130000 btu
114,000 BTU/gallon
Calculating Necessary Pool Heater Output Formula... Pool Gallons X 8.33 X Desired Temp. Increase / 24 Hrs. =Heater BTU'S Per Hour Required To Heat Up The Pool Example: 30,000 gallon pool @ 55 degrees, heated to 75 degrees 30,000 x 8.33 x 20 = 4,998,000 BTU'S / 24 hours = 208,250 Output BTU'S per hour The example above shows that 20' x 40' pool with an average depth of 5 feet with a heater producing an output of approx. 210,000 BTU's would require 24 hours to raise the temperature of the pool 20 degrees.
Assume the water is initially at 40 F and 14.7 psia.m = ( 1.0 gal ) ( 1.0 ft^3 /7.4805 gal ) ( 62.43 lbm / ft^3 ) = 8.346 lbmQ = Delta U = ( m ) ( Cv ) ( T2 - T1 )Q = ( 8.346 lbm ) ( 1.00 Btu / lbm - Fdeg ) ( 200 F - 40 F ) = 1335 Btu
For regular gasoline, 125,000 BTU per US gallon
140,000 btu/gallon, nominal
114100 Btu
In a gallon of gasoline, there is approximately 124,884 btu. BTU refers to British thermal unit. It is actually a traditional unit.
No BTU are required in order to lowerthe temperature of water. All you have to dois place the water in an environment that is cooler than the water is, then stand backand watch the temperatue of the water drop while the BTU flow out of it.
Propylene has a lower heating value of approximately 21,500 BTU per gallon.
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.
138,700 btu's