Combined Moment of Inertia of Shell and Stiffener per Unit Length Formula

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Combined Moment of Inertia of Shell and Stiffener is a measure of the resistance to bending of a composite beam consisting of a cylindrical shell and a series of stiffeners. Check FAQs
Irequired=Do2Leff(tjacketedreaction+AsLeff)fj12E
Irequired - Combined Moment of Inertia of Shell and Stiffener?Do - Vessel Shell Outer Diameter?Leff - Effective Length Between Stiffeners?tjacketedreaction - Shell Thickness for Jackted Reaction Vessel?As - Cross Sectional Area of Stiffening Ring?fj - Allowable Stress for Jacket Material?E - Modulus of Elasticity Jacketed Reaction Vessel?

Combined Moment of Inertia of Shell and Stiffener per Unit Length Example

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Here is how the Combined Moment of Inertia of Shell and Stiffener per Unit Length equation looks like with Values.

Here is how the Combined Moment of Inertia of Shell and Stiffener per Unit Length equation looks like with Units.

Here is how the Combined Moment of Inertia of Shell and Stiffener per Unit Length equation looks like.

1.2E+14Edit=550Edit2330Edit(15Edit+1640Edit330Edit)120Edit12170000Edit
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Combined Moment of Inertia of Shell and Stiffener per Unit Length Solution

Follow our step by step solution on how to calculate Combined Moment of Inertia of Shell and Stiffener per Unit Length?

FIRST Step Consider the formula
Irequired=Do2Leff(tjacketedreaction+AsLeff)fj12E
Next Step Substitute values of Variables
Irequired=550mm2330mm(15mm+1640mm²330mm)120N/mm²12170000N/mm²
Next Step Prepare to Evaluate
Irequired=5502330(15+1640330)12012170000
Next Step Evaluate
Irequired=117263.235294118m⁴/m
Next Step Convert to Output's Unit
Irequired=117263235294118mm⁴/mm
LAST Step Rounding Answer
Irequired=1.2E+14mm⁴/mm

Combined Moment of Inertia of Shell and Stiffener per Unit Length Formula Elements

Variables
Combined Moment of Inertia of Shell and Stiffener
Combined Moment of Inertia of Shell and Stiffener is a measure of the resistance to bending of a composite beam consisting of a cylindrical shell and a series of stiffeners.
Symbol: Irequired
Measurement: Moment of Inertia per Unit LengthUnit: mm⁴/mm
Note: Value should be greater than 0.
Vessel Shell Outer Diameter
Vessel Shell Outer Diameter refers to the outermost dimension of the cylindrical shell of a vessel, such as a tank or pressure vessel.
Symbol: Do
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Effective Length Between Stiffeners
Effective Length Between Stiffeners refers to the distance between adjacent stiffeners or bracing elements that help to prevent buckling or lateral deflection of the member.
Symbol: Leff
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Shell Thickness for Jackted Reaction Vessel
Shell Thickness for Jackted Reaction Vessel is the distance through the shell.
Symbol: tjacketedreaction
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Cross Sectional Area of Stiffening Ring
Cross Sectional Area of Stiffening Ring in a vessel is the area of the ring when viewed in cross-section perpendicular to its axis.
Symbol: As
Measurement: AreaUnit: mm²
Note: Value should be greater than 0.
Allowable Stress for Jacket Material
Allowable Stress for Jacket Material at Design Temperature is defined as the material failure stress divided by a factor of safety greater than one.
Symbol: fj
Measurement: StressUnit: N/mm²
Note: Value should be greater than 0.
Modulus of Elasticity Jacketed Reaction Vessel
Modulus of Elasticity Jacketed Reaction Vessel refers to the measure of the vessel's ability to deform elastically under an applied load.
Symbol: E
Measurement: PressureUnit: N/mm²
Note: Value should be greater than 0.

Other formulas in Jacketed Reaction Vessel category

​Go Required Thickness for Jacket Closer Member with Jacket Width
trc=0.886wjpjfj
​Go Jacket Width
wj=Dij-ODVessel2

How to Evaluate Combined Moment of Inertia of Shell and Stiffener per Unit Length?

Combined Moment of Inertia of Shell and Stiffener per Unit Length evaluator uses Combined Moment of Inertia of Shell and Stiffener = (Vessel Shell Outer Diameter^(2)*Effective Length Between Stiffeners*(Shell Thickness for Jackted Reaction Vessel+Cross Sectional Area of Stiffening Ring/Effective Length Between Stiffeners)*Allowable Stress for Jacket Material)/(12*Modulus of Elasticity Jacketed Reaction Vessel) to evaluate the Combined Moment of Inertia of Shell and Stiffener, Combined Moment of Inertia of Shell and Stiffener per Unit Length is a property that describes the resistance of the section to bending. It is a measure of the distribution of the area of the section around its centroid. Combined Moment of Inertia of Shell and Stiffener is denoted by Irequired symbol.

How to evaluate Combined Moment of Inertia of Shell and Stiffener per Unit Length using this online evaluator? To use this online evaluator for Combined Moment of Inertia of Shell and Stiffener per Unit Length, enter Vessel Shell Outer Diameter (Do), Effective Length Between Stiffeners (Leff), Shell Thickness for Jackted Reaction Vessel (tjacketedreaction), Cross Sectional Area of Stiffening Ring (As), Allowable Stress for Jacket Material (fj) & Modulus of Elasticity Jacketed Reaction Vessel (E) and hit the calculate button.

FAQs on Combined Moment of Inertia of Shell and Stiffener per Unit Length

What is the formula to find Combined Moment of Inertia of Shell and Stiffener per Unit Length?
The formula of Combined Moment of Inertia of Shell and Stiffener per Unit Length is expressed as Combined Moment of Inertia of Shell and Stiffener = (Vessel Shell Outer Diameter^(2)*Effective Length Between Stiffeners*(Shell Thickness for Jackted Reaction Vessel+Cross Sectional Area of Stiffening Ring/Effective Length Between Stiffeners)*Allowable Stress for Jacket Material)/(12*Modulus of Elasticity Jacketed Reaction Vessel). Here is an example- 1.2E+23 = (0.55^(2)*0.33*(0.015+0.00164/0.33)*120000000)/(12*170000000000).
How to calculate Combined Moment of Inertia of Shell and Stiffener per Unit Length?
With Vessel Shell Outer Diameter (Do), Effective Length Between Stiffeners (Leff), Shell Thickness for Jackted Reaction Vessel (tjacketedreaction), Cross Sectional Area of Stiffening Ring (As), Allowable Stress for Jacket Material (fj) & Modulus of Elasticity Jacketed Reaction Vessel (E) we can find Combined Moment of Inertia of Shell and Stiffener per Unit Length using the formula - Combined Moment of Inertia of Shell and Stiffener = (Vessel Shell Outer Diameter^(2)*Effective Length Between Stiffeners*(Shell Thickness for Jackted Reaction Vessel+Cross Sectional Area of Stiffening Ring/Effective Length Between Stiffeners)*Allowable Stress for Jacket Material)/(12*Modulus of Elasticity Jacketed Reaction Vessel).
Can the Combined Moment of Inertia of Shell and Stiffener per Unit Length be negative?
No, the Combined Moment of Inertia of Shell and Stiffener per Unit Length, measured in Moment of Inertia per Unit Length cannot be negative.
Which unit is used to measure Combined Moment of Inertia of Shell and Stiffener per Unit Length?
Combined Moment of Inertia of Shell and Stiffener per Unit Length is usually measured using the Millimeter⁴ per Millimeter[mm⁴/mm] for Moment of Inertia per Unit Length. Meter⁴ per Meter[mm⁴/mm], Centimeter⁴ per Micrometer[mm⁴/mm], Centimeter⁴ per Centimeter[mm⁴/mm] are the few other units in which Combined Moment of Inertia of Shell and Stiffener per Unit Length can be measured.
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