Depends on the mixture. Diesel could be pretty close so maybe this
article is of interest to you:
Scroll down 1/3 of the paper.
For the fuels:
This is a very open -ended question?
What and where and how are you measuring - and using what apparatus?
What are the typical operating values - such as:
Pressure flow and temperature
There is no simple answer to the question - the boundaries of the above
variables should first be known or guesstimated.
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