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What is the difference between gasoline and diesel? The difference between the two in terms of chemistry: gasoline has fewer carbon atoms, 8-10, while diesel has 12-15, so diesel contains higher energy. Diesel fuel does not require ignition and self ignites under high pressure, so its efficiency is relatively high (in fact, the highest utilization rate is only 30%), but it is very bulky and noisy. Gasoline needs to be ignited, so gasoline engines have a small volume and are very quiet (their utilization rate is only 15%). The taste is different, gasoline is pungent and diesel has a light taste. The colors are different, gasoline is light in color, diesel is dark in color. Different capacities result in thinner gasoline Diesel fuel is relatively rich. The ignition method is different on transportation vehicles, gasoline is spark plug ignition, and diesel is compression ignition. Diesel has poor anti knock properties. Diesel has lower horsepower, heavier pollution, and emits black smoke compared to gasoline, but its price is lower. The English name for gasoline is Gasoline, which appears as a transparent liquid and is flammable. It has a distillation range of 30 ° C to 220 ° C and is resistant to wear. Its main components are C5-C12 fatty hydrocarbons and cycloalkanes, as well as a certain amount of aromatic hydrocarbons. Gasoline has a high octane rating (anti knock and anti burn performance) and is classified into grades such as 90, 93, 95, and 97 according to its octane rating. Gasoline is produced by refining straight run gasoline components, catalytic cracking gasoline components, catalytic reforming gasoline components, and other different gasoline components obtained from petroleum refining, and then blending th
2. How are diesel and gasoline named? Why is this naming convention used?
Diesel Fuel is derived from the name Rudolf Diesel, the German inventor who invented the diesel engine. Gasoline (ULP) was used as the standard fuel for lighting for most of the 19th century. At that time, petroleum refining relied on a simple steam distillation process to separate the components with different boiling points in petroleum. Kerosene has a high boiling point and is easily separated from gasoline and other impurities with a lower boiling point. Kerosene becomes the main product of crude oil refining, while gasoline and other components are often burned off in vain. By the first 20 years of the 20th century, researchers found that internal combustion engines using light fuels such as gasoline actually operated better. But using distillation, only 20% of gasoline can be extracted from crude oil. Although American oil explorers have drilled many oil wells in Pennsylvania, Indiana, Oklahoma, Oklahoma, and Texas, the low efficiency of gasoline production has greatly hindered the development of the automotive industry. Two engineers from Standard Oil Company in the United States, William Burton (Vice President of the company) and Robert Hammfuss (Laboratory Director), solved the problem of low efficiency in refining gasoline. They improved the distillation method by increasing pressure during its standard heating process to "crack" kerosene into gasoline. This "thermal cracking" process doubles the efficiency of gasoline smelting and achieves an oil yield of 40%. In 1913, Burton obtained a patent for this
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