Wetted Surface Area of Vessel Formula

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Wetted Surface Area of Vessel is the total area of the outer surface in contact with the surrounding water. Check FAQs
S'=(1.7Tlwl)+(35DT)
S' - Wetted Surface Area of Vessel?T - Vessel Draft?lwl - Waterline Length of a Vessel?D - Displacement of a Vessel?

Wetted Surface Area of Vessel Example

With values
With units
Only example

Here is how the Wetted Surface Area of Vessel equation looks like with Values.

Here is how the Wetted Surface Area of Vessel equation looks like with Units.

Here is how the Wetted Surface Area of Vessel equation looks like.

583.4059Edit=(1.71.68Edit7.32Edit)+(3527Edit1.68Edit)
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Wetted Surface Area of Vessel Solution

Follow our step by step solution on how to calculate Wetted Surface Area of Vessel?

FIRST Step Consider the formula
S'=(1.7Tlwl)+(35DT)
Next Step Substitute values of Variables
S'=(1.71.68m7.32m)+(35271.68m)
Next Step Prepare to Evaluate
S'=(1.71.687.32)+(35271.68)
Next Step Evaluate
S'=583.40592
LAST Step Rounding Answer
S'=583.4059

Wetted Surface Area of Vessel Formula Elements

Variables
Wetted Surface Area of Vessel
Wetted Surface Area of Vessel is the total area of the outer surface in contact with the surrounding water.
Symbol: S'
Measurement: AreaUnit:
Note: Value should be greater than 0.
Vessel Draft
Vessel Draft refers to the vertical distance between the waterline and the lowest point of a ship's hull, usually measured amidships (in the middle of the ship).
Symbol: T
Measurement: LengthUnit: m
Note: Value can be positive or negative.
Waterline Length of a Vessel
Waterline Length of a Vessel is the length of a ship or boat at the level where it sits in the water.
Symbol: lwl
Measurement: LengthUnit: m
Note: Value can be positive or negative.
Displacement of a Vessel
Displacement of a Vessel refers to the weight of the water that a vessel displaces when it is floating.
Symbol: D
Measurement: VolumeUnit:
Note: Value can be positive or negative.

Other formulas in Mooring Forces category

​Go Undamped Natural Period of Vessel
Tn=2π(mvktot)
​Go Virtual Mass of Vessel
mv=m+ma
​Go Mass of Vessel given Virtual Mass of Vessel
m=mv-ma
​Go Individual Stiffness of Mooring Line
kn'=Tn'Δlη'

How to Evaluate Wetted Surface Area of Vessel?

Wetted Surface Area of Vessel evaluator uses Wetted Surface Area of Vessel = (1.7*Vessel Draft*Waterline Length of a Vessel)+((35*Displacement of a Vessel)/Vessel Draft) to evaluate the Wetted Surface Area of Vessel, The Wetted Surface Area of Vessel formula is defined as the total area of the vessel's hull that is in contact with the water when the vessel is floating. Wetted Surface Area of Vessel is denoted by S' symbol.

How to evaluate Wetted Surface Area of Vessel using this online evaluator? To use this online evaluator for Wetted Surface Area of Vessel, enter Vessel Draft (T), Waterline Length of a Vessel (lwl) & Displacement of a Vessel (D) and hit the calculate button.

FAQs on Wetted Surface Area of Vessel

What is the formula to find Wetted Surface Area of Vessel?
The formula of Wetted Surface Area of Vessel is expressed as Wetted Surface Area of Vessel = (1.7*Vessel Draft*Waterline Length of a Vessel)+((35*Displacement of a Vessel)/Vessel Draft). Here is an example- 583.4059 = (1.7*1.68*7.32)+((35*27)/1.68).
How to calculate Wetted Surface Area of Vessel?
With Vessel Draft (T), Waterline Length of a Vessel (lwl) & Displacement of a Vessel (D) we can find Wetted Surface Area of Vessel using the formula - Wetted Surface Area of Vessel = (1.7*Vessel Draft*Waterline Length of a Vessel)+((35*Displacement of a Vessel)/Vessel Draft).
Can the Wetted Surface Area of Vessel be negative?
No, the Wetted Surface Area of Vessel, measured in Area cannot be negative.
Which unit is used to measure Wetted Surface Area of Vessel?
Wetted Surface Area of Vessel is usually measured using the Square Meter[m²] for Area. Square Kilometer[m²], Square Centimeter[m²], Square Millimeter[m²] are the few other units in which Wetted Surface Area of Vessel can be measured.
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