BTU_Calculator.xls
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0.035Date:12/14/2000
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Calculate Burner Heat output in BTUs
Submitted by: Thomas Vincent
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Numbers in Red require data input, Numbers in Blue are the result of a calculation
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Enter the Propane Gas orifice dia. in inches
0.03inches
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Enter the propane pressure in psi
2psi
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15591BTU/hour
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Orifice discharge coefficient
0.7CoefficientNote: *
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* Coefficient of discharge range for (5-25 psi) will be around 0.65 to 0.70
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for Sharp edge or Re-entrant type orifice
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BTUs per Cu ft.
2498BTUs / cu. ft.
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Air to propane ratio for (1 cu ft of propane)
23.86
cu ft per min.(CFM)
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BTUs per Lb of propane
21,591BTUs / Lb.
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Propane weight per gal.
4.24Lbs / gal.
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Burner Heat out put in BTUs
15,591
BTUs per hour
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Air needed to support combustion
2.48
cu. ft. per min. (CFM)
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Lbs. of propane per hour
0.72Lbs./hr
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Consumption rate in hours:
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Pounds =
4.7Gallons27.70Hours.
(BBQ Size)
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Pounds =
7.5Gallons41.54Hours.
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Pounds =
10.2Gallons55.39Hours.
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Pounds =
12Gallons69.24Hours.
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Pounds =
15Gallons83.09Hours.
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100
Pounds =
23.5Gallons138.48Hours.
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200Pounds
Other Cylinders
276.96Hours.
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