline Engine carried out at the same time, they have many of the same point. Carried out of the Diesel Engine and Gasoline Engine, many similarities can be carried out in the history of the entire internal combustion engine, they are mutually promote. Many places in real life used in diesel and gasoline engine to generate electricity, also known as diesel generators and Gasoline Generator.
Dr. German Diesel Engine tightening ignition tightening machine technology patents in the 1892 and 1897 made the first tightening ignition "Diesel" internal combustion engine, namely diesel.
TheDiesel Engine's high-tightening has brought many advantages:
1, can not only eliminating the carburetor and ignition installation, progress of the thermal efficiency, but also to use than the much cheaper petrol diesel as fuel.
2, Diesel Engines due to its tight than the maximum power point, low fuel consumption per unit of power. Modern excellent launched machine, diesel fuel consumption is about 70% of the gasoline. Particularly like a car, usually in partial load conditions driving the fuel consumption of approximately 60% of the gasoline engine. The diesel engine is the highest thermal efficiency of internal combustion engine.
3, Diesel Engine crunch is high, and launched a sturdy machine, it is durable, long life.
While the high-tightening has also brought defects:
The structure of the Diesel Engine is heavy. Usually the quality of the diesel power unit is about 1.5 to 3 times that of the gasoline. Diesel crunch is high and the burst pressure is also high, about 1.5 times of up to gasoline (non-pressurized condition). To accept the high temperature and pressure, on the request of rugged construction. So the diesel engine was initially launched as a fixed machine use.
2, the same displacement, the engine output power is about 1/3 of the Gasoline Engine. Because diesel fuel directly injected into the cylinder, not abundant application of air, the corresponding power output. Assumed the air of gasoline application rate of 100%, then the diesel engine only 80% to 90%. Another reason small Diesel Engine power output is tightening than large, initiated by the friction loss of gasoline. This is proportional to the friction loss and speed, can not hope to progress in power after the increased speed. The speed of the highest gasoline per minute operation for more than 10,000 times (such as the car launched machine), while the maximum speed of the diesel engine as long as 5000r/min.
by: sunnies
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