Fuel factor

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The fuel factor, f_o, is the ratio of created CO₂ to depleted oxygen in a combustion reaction, used to check the accuracy of an emission measurement system.^[1] It can be calculated using the equation

f_o = (20.9 - %O₂)/%CO₂,

Where %O₂ is the percent O₂ by volume, dry basis, %CO₂ is the percent CO₂ by volume, dry basis, and 20.9 is the percent O₂ by volume in ambient air. The Fuel factor can be corrected for the amount of CO, by adding the percent CO on a dry basis to the CO₂, and subtracting half of the percent CO from the O₂.^[2]

See also

Portable emissions measurement system
Air–fuel ratio

References

"Archived copy" (PDF). Archived from the original (PDF) on 2015-02-26. Retrieved 2012-11-09.
"Archived copy" (PDF). Archived from the original (PDF) on 2016-03-07. Retrieved 2012-11-19.

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