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  1. #1
    Join Date
    Jun 2004
    Posts
    9

    Question

    why does flame impengement produce incomplete combustion in a natural gas furnace?

  2. #2
    Join Date
    Apr 2003
    Location
    Iowa
    Posts
    2,652
    Because it does.


    I could theorize but I would sound like I was rambling on and on and on so instead of me trying to explain it I'll let someone that can explain it, explain it.....that wasn't rambling on was it?
    There are 3 ways to do anything in life; Good, Fast, Slow: You can pick any 2.

  3. #3
    Join Date
    Apr 2001
    Location
    Western PA
    Posts
    1,801
    The flame is cooled by the metal.
    Jason

  4. #4
    Join Date
    Apr 2002
    Posts
    1,383
    <<why does flame impengement produce incomplete combustion in a natural gas furnace?
    >>


    If gas burns completely, the end combustion products are carbon dioxide and water. But to get there a lengthy chain of chemical reactions have to occur. If the conditions for that chain aren't all present, the process stops at that point and the result is other, intermediate products of combustion, which can include alcohols called aldehydes, soot and carbon monoxide, among many others.

    Flame impingement can cool the combustion gasses and restrict air from getting to portions of the flame, and that can stop the combustion process.



    Seattle Pioneer

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