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Top Widths given Section Factor 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 = \frac{Z Para}{0.544331054 \cdot ({d f}^{1.5})}

T - Top Width?Z_Para - Section Factor of Parabola?d_f - Depth of Flow?

Top Widths given Section Factor Example

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Here is how the Top Widths given Section Factor equation looks like with Values.

Here is how the Top Widths given Section Factor equation looks like with Units.

Here is how the Top Widths given Section Factor equation looks like.

1.3297 = \frac{4.339}{0.544331054 \cdot ({3.3}^{1.5})}

1.3297m = \frac{4.339m^2.5}{0.544331054 \cdot ({3.3m}^{1.5})}

1.3297 = \frac{4.339}{0.544331054 \cdot ({3.3}^{1.5})}

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Top Widths given Section Factor 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

Section Factor of Parabola

Section Factor of Parabola is ratio of normal to critical channel depth.

Symbol: Z_Para

Measurement: Section FactorUnit: m^2.5

Note: Value can be positive or negative.

Formulas to find Section Factor 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 Width for Parabola

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

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 Widths given Section Factor?

Top Widths given Section Factor evaluator uses Top Width = Section Factor of Parabola/(0.544331054*(Depth of Flow^1.5)) to evaluate the Top Width, Top Widths given Section Factor formula is defined as the width of section in channel at any point in direction perpendicular to flow. Top Width is denoted by T symbol.

How to evaluate Top Widths given Section Factor using this online evaluator? To use this online evaluator for Top Widths given Section Factor, enter Section Factor of Parabola (Z_Para) & Depth of Flow (d_f) and hit the calculate button.

FAQs on Top Widths given Section Factor

What is the formula to find Top Widths given Section Factor?

The formula of Top Widths given Section Factor is expressed as Top Width = Section Factor of Parabola/(0.544331054*(Depth of Flow^1.5)). Here is an example- 1.329706 = 4.339/(0.544331054*(3.3^1.5)).

How to calculate Top Widths given Section Factor?

With Section Factor of Parabola (Z_Para) & Depth of Flow (d_f) we can find Top Widths given Section Factor using the formula - Top Width = Section Factor of Parabola/(0.544331054*(Depth of Flow^1.5)).

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=1.5*Wetted Surface Area of Parabola/Depth of Flow

Can the Top Widths given Section Factor be negative?

No, the Top Widths given Section Factor, measured in Length cannot be negative.

Which unit is used to measure Top Widths given Section Factor?

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

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Top Widths given Section Factor Formula

​GoTop Width given Wetted Area Formula

​GoTop Width given Hydraulic Radius Formula