Radial flexibility of welded-pad reinforced nozzles in ellipsoidal pressure vessel heads |
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| Affiliation: | 1. Institute of Refrigeration and Cryogenics, Shanghai Jiao Tong University, Shanghai, 200240, China;2. Shanghai Institute of Aerospace System Engineering, Shanghai, 201109, China |
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| Abstract: | A thin shell analysis was performed to investigate the radial flexibility of welded-pad reinforced nozzles in ellipsoidal pressure vessel heads. A comparison of the flexibility of such a nozzle to that of an integrally reinforced nozzle was made. The effect of size and thickness on flexibility was studied. A parametric study was performed for welded-pad reinforced nozzles in ASME 2:1 pressure vessel heads. Results are presented as flexibility factors which are functions of nondimensional nozzle-vessel geometries. |
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