Form Drag Coefficient given Form Drag of Vessel Calculator

✖Form Drag of a Vessel [Force] is increase in resistance due to pressure.ⓘ Form Drag of a Vessel [F_{c, form}]			+10% -10%
✖Water Density is mass per unit of water.ⓘ Water Density [ρ_water]			+10% -10%
✖Vessel Beam [length] is the widest part of the vessel.ⓘ Vessel Beam [B]			+10% -10%
✖Vessel Draft [length] of a ship's hull is the vertical distance between the waterline and the bottom of the hull.ⓘ Vessel Draft [T]			+10% -10%
✖Average Current Speed [length/time] defined as the speed of Ocean currents that are continuous, predictable, directional movement of seawater.ⓘ Average Current Speed [V_c]			+10% -10%
✖Angle of the Current Relative to the Longitudinal Axis of the Vessel.ⓘ Angle of the Current [θ_c]			+10% -10%

✖Form Drag Coefficient [dimensionless] is the drag caused by the separation of the boundary layer from a surface and the wake created by that separation.ⓘ Form Drag Coefficient given Form Drag of Vessel [C_{c, form}]

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Formula

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Form Drag Coefficient given Form Drag of Vessel

Formula

`"C"_{"c, form"} = -"F"_{"c, form"}/(0.5*"ρ"_{"water"}*"B"*"T"*"V"_{"c"}^2*cos("θ"_{"c"}))`

Example

`"-362952.208818"=-"12kN"/(0.5*"1000kg/m³"*"2m"*"1.68m"*("25m/h")^2*cos("20"))`

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Form Drag Coefficient given Form Drag of Vessel Solution

STEP 0: Pre-Calculation Summary

Formula Used

Form Drag Coefficient = -Form Drag of a Vessel/(0.5*Water Density*Vessel Beam*Vessel Draft*Average Current Speed^2*cos(Angle of the Current))
C_{c, form} = -F_{c, form}/(0.5*ρ_water*B*T*V_c^2*cos(θ_c))
This formula uses 1 Functions, 7 Variables

Functions Used

cos - Cosine of an angle is the ratio of the side adjacent to the angle to the hypotenuse of the triangle., cos(Angle)

Variables Used

Form Drag Coefficient - Form Drag Coefficient [dimensionless] is the drag caused by the separation of the boundary layer from a surface and the wake created by that separation.
Form Drag of a Vessel - (Measured in Newton) - Form Drag of a Vessel [Force] is increase in resistance due to pressure.
Water Density - (Measured in Kilogram per Cubic Meter) - Water Density is mass per unit of water.
Vessel Beam - (Measured in Meter) - Vessel Beam [length] is the widest part of the vessel.
Vessel Draft - (Measured in Meter) - Vessel Draft [length] of a ship's hull is the vertical distance between the waterline and the bottom of the hull.
Average Current Speed - (Measured in Meter per Second) - Average Current Speed [length/time] defined as the speed of Ocean currents that are continuous, predictable, directional movement of seawater.
Angle of the Current - Angle of the Current Relative to the Longitudinal Axis of the Vessel.

STEP 1: Convert Input(s) to Base Unit

Form Drag of a Vessel: 12 Kilonewton --> 12000 Newton (Check conversion here)
Water Density: 1000 Kilogram per Cubic Meter --> 1000 Kilogram per Cubic Meter No Conversion Required
Vessel Beam: 2 Meter --> 2 Meter No Conversion Required
Vessel Draft: 1.68 Meter --> 1.68 Meter No Conversion Required
Average Current Speed: 25 Meter per Hour --> 0.00694444444444444 Meter per Second (Check conversion here)
Angle of the Current: 20 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

C_{c, form} = -F_{c, form}/(0.5*ρ_water*B*T*V_c^2*cos(θ_c)) --> -12000/(0.5*1000*2*1.68*0.00694444444444444^2*cos(20))

Evaluating ... ...

C_{c, form} = -362952.208818274

STEP 3: Convert Result to Output's Unit

-362952.208818274 --> No Conversion Required

FINAL ANSWER

-362952.208818274 ≈ -362952.208818 <-- Form Drag Coefficient

(Calculation completed in 00.004 seconds)

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Home » Engineering » Civil » Coastal and Ocean Engineering » Surf Zone Hydrodynamics » Harbor Hydrodynamics » Mooring » Mooring Forces » Form Drag » Form Drag Coefficient given Form Drag of Vessel

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< 7 Form Drag Calculators

Average Current Speed for Form Drag of Vessel

Go Longshore Current Speed = -sqrt(Form Drag of a Vessel/0.5*Water Density*Form Drag Coefficient*Vessel Beam*Vessel Draft*cos(Angle of the Current))

Angle of Current Relative to Longitudinal Axis of Vessel for Form Drag of Vessel

Go Angle of the Current = acos(-Form Drag of a Vessel/(0.5*Water Density*Form Drag Coefficient*Vessel Beam*Vessel Draft*Average Current Speed^2))

Form Drag Coefficient given Form Drag of Vessel

Go Form Drag Coefficient = -Form Drag of a Vessel/(0.5*Water Density*Vessel Beam*Vessel Draft*Average Current Speed^2*cos(Angle of the Current))

Vessel Draft given Form Drag of Vessel

Go Vessel Draft = Form Drag of a Vessel/(-0.5*Water Density*Form Drag Coefficient*Vessel Beam*Average Current Speed^2*cos(Angle of the Current))

Vessel Beam given Form Drag of Vessel

Go Vessel Beam = -Form Drag of a Vessel/(0.5*Water Density*Form Drag Coefficient*Vessel Draft*Average Current Speed^2*cos(Angle of the Current))

Form Drag of Vessel due to Flow of Water Past Vessel's Cross-sectional Area

Go Form Drag of a Vessel = -0.5*Water Density*Form Drag Coefficient*Vessel Beam*Vessel Draft*Average Current Speed^2*cos(Angle of the Current)

Form Drag of Vessel given Total Longitudinal Current Load on Vessel

Go Form Drag of a Vessel = Total Longitudinal Current Load on a Vessel-Skin Friction of a Vessel-Vessel Propeller Drag

Form Drag Coefficient given Form Drag of Vessel Formula

What is Mooring in Shipping?

Mooring is a procedure to anchor the ship to a fixed or floating element and keep it connected during loading or unloading operations. Safe mooring must withstand several forces, such as wind, the current, the tide and waves.

What is Mooring Load?

Mooring loads often govern the required lateral load capacity of a pier or berth structure. Mooring hardware and equipment are normally rated for a safe working load based upon allowable stresses and/or manufacturer's testing that should not be exceeded.

How to Calculate Form Drag Coefficient given Form Drag of Vessel?

Form Drag Coefficient given Form Drag of Vessel calculator uses Form Drag Coefficient = -Form Drag of a Vessel/(0.5*Water Density*Vessel Beam*Vessel Draft*Average Current Speed^2*cos(Angle of the Current)) to calculate the Form Drag Coefficient, Form Drag Coefficient given Form Drag of Vessel is due to flow of water past vessel's cross-sectional area. Form Drag Coefficient is denoted by C_{c, form} symbol.

How to calculate Form Drag Coefficient given Form Drag of Vessel using this online calculator? To use this online calculator for Form Drag Coefficient given Form Drag of Vessel, enter Form Drag of a Vessel (F_{c, form}), Water Density (ρ_water), Vessel Beam (B), Vessel Draft (T), Average Current Speed (V_c) & Angle of the Current (θ_c) and hit the calculate button. Here is how the Form Drag Coefficient given Form Drag of Vessel calculation can be explained with given input values -> -362952.208818 = -12000/(0.5*1000*2*1.68*0.00694444444444444^2*cos(20)).

FAQ

What is Form Drag Coefficient given Form Drag of Vessel?

Form Drag Coefficient given Form Drag of Vessel is due to flow of water past vessel's cross-sectional area and is represented as C_{c, form} = -F_{c, form}/(0.5*ρ_water*B*T*V_c^2*cos(θ_c)) or Form Drag Coefficient = -Form Drag of a Vessel/(0.5*Water Density*Vessel Beam*Vessel Draft*Average Current Speed^2*cos(Angle of the Current)). Form Drag of a Vessel [Force] is increase in resistance due to pressure, Water Density is mass per unit of water, Vessel Beam [length] is the widest part of the vessel, Vessel Draft [length] of a ship's hull is the vertical distance between the waterline and the bottom of the hull, Average Current Speed [length/time] defined as the speed of Ocean currents that are continuous, predictable, directional movement of seawater & Angle of the Current Relative to the Longitudinal Axis of the Vessel.

How to calculate Form Drag Coefficient given Form Drag of Vessel?

Form Drag Coefficient given Form Drag of Vessel is due to flow of water past vessel's cross-sectional area is calculated using Form Drag Coefficient = -Form Drag of a Vessel/(0.5*Water Density*Vessel Beam*Vessel Draft*Average Current Speed^2*cos(Angle of the Current)). To calculate Form Drag Coefficient given Form Drag of Vessel, you need Form Drag of a Vessel (F_{c, form}), Water Density (ρ_water), Vessel Beam (B), Vessel Draft (T), Average Current Speed (V_c) & Angle of the Current (θ_c). With our tool, you need to enter the respective value for Form Drag of a Vessel, Water Density, Vessel Beam, Vessel Draft, Average Current Speed & Angle of the Current and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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