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Area Ratio given Expanded or Developed Blade Area of Propeller Formula

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

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

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

Area Ratio given Expanded or Developed Blade Area of Propeller Example

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

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

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

1.1647 = 7.32 \cdot \frac{2}{15 \cdot 0.838}

1.1647 = 7.32m \cdot \frac{2m}{15m² \cdot 0.838}

1.1647 = 7.32 \cdot \frac{2}{15 \cdot 0.838}

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Area Ratio given Expanded or Developed Blade Area of Propeller Solution

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

FIRST Step Consider the formula

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

Next Step Substitute values of Variables

∴

A r = 7.32m \cdot \frac{2m}{15m² \cdot 0.838}

Next Step Prepare to Evaluate

∴

A r = 7.32 \cdot \frac{2}{15 \cdot 0.838}

Next Step Evaluate

∴

A r = 1.16467780429594

LAST Step Rounding Answer

∴

A r = 1.1647

Area Ratio given Expanded or Developed Blade Area of Propeller Formula Elements

Variables

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

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

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

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 Area Ratio given Expanded or Developed Blade Area of Propeller?

Area Ratio given Expanded or Developed Blade Area of Propeller evaluator uses Area Ratio = Waterline Length of a Vessel*Vessel Beam/(Expanded or Developed Blade Area of a Propeller*0.838) to evaluate the Area Ratio, The Area Ratio given Expanded or Developed Blade Area of Propeller formula is defined as ratio of waterline length times beam to total projected propeller area. Area Ratio is denoted by A_r symbol.

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

FAQs on Area Ratio given Expanded or Developed Blade Area of Propeller

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

The formula of Area Ratio given Expanded or Developed Blade Area of Propeller is expressed as Area Ratio = Waterline Length of a Vessel*Vessel Beam/(Expanded or Developed Blade Area of a Propeller*0.838). Here is an example- 1.164678 = 7.32*2/(15*0.838).

How to calculate Area Ratio given Expanded or Developed Blade Area of Propeller?

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

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Area Ratio given Expanded or Developed Blade Area of Propeller Formula

Area Ratio given Expanded or Developed Blade Area of Propeller Example

Area Ratio given Expanded or Developed Blade Area of Propeller Solution

Area Ratio given Expanded or Developed Blade Area of Propeller Formula Elements

Other formulas in Mooring Forces category

How to Evaluate Area Ratio given Expanded or Developed Blade Area of Propeller?

FAQs on Area Ratio given Expanded or Developed Blade Area of Propeller

Variable Name