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Expanded or Developed Blade Area of Propeller Formula

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Expanded or Developed Blade Area of a Propeller refers to the surface area of the propeller blades when they are "unwrapped" and laid flat on a plane. Check FAQs

A p = \frac{l wl \cdot B}{0.838} \cdot A r

A_p - Expanded or Developed Blade Area of a Propeller?l_wl - Waterline Length of a Vessel?B - Vessel Beam?A_r - Area Ratio?

Expanded or Developed Blade Area of Propeller Example

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Here is how the Expanded or Developed Blade Area of Propeller equation looks like with Values.

Here is how the Expanded or Developed Blade Area of Propeller equation looks like with Units.

Here is how the Expanded or Developed Blade Area of Propeller equation looks like.

20.2654 = \frac{7.32 \cdot 2}{0.838} \cdot 1.16

20.2654m² = \frac{7.32m \cdot 2m}{0.838} \cdot 1.16

20.2654 = \frac{7.32 \cdot 2}{0.838} \cdot 1.16

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Expanded or Developed Blade Area of Propeller Solution

Follow our step by step solution on how to calculate Expanded or Developed Blade Area of Propeller?

FIRST Step Consider the formula

A p = \frac{l wl \cdot B}{0.838} \cdot A r

Next Step Substitute values of Variables

∴

A p = \frac{7.32m \cdot 2m}{0.838} \cdot 1.16

Next Step Prepare to Evaluate

∴

A p = \frac{7.32 \cdot 2}{0.838} \cdot 1.16

Next Step Evaluate

∴

A p = 20.2653937947494m²

LAST Step Rounding Answer

∴

A p = 20.2654m²

Expanded or Developed Blade Area of Propeller Formula Elements

Variables

Expanded or Developed Blade Area of a Propeller

Expanded or Developed Blade Area of a Propeller refers to the surface area of the propeller blades when they are "unwrapped" and laid flat on a plane.

Symbol: A_p

Measurement: AreaUnit: m²

Note: Value can be positive or negative.

Formulas to find Expanded or Developed Blade Area of a Propeller

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: l_wl

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Waterline Length of a Vessel

Vessel Beam

Vessel Beam refers to the width of a vessel, such as a ship or boat, measured at its widest point.

Symbol: B

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Vessel Beam

Area Ratio

Area Ratio is a parameter used to describe the proportion of a specific area relative to another reference area.

Symbol: A_r

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Area Ratio

Other formulas in Mooring Forces category

Go Undamped Natural Period of Vessel

T n = 2 \cdot π \cdot (\sqrt{\frac{m v}{k tot}})

Go Virtual Mass of Vessel

m v = m + m a

Go Mass of Vessel given Virtual Mass of Vessel

m = m v - m a

Go Individual Stiffness of Mooring Line

k n' = \frac{T n'}{Δl η'}

How to Evaluate Expanded or Developed Blade Area of Propeller?

Expanded or Developed Blade Area of Propeller evaluator uses Expanded or Developed Blade Area of a Propeller = (Waterline Length of a Vessel*Vessel Beam)/0.838*Area Ratio to evaluate the Expanded or Developed Blade Area of a Propeller, The Expanded or Developed Blade Area of Propeller formula is defined as the parameter influencing the propeller drag that is due to the form drag of the propeller with a locked shaft. Expanded or Developed Blade Area of a Propeller is denoted by A_p symbol.

How to evaluate Expanded or Developed Blade Area of Propeller using this online evaluator? To use this online evaluator for Expanded or Developed Blade Area of Propeller, enter Waterline Length of a Vessel (l_wl), Vessel Beam (B) & Area Ratio (A_r) and hit the calculate button.

FAQs on Expanded or Developed Blade Area of Propeller

What is the formula to find Expanded or Developed Blade Area of Propeller?

The formula of Expanded or Developed Blade Area of Propeller is expressed as Expanded or Developed Blade Area of a Propeller = (Waterline Length of a Vessel*Vessel Beam)/0.838*Area Ratio. Here is an example- 20.26539 = (7.32*2)/0.838*1.16.

How to calculate Expanded or Developed Blade Area of Propeller?

With Waterline Length of a Vessel (l_wl), Vessel Beam (B) & Area Ratio (A_r) we can find Expanded or Developed Blade Area of Propeller using the formula - Expanded or Developed Blade Area of a Propeller = (Waterline Length of a Vessel*Vessel Beam)/0.838*Area Ratio.

Can the Expanded or Developed Blade Area of Propeller be negative?

Yes, the Expanded or Developed Blade Area of Propeller, measured in Area can be negative.

Which unit is used to measure Expanded or Developed Blade Area of Propeller?

Expanded or Developed Blade Area of Propeller 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 Expanded or Developed Blade Area of Propeller can be measured.

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Expanded or Developed Blade Area of Propeller Formula

Expanded or Developed Blade Area of Propeller Example

Expanded or Developed Blade Area of Propeller Solution

Expanded or Developed Blade Area of Propeller Formula Elements

Other formulas in Mooring Forces category

How to Evaluate Expanded or Developed Blade Area of Propeller?

FAQs on Expanded or Developed Blade Area of Propeller

Variable Name