STIFFENING RING
STIFFENING RING
(OP)
Hi,
What is stiffening ring?And why is it required for vessels operating in vacuum?
Thanks and Best Regards'
Dan
What is stiffening ring?And why is it required for vessels operating in vacuum?
Thanks and Best Regards'
Dan





RE: STIFFENING RING
The required thickness of shell for an external pressure depends on the diameter of shell, effective length of shell and material properties. The effective length of an unstiffened shell is equal to length of shell +2/3 depth of head . Higher the effective length, higher the thickness required. If a stiffener require ring is provided, the effective length will now reduce to the distance from stiffer ring to shell end + 1/3 depth of head and thereby required thickness will be reduced. If vessel is very long it is practice to provide multple number of stiffenrs. When the multple stiffeners are provided , the effective length is maximum of distance between stiffeners and distance from the end stiffener to shell end + depth of head. Please refer UG-28 of ASME VIII Division 1
RE: STIFFENING RING
RE: STIFFENING RING