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BM: Submitted Comment: Problem 172 (I think) should use a coefficient of 8.7 m^/g per NCEES 3.6.20 for flaming plastic fuels. See equation 33.28 in HFPE 5th pg 1081.
2 Comments
Chris Campbell
9/22/2020 11:39:10 am
Both 7.6 and 8.7 m^2/g are listed in NCEES and the Handbooks. 7.6 is listed generally for "flaming combustion" while 8.7 is based on newer research and is stated to be applicable for "flaming combustion of wood and plastic fuels." In my opinion, 8.7 m^2/g is the better coefficient to use here.
Joe Meyer
9/23/2020 11:11:46 am
Agreed - Errata is updated: www.meyerfire.com/errata Leave a Reply. |
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The views, opinions, and information found on this site represent solely the author shown and do not represent the opinions of any other party, nor does the presented material assume responsibility for its use. Fire protection and life safety systems constitute a critical component for public health and safety and you should consult with a licensed professional for proper design and code adherence. Some (not all) outbound links on this website, such as Amazon links, are affiliate-based where we receive a commission for orders placed elsewhere.