Accession Number:

AD0263240

Title:

PHOTOELASTIC STRESS ANALYSIS OF A PRESSURE VESSEL

Descriptive Note:

Corporate Author:

IIT RESEARCH INST CHICAGO ILL

Personal Author(s):

Report Date:

1961-08-31

Pagination or Media Count:

1.0

Abstract:

A study was conducted to determine the stress distribution in 2 redesigned couplings being considered for use as part of the pressure vessel. The stress distributions were determined by using conventional 3-dimensional photoelasticity techniques on 0.533-scale models manufactured from an epoxy resin, Hysol 4290 formerly known as Hysol 6000-OP. The loading applied to the model was internal pressure. The tensile stresses in the thread relief grooves were reduced to 4.3 and 4.7 times the internal pressure in the opposed and staggered designs, respectively by increasing the radius of the fillet. The highly localized stresses in the fillets at the roots of the sectored threads were not significantly reduced by incorporating 6 thread sectors in the tube end of the coupling in place of the 4 thread sectors. The stress distribution in the thread sectors was not appreciably influenced by the relative position of the thread sectors on the two ends of the coupling. Author

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE