What can negligible airflow be quantified as?

P

practitioner

#11
Negligible

Aside from all the mumbo jumbo about measurement actinity of instruments, if a flow isn't specified then a measurement won't do. Since we know that it is a fire test and you want to make sure the flow doesn't affect the test, why not take a practical approach? Take a small candle (birthday?), light it, place it in the area where the direct flame impingement (or heat flux) is supposed to be for the actual test and make sure the flow doesnt blow out the candle. At least that demonstrates (and provides objective evidence) that the flow was negligible to the extent that it wouldn't blow out a candle. Now, if it is a test that uses a fllame source like that specified for the Flammable Fabrics Act, the size of the flame IS like a candle. Then you have other problems. However, if it is a flame from a Bunsen of Tirril burner, then you should be OK.
 
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L

labgirl

#12
Thank you

I am really grateful for all of the good advice I have been given. Due date for non-conformities is this Friday - will let you know how it goes!!!
:cfingers:
 
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