ascó temperature-stress analysis above 200ºc.xlsx
TRANSCRIPT
Relevant parameters
Venturi Vessel A N01 max LoadVenturi Vessel B N01 max Load
Support 248-070 max LoadSupport 248-070 (lugs) max Load
Support 248-071 max LoadSupport 258-001 max Load
Support 258-001 (lugs) max LoadSupport 391-001 max LoadSupport 391-002 max LoadSupport 391-003 max LoadSupport 391-004 max Load
Piping critical point E03 N+ (stess ratio) - elbow before nozzle N01 Venturi APiping critical point D05 F- (stress ratio) - elbow after support 248-071
Venturi Vessel A N01 max MomentVenturi Vessel B N01 max Moment
ASME III NCGeneral behaviour of ASME III NC piping part (stress ratio) - Design - point A14
General behaviour of ASME III NC piping part (stress ratio) - A - point D02+ General behaviour of ASME III NC piping part (stress ratio) - B - point D02 +
General behaviour of ASME III NC piping part (stress - ratio) - B (2xSAM) - point A14 General behaviour of ASME III NC piping part (stress ratio) - D - point A14
GENERAL REMARKSValues marked with an asterisk use w/sustained load margin, with an allowable stress of 214,7 MPa instead of 162,71 Mpa.
Without taking credit of the rigid behaviour of the flange, and using still 162,71 MPa which is not realistic and being too conservative, values are shown between brackets for guidance.Small bore lines branching in the analyzed part are also compliant, being the most unfavourable points X19 F- with a stress ratio of 0,98 at 260ºC and X25 - with 0,99 at 270ºC
ASME III NC piping part stands perfectly the temperature of 270ºC. Screenshots are shown in a separate tab only for this extreme case.
Temperature CasesT2 = 200ºC T2 = 210ºC T2 = 220ºC T2 = 230ºC10 kN (Fy) 10,7 kN (Fy) 11,4 kN (Fy) 12,1 kN (Fy)
-4,2 kN (Fy) -4,5 kN (Fy) -4,8 kN (Fy) -5,1 kN (Fy)14 kN (Fz) 15 kN (Fz) 16 kN (Fz) 16,9 kN (Fz)
-14 kN (Fx) -14,4 kN (Fx) -14,9 kN (Fx) -15,4 kN (Fx) -13,2 kN (Fz) -13,9 kN (Fz) -14,7 kN (Fz) -15,1 kN (Fz) -5,6 kN (Fx) -5,8 kN (Fx) -6,0 kN (Fx) -6,1 kN (Fx) -7,7 kN (Fz) -7,7 kN (Fz) -7,7 kN (Fz) -7,7 kN (Fz) -13,7 kN (Fy) -14,3 kN (Fy) -14,9 kN (Fy) -15,5 kN (Fy)7,1 kN (Fx) 7,3 kN (Fx) 7,6 kN (Fx) 7,8 kN (Fx) -3,3 kN (Fz) -3,3 kN (Fz) -3,3 kN (Fz) -3,3 kN (Fz)6,5 kN (Fx) 6,5 kN (Fx) 6,4 kN (Fx) 6,4 kN (Fx)
0.7 0.75 0.8 0.850.69 0.74 0.79 0.82
GENERAL REMARKSValues marked with an asterisk use w/sustained load margin, with an allowable stress of 214,7 MPa instead of 162,71 Mpa.
Without taking credit of the rigid behaviour of the flange, and using still 162,71 MPa which is not realistic and being too conservative, values are shown between brackets for guidance.Small bore lines branching in the analyzed part are also compliant, being the most unfavourable points X19 F- with a stress ratio of 0,98 at 260ºC and X25 - with 0,99 at 270ºC
ASME III NC piping part stands perfectly the temperature of 270ºC. Screenshots are shown in a separate tab only for this extreme case.
Temperature CasesT2 = 240ºC T2 = 250ºC T2 = 260ºC T2 = 270ºC12,8 kN (Fy) 13,5 kN (Fy) 14,2 kN (Fy) 14,9 kN (Fy) -5,2 kN (Fy) -5,6 kN (Fy) -5,9 kN (Fy) -6,3 kN (Fy)17,7 kN (Fz) 18,5 kN (Fz) 19,4 kN (Fz) 20,5 kN (Fz)
-15,9 kN (Fx) -16,5 kN (Fx) -16,9 kN (Fx) -17,4 kN (Fx) -15,5 kN (Fz) -16,0 kN (Fz) -16,7 kN (Fz) -17,5 kN (Fz) -6,2 kN (Fx) -6,2 kN (Fx) -6,4 kN (Fx) -6,6 kN (Fx) -7,7 kN (Fz) -7,7 kN (Fz) -7,7 kN (Fz) -7,7 kN (Fz) -16,1 kN (Fy) -16,7 kN (Fy) -17,3 kN (Fy) -17,9 kN (Fy)8,4 kN (Fx) 8,4 kN (Fx) 8,6 kN (Fx) 8,9 kN (Fx) -3,3 kN (Fz) -3,3 kN (Fz) -3,3 kN (Fz) -3,3 kN (Fz)6,4 kN (Fx) 6,3 kN (Fx) 6,3 kN (Fx) 6,2 kN (Fx)
0.9 0.950.85 0.88 0.93 0.97
5,6 kN-m (Mz)2,5 kN-m (Mx)
0,33 (Occasional)0,24 (Equation 8)0,41 (Equation 9a)0,41 (Equation 9a)0,40 (Equation 9a)
GENERAL REMARKSValues marked with an asterisk use w/sustained load margin, with an allowable stress of 214,7 MPa instead of 162,71 Mpa.
Without taking credit of the rigid behaviour of the flange, and using still 162,71 MPa which is not realistic and being too conservative, values are shown between brackets for guidance.Small bore lines branching in the analyzed part are also compliant, being the most unfavourable points X19 F- with a stress ratio of 0,98 at 260ºC and X25 - with 0,99 at 270ºC
ASME III NC piping part stands perfectly the temperature of 270ºC. Screenshots are shown in a separate tab only for this extreme case.
0,76* (1,0065) 0,80* (1,0462)