I am trying to determine if API 521 speaks to how long a fire needs to last to be considered a valid overpressure scenario. In the particular case that I am reviewing, a small 1 gallon vessel (MAWP = 1,800 psig) may be exposed to an external fire if a hexane spill occurs and ignites near the...
I am looking for a formula that will allow me to calculate the surface area of an oblate spheroid tank. I have found formulas that will allow me to calculate the surface area of a spheroid, but my spheroid tank has a flat bottom, so I don't want to include that portion of the surface area. I...