1、Local Stressesin Nozzles in Shells and Formed Heads from External LoadsSTP-PT-074STP-PT-074 LOCAL STRESS IN NOZZLES, SHELLS AND FORMED HEADS FROM EXTERNAL HEADS Prepared by: Anthony W. Paulin Paulin Research Group Date of Issuance: June 26, 2015 This report was prepared as an account of work sponsor
2、ed by ASME Pressure Technology Codes lambda = (do/Dm)*(Dm/T)0.5 c T/t = 10 c c EPRI 110996 Limits: c - c 8.0 R/T 50 c 0.5 r/t 50 c 0.125 r/R 1.0 c 0.211 t/T 9 c 0.5 r/rp 1.0 c c ST-LLC 07-10 c- c 7 D/T 2500 (4.5.188) c 0.05 d/D 0.7 (not sure how to deal with low d/D yet (4.5.189) c 0.1 t/T 10 (4.5.190) c 7 d/t 200 (4.5.191) c Lpr2 = 0 (see Figures 4.5.1 and 4.5.2.) (4.5.192) c tp = 1.5T (4.5.193) c W = min( (d+t)/2, (RT)0.5 ) (4.5.194) c (d/D) (D/T)0.5 10 (4.5.195)
