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Waterline Length of Vessel given Expanded or Developed Blade Area Calculator

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Mooring Forces Important Formulas of Mooring Forces

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Form Drag Propeller Drag Skin Friction

✖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.ⓘ Expanded or Developed Blade Area of a Propeller [A_p]			+10% -10%
✖Area Ratio is a parameter used to describe the proportion of a specific area relative to another reference area.ⓘ Area Ratio [A_r]			+10% -10%
✖Vessel Beam refers to the width of a vessel, such as a ship or boat, measured at its widest point.ⓘ Vessel Beam [B]			+10% -10%

✖Waterline Length of a Vessel is the length of a ship or boat at the level where it sits in the water.ⓘ Waterline Length of Vessel given Expanded or Developed Blade Area [l_wl]

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Formula

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Waterline Length of Vessel given Expanded or Developed Blade Area

Formula

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

Example

7.2906 m = \frac{15 m² \cdot 0.838 \cdot 1.16}{2 m}

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Waterline Length of Vessel given Expanded or Developed Blade Area Solution

STEP 0: Pre-Calculation Summary

Formula Used

Waterline Length of a Vessel = (Expanded or Developed Blade Area of a Propeller*0.838*Area Ratio)/Vessel Beam
l_wl = (A_p*0.838*A_r)/B
This formula uses 4 Variables

Variables Used

Waterline Length of a Vessel - (Measured in Meter) - Waterline Length of a Vessel is the length of a ship or boat at the level where it sits in the water.
Expanded or Developed Blade Area of a Propeller - (Measured in Square Meter) - 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.
Area Ratio - Area Ratio is a parameter used to describe the proportion of a specific area relative to another reference area.
Vessel Beam - (Measured in Meter) - Vessel Beam refers to the width of a vessel, such as a ship or boat, measured at its widest point.

STEP 1: Convert Input(s) to Base Unit

Expanded or Developed Blade Area of a Propeller: 15 Square Meter --> 15 Square Meter No Conversion Required
Area Ratio: 1.16 --> No Conversion Required
Vessel Beam: 2 Meter --> 2 Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

l_wl = (A_p*0.838*A_r)/B --> (15*0.838*1.16)/2

Evaluating ... ...

l_wl = 7.2906

STEP 3: Convert Result to Output's Unit

7.2906 Meter --> No Conversion Required

FINAL ANSWER

7.2906 Meter <-- Waterline Length of a Vessel

(Calculation completed in 00.004 seconds)

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< Mooring Forces Calculators

Coefficient of Drag for Winds Measured at 10 m given Drag Force due to Wind

Go Coefficient of Drag = Drag Force/(0.5*Air Density*Projected Area of the Vessel*Wind Speed at Height of 10 m^2)

Projected Area of Vessel above Waterline given Drag Force due to Wind

Go Projected Area of the Vessel = Drag Force/(0.5*Air Density*Coefficient of Drag*Wind Speed at Height of 10 m^2)

Mass Density of Air given Drag Force due to Wind

Go Air Density = Drag Force/(0.5*Coefficient of Drag*Projected Area of the Vessel*Wind Speed at Height of 10 m^2)

Drag Force due to Wind

Go Drag Force = 0.5*Air Density*Coefficient of Drag*Projected Area of the Vessel*Wind Speed at Height of 10 m^2

< Important Formulas of Mooring Forces Calculators

Undamped Natural Period of Vessel

Go Undamped Natural Period of a Vessel = 2*pi*(sqrt(Virtual Mass of the Ship/Effective Spring Constant))

Individual Stiffness of Mooring Line

Go Individual Mooring Line Stiffness = Axial Tension or Load on a Mooring Line/Elongation in the Mooring Line

Mass of Vessel given Virtual Mass of Vessel

Go Mass of a Vessel = Virtual Mass of the Ship-Mass of Vessel due to Inertial Effects

Virtual Mass of Vessel

Go Virtual Mass of the Ship = Mass of a Vessel+Mass of Vessel due to Inertial Effects

Waterline Length of Vessel given Expanded or Developed Blade Area Formula

Waterline Length of a Vessel = (Expanded or Developed Blade Area of a Propeller*0.838*Area Ratio)/Vessel Beam
l_wl = (A_p*0.838*A_r)/B

What causes Skin Friction?

Skin friction drag is caused by the viscosity of fluids and is developed from laminar drag to turbulent drag as a fluid moves on the surface of an object. Skin friction drag is generally expressed in terms of the Reynolds number, which is the ratio between inertial force and viscous force.

How to Calculate Waterline Length of Vessel given Expanded or Developed Blade Area?

Waterline Length of Vessel given Expanded or Developed Blade Area calculator uses Waterline Length of a Vessel = (Expanded or Developed Blade Area of a Propeller*0.838*Area Ratio)/Vessel Beam to calculate the Waterline Length of a Vessel, The Waterline Length of Vessel given Expanded or Developed Blade Area is defined as a specific measurement related to the hydrodynamic performance of a vessel, particularly in relation to its propeller and propulsion system. Waterline Length of a Vessel is denoted by l_wl symbol.

How to calculate Waterline Length of Vessel given Expanded or Developed Blade Area using this online calculator? To use this online calculator for Waterline Length of Vessel given Expanded or Developed Blade Area, enter Expanded or Developed Blade Area of a Propeller (A_p), Area Ratio (A_r) & Vessel Beam (B) and hit the calculate button. Here is how the Waterline Length of Vessel given Expanded or Developed Blade Area calculation can be explained with given input values -> 7.2906 = (15*0.838*1.16)/2.

FAQ

What is Waterline Length of Vessel given Expanded or Developed Blade Area?

The Waterline Length of Vessel given Expanded or Developed Blade Area is defined as a specific measurement related to the hydrodynamic performance of a vessel, particularly in relation to its propeller and propulsion system and is represented as l_wl = (A_p*0.838*A_r)/B or Waterline Length of a Vessel = (Expanded or Developed Blade Area of a Propeller*0.838*Area Ratio)/Vessel Beam. 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, Area Ratio is a parameter used to describe the proportion of a specific area relative to another reference area & Vessel Beam refers to the width of a vessel, such as a ship or boat, measured at its widest point.

How to calculate Waterline Length of Vessel given Expanded or Developed Blade Area?

The Waterline Length of Vessel given Expanded or Developed Blade Area is defined as a specific measurement related to the hydrodynamic performance of a vessel, particularly in relation to its propeller and propulsion system is calculated using Waterline Length of a Vessel = (Expanded or Developed Blade Area of a Propeller*0.838*Area Ratio)/Vessel Beam. To calculate Waterline Length of Vessel given Expanded or Developed Blade Area, you need Expanded or Developed Blade Area of a Propeller (A_p), Area Ratio (A_r) & Vessel Beam (B). With our tool, you need to enter the respective value for Expanded or Developed Blade Area of a Propeller, Area Ratio & Vessel Beam and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Waterline Length of a Vessel?

In this formula, Waterline Length of a Vessel uses Expanded or Developed Blade Area of a Propeller, Area Ratio & Vessel Beam. We can use 3 other way(s) to calculate the same, which is/are as follows -

Waterline Length of a Vessel = (Reynolds Number*Kinematic Viscosity in Stokes)/Average Current Speed*cos(Angle of the Current)
Waterline Length of a Vessel = (Wetted Surface Area of Vessel-(35*Displacement of a Vessel/Draft in Vessel))/1.7*Draft in Vessel
Waterline Length of a Vessel = (Wetted Surface Area of Vessel-(35*Displacement of a Vessel/Draft in Vessel))/1.7*Draft in Vessel

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