Thanks for your comments Chance17. I would agree that further investigation would be appropriate when dealing with high viscosity liquids in two phase relief scenarios. Use of the old "liquid + gas areas" technique would make a useful check.
I hope that the API procedure will at some point be...
I have recently been preparing preliminary PSV sizing estimates for a new build oil treatment facility. Some of the PSV sizing required consideration of two phase relief scenarios. For these scenarios I employed the Omega calculation method described in API 520 Part 1 (Eighth Edition). To...