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Flare Design for Air Failure

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ChemEngSquirrel

Chemical
Jun 10, 2010
72
I'm checking flare capacity for an offshore platform. Without going into any specific design dertial for my case (& given that offshore designs are often very similar in design):

Can anyone advise what i should consider as a flare scenario for inst air failure?

I don't think considering all 'air fail open' valves venting simulataneously is realistic as air systems generally decay in pressure over a perioid of time after failure, meaning valves will drift open rather than suddenly open simultaneously. However, i'm struggling to identify a realistic sizing case.

Thanks in advance for any input.
 
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