Engine Fuel Alcohol Chemical Characteristics

According to the physical and chemical characteristics of alcohol fuels, in order to ensure that the power does not drop compared with the use of pure methanol fuel compared with diesel and gasoline, the corresponding changes in the oxygen content of the air should satisfy the following formula: Ratio) (compared to gasoline) Compared to the use of pure ethanol fuel and diesel and gasoline, in order to reduce the power, the oxygen content in the air should be changed according to the following formula: (with fuel) Compared with diesel fuel (compared to gasoline), the above calculation results are compared with the above-mentioned changes in atmospheric oxygen content with altitude. It can be seen that even if the diesel engine is fueled with ethanol at an altitude of about 1500m, Without using any other technical measures, the engine power can also be kept from declining. In areas where 1800m or so of methanol is used, no other technical measures can be taken and the engine power can be kept from declining. Therefore, it can be seen that the use of alcohol fuels in the highlands has special significance. Of course, there are still many problems to be solved after the engine is fueled with alcohol fuels. For example, due to the small viscosity of the alcohol fuel, the lubricating performance becomes worse, the mechanical wear increases, and the service life of the components decreases. On the other hand, alcohols are toxic and have poor safety. They emit toxic components such as formaldehyde and acetaldehyde during use, causing new pollution. These existing problems are problems that need to be seriously solved.

After the engine is fueled with alcohol, it can achieve high-efficiency and low-emissions operation, which is of great significance for improving engine emissions, reducing urban pollution, and purifying the environment in which human beings live. At the same time, since alcohol fuels are oxygenated fuels, the use of alcohol fueled engines in highland areas can reduce engine power drop due to altitude changes. This has a special role in improving the engine dynamics of the plateau. Therefore, the use of alcohol fuels in highland areas is more prominent and has broad prospects.

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