BTU_Calculator.xls

	A	B	C	D	F	H	I	J	K
1	0.035							Date:	12/14/2000
2
3	Calculate Burner Heat output in BTUs					Submitted by: Thomas Vincent
4
5	Numbers in Red require data input, Numbers in Blue are the result of a calculation
6
7	Enter the Propane Gas orifice dia. in inches				0.03	inches
8
9	Enter the propane pressure in psi				2	psi
10					15591	BTU/hour
11
12	Orifice discharge coefficient				0.7	Coefficient	Note: *
13
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
16
17
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.
22
23
24	Burner Heat out put in BTUs				15,591	BTUs per hour
25
26	Air needed to support combustion				2.48	cu. ft. per min. (CFM)
27
28
29	Lbs. of propane per hour				0.72	Lbs./hr
30	Consumption rate in hours:
31	20	Pounds =	4.7	Gallons	27.70	Hours.	(BBQ Size)
32	30	Pounds =	7.5	Gallons	41.54	Hours.
33	40	Pounds =	10.2	Gallons	55.39	Hours.
34	50	Pounds =	12	Gallons	69.24	Hours.
35	60	Pounds =	15	Gallons	83.09	Hours.
36	100	Pounds =	23.5	Gallons	138.48	Hours.
37
38	200	Pounds	Other Cylinders		276.96	Hours.
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100