The diesel engine gas experiment: The main fuel of the diesel engine is diesel. Generally, light diesel oil is used in high-speed diesel engines; Light diesel or heavy diesel is used for medium and low-speed diesel engines. Diesel engines use fuel injection pumps and injectors to inject fuel into the cylinders at high pressure. The injected fuel is in a mist form and mixes with the air for combustion. Therefore, diesel engines can use heavy fuels with poor volatility or inferior fuels, such as crude oil and residual oil, for combustion.
When burning crude oil and residual oil, in addition to filtering out impurities and moisture, the oil supply system should also be preheated and insulated to reduce viscosity, so as to facilitate transportation and injection. Diesel engines can also burn light fuels such as ethanol, gasoline and methanol if they adopt a certain suitable combustion chamber. To improve the ignition property of light fuel, additives can be added to increase the cetane number, or it can be mixed with diesel for use. Some gaseous fuels (such as natural gas, liquefied petroleum gas, biogas and generator gas, etc.) can also be used as fuel for diesel engines, but in such cases, gaseous fuels are usually the main fuel, with a small amount of diesel used for ignition. This type of engine is called a dual-fuel internal combustion engine.
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Post time: May-26-2025