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Wobbe Wobblies

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Constantin
Constantin Member Posts: 3,796
in THE MAIN WALL
I recently ran across <a href="http://www.bauzentrale.com/news/2005/1950.php4">this web-page at a German site</a> (in German), which details how the flame ionization signal can be used to help determine the lambda # (air/fuel mix). Said signal can then be used to help modulate the gas valve up or down to account for variations in the caloric value of the gas, if I am reading the article correctly.

Translate it with Babelfish, if needed, but it looks like a neat solution to the problem of addressing wobbly wobbe numbers...

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  • Dale
    Dale Member Posts: 1,317
    pulse

    Lennox used to refer to this concept with their late pulse furnace. You could watch the microamps change with gas pressure adjustment or closing off of the air intake. Should be a predictable change with any sealed burner. I doubt though, if it is as usable a vairable number as the exhaust gas analysis.
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