As a subject matter expert in the field of fuel technology, I'd like to address the question of whether gasoline and kerosene can be mixed. The compatibility of these two fuels is a topic of interest for both environmental and economic reasons, as well as for the performance of engines that they are intended to power.

Firstly, it is essential to understand the chemical and physical properties of both gasoline and kerosene. Gasoline, also known as petrol, is a volatile, flammable liquid that is used primarily as a fuel in internal combustion engines. It is a complex mixture of hydrocarbons ranging from C4 to C12, with a high proportion of C4 to C8 hydrocarbons. Gasoline is designed to be used in spark-ignition engines, where it is mixed with air and ignited by a spark plug.

Kerosene, on the other hand, is a petroleum-based product that is typically used for heating, jet engines, and sometimes as a fuel for diesel engines. Kerosene has a higher flash point and boiling point compared to gasoline, and it is composed of longer-chain hydrocarbons, primarily C9 to C16. The higher viscosity and lower volatility of kerosene make it less suitable for use in spark-ignition engines without modification.

When considering the mixing of gasoline and kerosene, several factors must be taken into account:


1. Volatility: Gasoline's lower volatility is crucial for its ability to vaporize and form a combustible mixture with air in the engine's cylinder during the intake stroke. Kerosene, with its higher boiling point, is less likely to vaporize under the same conditions.


2. Viscosity: The higher viscosity of kerosene can affect the atomization of the fuel when it is sprayed into the engine's combustion chamber. Poor atomization can lead to incomplete combustion and reduced engine performance.


3. Cetane Number: This is a measure of the combustion speed of diesel fuels. Kerosene has a higher cetane number than gasoline, indicating that it ignites more quickly. However, in a gasoline engine, this is not a desirable trait as it can lead to detonation or knocking.


4. Energy Content: The energy content of gasoline is higher than that of kerosene, which means that an equal volume of gasoline will release more energy upon combustion.


5. Engine Modifications: To use a blend of gasoline and kerosene in a gasoline engine, certain modifications may be necessary. These could include changes to the fuel injectors, the fuel pump, and possibly the engine control unit to accommodate the different fuel properties.


6. Environmental Impact: While kerosene is generally considered cleaner than gasoline in terms of sulfur content, blending it with gasoline could potentially increase emissions of particulate matter and other pollutants if not properly managed.

7.
Regulatory Compliance: There are strict regulations governing the composition of fuels for different types of engines. Using a blend of gasoline and kerosene may not comply with these regulations, leading to potential legal issues.

In conclusion, while it is technically possible to blend gasoline and kerosene, doing so in a gasoline engine without proper modifications and considerations can lead to a range of issues, from poor performance to engine damage. It is crucial to conduct thorough testing and ensure that any blend meets the necessary specifications for the intended application.

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During the intake stroke fuel will mix with the air and will enter into the cylinder. ... So if you use 100% kerosene in your petrol engine, engine will not start as the fuel air mixture is not formed. But you can blend the kerosene with petrol, and it can be used in engine.read more >>