Extreme Fiber Elongation Calcs - J.S

Extreme Fiber Elongation Calculations

[UCS-79]

SHELL SIDE SHELL

OD = Outside Diameter of Vessel

60

t = Shell Plate Thickness

0.5

D = Shell Inside Diameter

59

Rf = Final Centerline Radius = D / 2 Ro = Original Centerline Radius ( Rf = infinity for flat plate) Rf / Ro % extreme fiber elongation = 50 ( t / Rf )(1 - Rf / Ro)

29.5 ∞ 0.84745763 < 5% O.K.

SHELL COVER SHELL

OD = Outside Diameter of Vessel

60

t = Shell Plate Thickness

0.5

D = Shell Inside Diameter

59

Rf = Final Centerline Radius = D / 2 Ro = Original Centerline Radius ( Rf = infinity for flat plate) Rf / Ro % extreme fiber elongation = 50 ( t / Rf )(1 - Rf / Ro)

29.5 ∞ 0.84745763 < 5% O.K.

ELLIPTICAL HEAD HEAD

OD = Outside Diameter of Vessel

60

t = Head Plate Thickness

0.5

D = Inside Diameter of Head Skirt

59

Rf1 = Knuckle Radius = 0.17 D Rf2 = Spherical Radius = 0.90 D

[UG-32(d)] [UG-32(d)]

10.03 53.1

% extreme fiber elongation (knuckle radius) = 75 ( t / Rf 1)(1 - Rf1 / Ro)

3.73878365 < 5% O.K.

% extreme fiber elongation (spherical radius) = 75 ( t / Rf2 )(1 - Rf2 / Ro)

0.70621469 < 5% O.K.

FRONT CHANNEL FRONT OD = Outside Diameter of Vessel

60.5

t = Shell Plate Thickness

0.75

D = Shell Inside Diameter

59

Rf = Final Centerline Radius = D / 2 Ro = Original Centerline Radius ( Rf = infinity for flat plate) Rf / Ro % extreme fiber elongation = 50 ( t / Rf )(1 - Rf / Ro) Note : For cylinders, Rf can be calculated, Rf = (D + t) / 2

29.5 ∞ 1.27118644 < 5% O.K.