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Top Width for Circle Calculator

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✖The Diameter of Section refers to the length of the segment that passes through the center of the circle and touches two points on the edge of the circle.ⓘ Diameter of Section [d_section]			+10% -10%
✖Subtended Angle in Radians is the angle made by something from a given viewpoint.ⓘ Subtended Angle in Radians [θ_Angle]			+10% -10%

✖Top Width of Circular Channel is defined as width at top of section.ⓘ Top Width for Circle [T_cir]

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Created by Rithik Agrawal

National Institute of Technology Karnataka (NITK), Surathkal

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Verified by M Naveen

National Institute of Technology (NIT), Warangal

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< Geometrical Properties of Circular Channel Section Calculators

Diameter of Section given Wetted Area

LaTeX Go Diameter of Section = sqrt(((180/pi)*(Subtended Angle in Radians)-(8*Wetted Surface Area of Circular Channel))/sin(Subtended Angle in Radians))

Wetted Area for Circle

LaTeX Go Wetted Surface Area of Circular Channel = (1/8)*((180/pi)*Subtended Angle in Radians-sin(Subtended Angle in Radians)*(Diameter of Section^2))

Diameter of Section given Wetted Perimeter

LaTeX Go Diameter of Section = Wetted Perimeter of Channel/(0.5*Subtended Angle in Radians*(180/pi))

Angle of Sector given Wetted Perimeter

LaTeX Go Subtended Angle in Radians = Wetted Perimeter of Channel/(0.5*Diameter of Section)*(pi/180)

Top Width for Circle Formula

LaTeX Go

Top Width of Circular Channel = Diameter of Section*sin(Subtended Angle in Radians/2)
T_cir = d_section*sin(θ_Angle/2)

What is Open Channel Flow?

Open-channel flow, a branch of hydraulics and fluid mechanics, is a type of liquid flow within a conduit or in channel with a free surface, known as a channel. The other type of flow within a conduit is pipe flow. These two types of flow are similar in many ways but differ in one important respect: the free surface.

How to Calculate Top Width for Circle?

Top Width for Circle calculator uses Top Width of Circular Channel = Diameter of Section*sin(Subtended Angle in Radians/2) to calculate the Top Width of Circular Channel, The Top Width for Circle formula is defined as sector length measured along the diametrical axis of the channel in flow. Top Width of Circular Channel is denoted by T_cir symbol.

How to calculate Top Width for Circle using this online calculator? To use this online calculator for Top Width for Circle, enter Diameter of Section (d_section) & Subtended Angle in Radians (θ_Angle) and hit the calculate button. Here is how the Top Width for Circle calculation can be explained with given input values -> 0.136991 = 5*sin(0.0548033385126116/2).

FAQ

What is Top Width for Circle?

The Top Width for Circle formula is defined as sector length measured along the diametrical axis of the channel in flow and is represented as T_cir = d_section*sin(θ_Angle/2) or Top Width of Circular Channel = Diameter of Section*sin(Subtended Angle in Radians/2). The Diameter of Section refers to the length of the segment that passes through the center of the circle and touches two points on the edge of the circle & Subtended Angle in Radians is the angle made by something from a given viewpoint.

How to calculate Top Width for Circle?

The Top Width for Circle formula is defined as sector length measured along the diametrical axis of the channel in flow is calculated using Top Width of Circular Channel = Diameter of Section*sin(Subtended Angle in Radians/2). To calculate Top Width for Circle, you need Diameter of Section (d_section) & Subtended Angle in Radians (θ_Angle). With our tool, you need to enter the respective value for Diameter of Section & Subtended Angle in Radians 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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