If so, how can I find " variable" superimposed back pressure value in flarenet when several PSV open such as external fire or power failure? So far, I've known back pressures as follows.ġ) built-up back pressure: same to pressure loss.Ģ) superimposed back pressure: consists of variable and constant.ģ) total back pressure: sum of built-up and superimposed back pressureĤ) flarenet (Aspen flare analyzer) shows total back pressure and static pressureĤ-1) total back pressure in flarenet: kinetic portion of pressure (dynamic pressure) + built-up back pressure + superimposed back pressureĤ-2) static back pressure in flarenet: built-up back pressure + superimposed back pressure ![]() ![]() I'm process engineer working for flare system.
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