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Top Width for Parabola Formula

GoTop Width given Wetted Area Formula

GoTop Width given Hydraulic Radius Formula

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Top Width is defined as the width at the top of the section. Check FAQs

T = 1.5 \cdot \frac{A Para}{d f}

T - Top Width?A_Para - Wetted Surface Area of Parabola?d_f - Depth of Flow?

Top Width for Parabola Example

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Here is how the Top Width for Parabola equation looks like with Values.

Here is how the Top Width for Parabola equation looks like with Units.

Here is how the Top Width for Parabola equation looks like.

2.1 = 1.5 \cdot \frac{4.62}{3.3}

2.1m = 1.5 \cdot \frac{4.62m²}{3.3m}

2.1 = 1.5 \cdot \frac{4.62}{3.3}

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Top Width for Parabola Formula Elements

Variables

Top Width

Top Width is defined as the width at the top of the section.

Symbol: T

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Top Width

Wetted Surface Area of Parabola

Wetted Surface Area of Parabola [length^2] is the total area of outer surface in contact with the surrounding water.

Symbol: A_Para

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Wetted Surface Area of Parabola

Depth of Flow

Depth of Flow is the distance from the top or surface of the flow to the bottom of a channel or other waterway or Depth of Flow at the Vertical while measuring Sound Weights.

Symbol: d_f

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Depth of Flow

Other Formulas to find Top Width

Go Top Width given Wetted Area

T = \frac{A Para}{(\frac{2}{3}) \cdot d f}

Go Top Width given Hydraulic Radius

T = \sqrt{\frac{8 \cdot {(d f)}^{2} \cdot R H(Para)}{2 \cdot d f - 3 \cdot R H(Para)}}

Go Top Widths given Section Factor

T = \frac{Z Para}{0.544331054 \cdot ({d f}^{1.5})}

Other formulas in Geometrical Properties of Parabolic Channel Section category

Go Wetted Area

A Para = (\frac{2}{3}) \cdot T \cdot d f

Go Depth of Flow given Wetted Area for Parabola

d f = \frac{A Para}{(\frac{2}{3}) \cdot T}

Go Wetted Perimeter for Parabola

P Para = T + (\frac{8}{3}) \cdot d f \cdot \frac{d f}{T}

Go Hydraulic Radius given Width

R H(Para) = \frac{2 \cdot {(T)}^{2} \cdot d f}{3 \cdot {(T)}^{2} + 8 \cdot {(d f)}^{2}}

How to Evaluate Top Width for Parabola?

Top Width for Parabola evaluator uses Top Width = 1.5*Wetted Surface Area of Parabola/Depth of Flow to evaluate the Top Width, The Top Width for Parabola is defined as the width of section in the channel at any point in the direction perpendicular to the flow. Top Width is denoted by T symbol.

How to evaluate Top Width for Parabola using this online evaluator? To use this online evaluator for Top Width for Parabola, enter Wetted Surface Area of Parabola (A_Para) & Depth of Flow (d_f) and hit the calculate button.

FAQs on Top Width for Parabola

What is the formula to find Top Width for Parabola?

The formula of Top Width for Parabola is expressed as Top Width = 1.5*Wetted Surface Area of Parabola/Depth of Flow. Here is an example- 1.33 = 1.5*4.62/3.3.

How to calculate Top Width for Parabola?

With Wetted Surface Area of Parabola (A_Para) & Depth of Flow (d_f) we can find Top Width for Parabola using the formula - Top Width = 1.5*Wetted Surface Area of Parabola/Depth of Flow.

What are the other ways to Calculate Top Width?

Here are the different ways to Calculate Top Width-

Top Width=Wetted Surface Area of Parabola/((2/3)*Depth of Flow)
Top Width=sqrt((8*(Depth of Flow)^2*Hydraulic Radius of Parabola)/(2*Depth of Flow-3*Hydraulic Radius of Parabola))
Top Width=Section Factor of Parabola/(0.544331054*(Depth of Flow^1.5))

Can the Top Width for Parabola be negative?

No, the Top Width for Parabola, measured in Length cannot be negative.

Which unit is used to measure Top Width for Parabola?

Top Width for Parabola is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Top Width for Parabola can be measured.

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Top Width for Parabola Formula

​GoTop Width given Wetted Area Formula

​GoTop Width given Hydraulic Radius Formula

Top Width for Parabola Example

Top Width for Parabola Solution

Top Width for Parabola Formula Elements

Other Formulas to find Top Width

Other formulas in Geometrical Properties of Parabolic Channel Section category

How to Evaluate Top Width for Parabola?

FAQs on Top Width for Parabola

Variable Name

GoTop Width given Wetted Area Formula

GoTop Width given Hydraulic Radius Formula