i posted a question that has parallels to yours just a few moments ago. i am attempting to size vents for process tanks and vessels in a nuclear processing facility, where the fire exposure to the vessels are minimal. therefore, i am considering applying a correction factor to the API 521...
1) I am attempting to understand what is the basis for the Heat Absorption Equations (Q) in API 521. Q= 21,000FA e.82. Is this based on a worst case commodity with a high heat of combustion? is it based on Hexane?
2) I am attempting to size tank and vessel relief openings for a process in a...