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Elliptical Head
Design Tool ver E5.02
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Description
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Dimensions:
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Do [in] - outside diameter of head
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tb [in] - thickness before forming
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tf [in] - thickness after forming
(note 1)
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Corr [in] - corrosion allowance
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Skirt [in] - straight skirt length
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Material and
Conditions:
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Material
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S [psi] - allowable stress
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E - head longitudinal efficiency
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P [psi] - interior pressure
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Calculated
Properties:
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This sheet is for
educational use only - use at your own risk.
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note 1: Likely tf [in] =
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App. 1-4(f) and
UG-16(b) calculations are not included.
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Pounds
[steel] =
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See UCS-79(d),
UNF-79(d), UG-37(a)(1) for head stress relief.
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Volume
with skirt [cuft] =
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This sheet cannot
be used to check for vacuum loads.
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nt thick - corr [in] =
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D corroded ID [in] =
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Required Thickness: App. 1-4(c), UG-37(a)(1)
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Treq [in] =
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(P*D*K)/(2*S*E-0.2*P)+Corr
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Maximum Pressure: App. 1-4(c), UG-37(a)(1)
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Pmax [psi] =
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(2*S*E*nt)/(K*D+0.2*nt)
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Pressure Vessel
Engineering Ltd.
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Finite Element
Analysis ASME Code Calculations Canadian Vessel Registration
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120 Randall Drive,
Suite B, Waterloo, Ontario, Canada, N2V 1C6.
519 880-9808
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www.pveng.com
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