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One gallon of diesel fuel is equal to 139,200 BTU. The man who invented the compression-ignition engine was Rudolf Diesel. This is where diesel fuel gets its name.
140,000 btu/gallon, nominal
btu per pound * pounds per gallon OK, it sounds as if you know the value of fuel in oil btu per pound.Now find out how much a gallon of fuel oil weighs and multiply the btu value x that weight in pounds and that is the value per gallon. Or simply, diesel fuel is #2 fuel oil which contains 140,000 btu per gallon.
Diesel heat of combustion : 45 MJ/kg , 10.7 Mcal/kg 19,300 BTU/lb
"BTU rating" could mean specific energy (energy per mass) or energy density (energy per volume) which are not necessarily the same. Kerosene has a higher specific energy (~48.4 MJ/kg for kerosene vs. 43.1 MJ/kg for diesel) but a lower energy density (33.6 MJ/L for kerosene vs 38.6 MJ/L for diesel).This analysis assumes jet fuel as kerosene and fuel oil as diesel (both comparisons are generally close to each other). Diesel and fuel oil differ in that diesel has a cetane number specification, which is a measure of ignition delay. Kerosene differs from jet fuel by a few specifications applied to specific types of jet fuel, but most jet fuel is kerosene based.Note: since the question was asked about Btu and my answer was given in megajoules here is the proper conversion:1 megajoule (MJ) = 947.81712 British Thermal Units (Btu)1 US gallon = 3.7854118 Liters (L)
While not as a chart, this is an idea about combustion energy values: Ethanol 77,000 Btu per gallon, Gasoline 125,000 Btu per gallon, Diesel 135,000 Btu per gallon and Biodiesel 130,000 Btu per gallon. Grades of fuel imply differences in composition and thus differences in combustion Btu values. Combustion values for ethanol will not depend on source of ethanol as long as ethanol content/composition is the same. Ali Hamza A_Hamza@yahoo.com
Nuclear fission mass which= m.(light seed )2. on consideration for 1lb.
Diesel will always give you better fuel mileage as diesel fuel itself contains more BTU (the measure of thermal energy) in a given quantity than compared to gas.So therefore a diesel engine can extract more mileage out of a gallon of diesel fuel as there is more energy to extract out of that gallon as compared to a gallon of gas.Considering this, this is why diesel fuel prices would have to rise considerably over gas before the two would be equal on a cost per mile basis.
140,000
A gallon of jet fuel supplies 126,000 BTU. So...a million BTU is less than 8 gallons.
#2 fuel oil = 140,000 btu
39000 BTU