Nozzle Loads Wrc 107 Ver 1.1.xls 4b5a5j

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<- Useful page 2 formula <- Useful page 3 formula

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Nozzle Loads WRC 107 Ver 1.1

17-Feb-13

Page 1 of 1

Megyesy's Pressure Vessel Handbook

Verification Calc #1 Megyesy PV Book 11th Ed. P153

<- vessel <- Nozzle

F

Ro

Inputs: 9.250 <- Shell Midline Radius (Rm) 4.313 <- Nozzle Outside Radius (Ro) 0.750 <- Shell Thickness (T)

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T

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40,000 <- F (Load, lbs) 662 <- Mc (moment, in.lbs) 662 <- Ml (moment, in.lbs)

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Mrlm

Mrcm

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150 <- P 36,000 <- Sy (Yield strength) 16,600 <- Sa (Allowable Stress)

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Constants: Beta Gamma Alpha Sigma Delta Calculated stress Max stress

= (2P/t)*(Rm-T/2) = Sa

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Maximum Allowed Loads (uncombined):

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end load

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Mrcm = (Rm^2*Ro*Sy)/(Sigma) = (9.25^2*4.3125*36000)/(95) = 140,302 in.lbs (Allowed at Fmax and Ml = 0)

Moment l

Mrlm = (Rm^2*Ro/Delta)*(Sy-Stress) = (9.25^2*4.3125/43)*(36000-3550) = 279,698 in.lbs (Allowed at Fmax and Mc = 0)

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(Allowed at Mc and Ml = 0)

Moment c

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Fmax = (Rm^2/alpha)*(Sy-Stress) = (9.25^2/58)*(36000-3550) = 47,555 lbs

= 0.875(Ro/Rm) = Rm/T (Interpolated) (Interpolated) (Interpolated) = 3,550 = 16,600

Combined Loads: F/Fmax = 40000 / 47555 Mc/Mrcm = 662 / 140302 Ml/Mrlm = 662 / 279698

F/Fmax = 0.841 Mc/Mrcm = 0.005 Mc/Mrcm = 0.002 Total Load = 0.848 = 84.8% Okay

= = = = = =

0.408 12 58 95 43 3,550

RM

1

Nozzle Loads WRC 107 Written By: Laurence Brundrett Code: Megyessy "Pressure Vessel Handbook", 11th Edition Addenda: Sections: Pages 153 - 157 Update Log Date 24-May-99 24-May-00 2-Jul-00 3-Aug-00

Change Verified against Megyessy sample Volume 11 pages 153 - 154 Hand Calculated for Audit Hand Calculation against example in Megyesy's book Further Hand Calculations - posted set - changed method of calculating total load Added Commentary, Legal Locked Cells - = "100" 3-Oct-00 Updated to A2000 format New print macro New legal statement Version Number assigned = 1.1 Checked Against previous verification calcs Locked Cells - = "100"

ting total load