Critical Distance between Stiffeners Formula

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Critical Distance between Stiffeners when are spaced within critical length, they offer resistance to collapsing of the vessel under external pressure. Check FAQs
Lc=1.11ODVessel(ODVesselt)0.5
Lc - Critical Distance between Stiffeners?ODVessel - Outer Diameter of Vessel?t - Wall Thickness?

Critical Distance between Stiffeners Example

With values
With units
Only example

Here is how the Critical Distance between Stiffeners equation looks like with Values.

Here is how the Critical Distance between Stiffeners equation looks like with Units.

Here is how the Critical Distance between Stiffeners equation looks like.

496.4071Edit=1.111000Edit(1000Edit5000Edit)0.5
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Critical Distance between Stiffeners Solution

Follow our step by step solution on how to calculate Critical Distance between Stiffeners?

FIRST Step Consider the formula
Lc=1.11ODVessel(ODVesselt)0.5
Next Step Substitute values of Variables
Lc=1.111000mm(1000mm5000mm)0.5
Next Step Convert Units
Lc=1.111m(1m5m)0.5
Next Step Prepare to Evaluate
Lc=1.111(15)0.5
Next Step Evaluate
Lc=0.496407091004953m
Next Step Convert to Output's Unit
Lc=496.407091004953mm
LAST Step Rounding Answer
Lc=496.4071mm

Critical Distance between Stiffeners Formula Elements

Variables
Critical Distance between Stiffeners
Critical Distance between Stiffeners when are spaced within critical length, they offer resistance to collapsing of the vessel under external pressure.
Symbol: Lc
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Outer Diameter of Vessel
Outer Diameter of Vessel is the distance from one outside edge of the vessel to the opposite outside edge, measuring straight across the face of the vessel.
Symbol: ODVessel
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Wall Thickness
Wall Thickness is simply the width of the wall that we are taking under consideration.
Symbol: t
Measurement: LengthUnit: mm
Note: Value can be positive or negative.

Other formulas in Design of Vessels Subjected to External Pressure category

​Go Moment of Inertia of Stiffening Ring per Unit Length
I=(pexternal(ODVessel3)24E)
​Go Length of Conical Head
L=(Dl2)(tan(A))
​Go Width of Gasket
N=Go-Gi2
​Go Thickness of Flange
tf=(G)(pkf)+c

How to Evaluate Critical Distance between Stiffeners?

Critical Distance between Stiffeners evaluator uses Critical Distance between Stiffeners = 1.11*Outer Diameter of Vessel*(Outer Diameter of Vessel/Wall Thickness)^0.5 to evaluate the Critical Distance between Stiffeners, Critical Distance between Stiffeners when are spaced within critical length, they offer resistance to collapsing of the vessel under external pressure. Critical Distance between Stiffeners is denoted by Lc symbol.

How to evaluate Critical Distance between Stiffeners using this online evaluator? To use this online evaluator for Critical Distance between Stiffeners, enter Outer Diameter of Vessel (ODVessel) & Wall Thickness (t) and hit the calculate button.

FAQs on Critical Distance between Stiffeners

What is the formula to find Critical Distance between Stiffeners?
The formula of Critical Distance between Stiffeners is expressed as Critical Distance between Stiffeners = 1.11*Outer Diameter of Vessel*(Outer Diameter of Vessel/Wall Thickness)^0.5. Here is an example- 496407.1 = 1.11*1*(1/5)^0.5.
How to calculate Critical Distance between Stiffeners?
With Outer Diameter of Vessel (ODVessel) & Wall Thickness (t) we can find Critical Distance between Stiffeners using the formula - Critical Distance between Stiffeners = 1.11*Outer Diameter of Vessel*(Outer Diameter of Vessel/Wall Thickness)^0.5.
Can the Critical Distance between Stiffeners be negative?
No, the Critical Distance between Stiffeners, measured in Length cannot be negative.
Which unit is used to measure Critical Distance between Stiffeners?
Critical Distance between Stiffeners is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Critical Distance between Stiffeners can be measured.
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