Yes but only in the right conditions. If diesel is outside just on the road, for example, then no it will not ignite from a flame.
No, diesel at room temperature will not ignite if you direct a naked flame to it.
The ignition temperature of diesel fuel typically ranges between 210 to 300 degrees Celsius (410 to 572 degrees Fahrenheit). This is the temperature at which diesel fuel can ignite without an external flame or spark. Factors such as the specific formulation of the diesel and environmental conditions can influence this value.
Diesel fuel has a relatively low flame spread compared to more volatile fuels like gasoline. Its flash point is typically above 60°C (140°F), meaning it requires a higher temperature to ignite. When ignited, diesel burns steadily, but it doesn’t spread flames as rapidly due to its higher viscosity and lower volatility. This characteristic makes diesel fuel less hazardous in terms of flame spread in comparison to many other fuels.
Unleaded fuel is used in gasoline engines, while diesel fuel is used in diesel engines. The main difference is in how the engines ignite the fuel - gasoline engines use spark plugs, while diesel engines use compression to ignite the fuel. Diesel fuel also has a higher energy density than unleaded fuel.
It is not the fuel that ignites it is the fumes. Any spark or flame will ignite the fumes.
No #4 diesel fuel oil is for oil burners and will not ignite in a diesel egine
Diesel engines rely on heat and high compression to ignite fuel.
No, fuel flash point and cetane rating are not the same. Flash point is the temperature at which fuel can ignite momentarily when exposed to a flame, while cetane rating is a measure of the ignition quality of diesel fuel, indicating how readily it ignites under compression in a diesel engine.
The fuel will not ignite properly.
The engine's pistons compress the fuel (an air and diesel oil mixture) in the cylinders and the heat generated by that compression causes the fuel to ignite.A longer answerDiesel engines ignite their fuel solely by means of compression: whilst spark plugs are used to ignite the gasoline fuel and air mixture in gasoline engines, in diesel engines the diesel oil and air mixture is compressed to a very much higher degree, which causes a lot of heat. The resulting very high temperature causes the fuel to self-ignite.
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Yes, diesel fuel can be ignited, but it requires a higher temperature compared to gasoline due to its higher flash point. While it won't easily ignite from a spark or open flame, it can catch fire if exposed to a sufficiently hot surface or flame. Once ignited, diesel burns steadily and can produce a significant amount of heat and smoke. Always exercise caution when handling any flammable liquids.