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Adjunct to ASTM E XXXX Wood Heater Cordwood Test Method - May 10, 2017 Version
3
Cordwood Fuel Load Calculators - 10 lb/ft
Nominal Load Density
Core 45-65% of Total Load Weight, Remainder 35-55% of Total Load Weight
Values to be input manually
For All Usable Firebox Volumes - High Fire Test Only
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 Pc. Wt. Allowable Range
Remainder Load Pc. Wt. Allowable Range
Core Load Piece Wt. Actual
Core Load Total. Wt. Actual
Remainder Load Piece Wt.
(1 to 3 Pcs.)
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
Kindling and Start-up Fuel
Maximim Kindling Wt. (20% of Tot. Load Wt.)
Actual Kindling Wt.
Maximum Start-up Fuel Wt. (30% of Tot. Load Wt.)
Actual Start-up Fuel Wt.
Allowable Residual Start-up Fuel Wt. Range
Actual Residual Start-up Fuel Wt.
Total Wt. All Fuel Added (wet basis)
High Fire Test Run End Point Range
Based on Fuel Load Wt. (w/tares)
Actual Fuel Load Ending Wt.
3
lb/ft
10
3
2.03 ft
20.30 lb
19.30
to
21.30
lb
9.10
to
13.20
lb
7.10
to
11.20
lb
3.00
to
5.10
lb
2.00
to
11.20
lb
Pc. #
1
3.70 lb
In Range
2
4.50 lb
In Range
3
3.70 lb
In Range
11.90 lb
In Range
Pc. #
1
4.70 lb
In Range
2
3.10 lb
In Range
3
lb
NA
7.80 lb
In Range
19.70 lb
In Range
60%
In Range
40%
In Range
97%
In Range
3
9.7 lb/ft
3.94 lb
3.80 lb
In Range
5.91 lb
5.80 lb
In Range
2.0
to
3.9
lb
2.1 lb
In Range
29.30 lb
Low
High
1.8
to
2.2
lb
2.1 lb
In Range
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
4.05
6.60
Fuel Piece Moisture Reading (%-dry basis)
1
2
19
18
18
19.6
27
26
24.7
27
20.6
20.4
Total Load Ave. MC (%-dry basis)
Total Load Ave. MC % (wet basis)
45-65%
Total Test Load Weight (dry basis)
35-55%
95-105%
Kindling Moisture (%-dry basis)
8
9.3
Start-up Fuel Moisture Readings (%-dry basis)
21.3
19.5
19.3%
Total Wt. All Fuel Added (dry basis)
29.4%
Total Wt. All Fuel Burned (dry basis)
Mid-Point
3.0
Mid-Point
2.0
58 of 236
3
Ave.
Pc. Wt. Dry Basis
21
19.3
In Range
3.10 lb
21.6
19.7
In Range
3.76 lb
19
24.0
In Range
2.98 lb
20.5
24.1
In Range
3.79 lb
20.1
20.4
In Range
2.58 lb
NA
NA
NA lb
21.6
In Range
17.7
16.21 lb
9
8.8
In Range
3.49 lb
20.7
20.5
In Range
4.81 lb
24.51 lb
20.3 lb
1.41 kg
1.70 kg
1.35 kg
1.72 kg
1.17 kg
NA kg
7.35 kg
1.58 kg
2.18 kg
11.12 kg
9.2 kg
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