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Adjunct to ASTM E XXXX Wood Heater Cordwood Test Method - May 10, 2017 Version
3
Cordwood Fuel Load Calculators - 12 lb/ft
Nominal Load Density
Core 45-65% of Total Load Weight, Remainder 35-55% of Total Load Weight
Values to be input manually
3
For Usable Firebox Volumes up to 3.0 ft
- Low and Medium Fire
Nominal Required Load Density (wet basis)
Usable Firebox Volume
Total Nom. Load Wt. Target
Total Load Wt. Allowable Range
Core Target Wt. Allowable Range
Remainder Load Wt. Allowable Range
Core Load Fuel Pc. Wt. Allowable Range
Remainder Load Pc. Wt. Allowable Range
Core Load Piece Wt. Actual
Core Load Total. Wt. Actual
Remainder Load Piece Wt.
(2 or 3 Pcs.)
Remainder Load Piece Weight Ratio - Small/Large
Remainder Load Tot. Wt. Act
Total Load Wt. Actual
Core % of Total Wt.
Remainder % of Total Wt.
Actual Load % of Nominal Target
Actual Fuel Load Density
Allowable Charcoal Bed Wt. Range (lb)
Actual Charcoal Bed Wt.
Actual Fuel Load Ending Wt.
Total Wt. of Fuel Burned During Test Run lb.
3
lb/ft
12
3
2.03 ft
24.36 lb
23.14
to
25.58
lb
10.962
to
15.83
lb
8.53
to
13.40
lb
3.65
to
6.09
lb
2.44
to
7.31
lb
Pc. #
1
4.20 lb
In Range
2
4.00 lb
In Range
3
3.90 lb
In Range
12.10 lb
In Range
Pc. #
1
3.00 lb
In Range
2
5.10 lb
In Range
3
3.20 lb
In Range
59%
In Range
11.30 lb
In Range
23.40 lb
In Range
52%
In Range
48%
In Range
96%
In Range
3
11.5 lb/ft
2.4
to
4.6
2.7 lb
In Range
0.2 lb
Valid Test
23.2 lb
THIS DOCUMENT IS NOT AN ASTM STANDARD; IT IS UNDER CONSIDERATION WITHIN AN ASTM
TECHNICAL COMMITTEE BUT HAS NOT RECEIVED ALL APPROVALS REQUIRED TO BECOME AN ASTM STANDARD.
IT SHALL NOT BE REPRODUCED OR CIRCULATED OR QUOTED, IN WHOLE OR IN PART, OUTSIDE OF ASTM
COMMITTEE ACTIVITIES EXCEPT WITH THE APPROVAL OF THE CHAIRMAN OF THE COMMITTEE HAVING
5
JURISDICTION AND THE PRESIDENT OF THE SOCIETY. COPYRIGHT ASTM, 100 BARR HARBOR DRIVE, WEST
CONSHOHOCKEN, PA 19428. ALL RIGHTS RESERVED.
Mid-Point
4.87
4.87
Fuel Piece Moisture Reading (%-dry basis)
1
2
28
22.4
25.3
28
24.5
20.5
18
23
22.2
27.4
18.2
21.6
≤ 67%
Total Load Ave. MC % (dry basis)
Total Load Ave. MC % (wet basis)
Total Test Load Weight (dry basis)
45-65%
Total Fuel Weight Burned During Test Run (dry basis)
35-55%
95-105%
Mid-Point
3.5
≥ 90%
75 of 236
3
Ave.
Pc. Wt. Dry Basis
26.4
25.6
In Range
3.34
18.7
24.0
In Range
3.23
23.6
22.9
In Range
3.17
19.5
20.2
In Range
2.50
25
24.9
In Range
4.08
23.6
21.1
In Range
2.64
23.4
In Range
18.9
18.97
18.8
lb
1.52
kg
lb
1.46
kg
lb
1.44
kg
lb
1.13
kg
lb
1.85
kg
lb
1.20
kg
lb
8.60
kg
lb
8.51
kg
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