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OMNI-Test Laboratories, Inc.
Equations and Sample Calculations – ASTM E2779 & E2515
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Equations used to calculate the parameters listed below are described in this appendix. Sample calculations
are provided for each equation. The raw data and printout results from a sample run are also provided for
comparison to the sample calculations.
M
– Weight of test fuel burned during test run, dry basis, kg
Bdb
M
– Weight of test fuel burned during test run segment i , dry basis, kg
BSidb
BR – Average dry burn rate over full integrated test run, kg/hr
BR
– Average dry burn rate over test run segment i , kg/hr
Si
V
– Average gas velocity in the dilution tunnel, ft/sec
s
Q
– Average gas flow rate in dilution tunnel, dscf/hr
sd
V
– Volume of Gas Sampled Corrected to Dry Standard Conditions, dscf
m(std)
m
– Total Particulate Matter Collected, mg
n
C
- Concentration of particulate matter in tunnel gas, dry basis, corrected to standard conditions, g/dscf
s
E
– Total Particulate Emissions, g
T
PR - Proportional Rate Variation
PM
– Average particulate emissions for full integrated test run, g/hr
R
PM
– Average particulate emission factor for full integrated test run, g/dry kg of fuel burned
F
Control No. P-SFDK-0002, Effective date: 5/06/2016
Hearth & Home
PP70
1
[Integrated]
Dry burn rate, kg/hr
Total particulate matter collected, mg
Volume of gas sampled corrected to standard conditions, dscf
Average dilution tunnel gas velocity, ft/sec
Particulate concentration, g/dscf
Dilution tunnel gas flow rate, dscf/min
Particulate emission rate, lbs/hr
Total particulate emissions, grams
Average fuel load moisture content, %
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File - 135PS040E PP70 Run 1, Tab - Example Calculations
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