The API 579 calculation uses an adjusted radius to account for an out-of-round geometry or imperfection. This depends on the number of lobes associated with the minimum buckling pressure. Using trial and error, for each thickness the criticalanbsp;...
|Title||:||Fitness for service, life extension, remediation, repair, and erosion/corrosion issues for pressure vessels and components--2004|
|Author||:||Clay D. Rodery, Yoshio Takagi, Naoki Miura, American Society of Mechanical Engineers. Pressure Vessels and Piping Division|
|Publisher||:||Amer Society of Mechanical - 2004-07-30|