Selection of ear-type supports for externally pressurized vessels
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I am designing a pressure vessel subjected to external pressure, with a design pressure of 0.1 MPa. I encountered a problem when selecting lug-type supports: the standards provide tables showing the allowable bending moments for vessels under internal pressure only, but since this is a vessel under external pressure, how can I determine its allowable bending moment? ? ? Thank you all
When calculating the stress on ear-type supports, it is primarily related to factors such as the total mass of the equipment and the wind pressure. Positive and negative pressures simply represent different directions of force acting on the container. In my opinion, it should be fine to select an allowable bending moment for the supports based on an internal pressure of 0.6 MPa as a conservative approach; those who are not bothered can use linear interpolation to determine the value.
The original poster should be able to use the AD2000 to calculate external pressure vessels