BTU_Calculator.xls

	A	B	C	D	F	G	H	I	J
1								Date:	12/14/2000
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3	Calculate Burner Heat output in BTUs					Submitted by: Thomas Vincent
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5	Numbers in Red require data input, Numbers in Blue are the result of a calculation
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7	Enter the Propane Gas orifice dia. in inches				0.035	inches
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9	Enter the propane pressure in psi				15	psi
10					58117	BTU/hour
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12	Orifice discharge coefficient				0.7	Coefficient	Note: *
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14	* Coefficient of discharge range for (5-25 psi) will be around 0.65 to 0.70
15	for Sharp edge or Re-entrant type orifice
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18	BTUs per Cu ft.				2498	BTUs / cu. ft.
19	Air to propane ratio for (1 cu ft of propane)				23.86	cu ft per min.(CFM)
20	BTUs per Lb of propane				21,591	BTUs / Lb.
21	Propane weight per gal.				4.24	Lbs / gal.
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24	Burner Heat out put in BTUs				58,117	BTUs per hour
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26	Air needed to support combustion				9.25	cu. ft. per min. (CFM)
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29	Lbs. of propane per hour				2.69	Lbs./hr
30	Consumption rate in hours:
31	20	Pounds =	4.7	Gallons	7.43	Hours.	(BBQ Size)
32	30	Pounds =	7.5	Gallons	11.15	Hours.
33	40	Pounds =	10.2	Gallons	14.86	Hours.
34	50	Pounds =	12	Gallons	18.58	Hours.
35	60	Pounds =	15	Gallons	22.29	Hours.
36	100	Pounds =	23.5	Gallons	37.15	Hours.
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38	200	Pounds	Other Cylinders		74.30	Hours.
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