Liquefied hydrocarbon pipeline safety valve
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The safety valve installed between the two isolation valves on the liquefied hydrocarbon pipeline – how is the discharge capacity of this safety valve determined? There is a formula for 20570, but it’s not practical because the heat transfer amount is unknown. Is there a simpler way, such as using the length and diameter of the pipe, or relying on empirical values? Does anyone knowledgeable or who has encountered this know how to deal with it? Please give some guidance!
Thermal expansion doesn’t need to be calculated; the formula for that is already simple enough, and there’s no need to consider length or diameter