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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. Check FAQs
dsection=Rh(cir)0.25(1-(sin(θAngle)(180π)θAngle))
dsection - Diameter of Section?Rh(cir) - Hydraulic Radius of Circular Channel?θAngle - Subtended Angle in Radians?π - Archimedes' constant?

Diameter of Section given Hydraulic Radius for Channel Example

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Here is how the Diameter of Section given Hydraulic Radius for Channel equation looks like with Values.

Here is how the Diameter of Section given Hydraulic Radius for Channel equation looks like with Units.

Here is how the Diameter of Section given Hydraulic Radius for Channel equation looks like.

5.0888Edit=1.25Edit0.25(1-(sin(3.14Edit)(1803.1416)3.14Edit))
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Diameter of Section given Hydraulic Radius for Channel Solution

Follow our step by step solution on how to calculate Diameter of Section given Hydraulic Radius for Channel?

FIRST Step Consider the formula
dsection=Rh(cir)0.25(1-(sin(θAngle)(180π)θAngle))
Next Step Substitute values of Variables
dsection=1.25m0.25(1-(sin(3.14°)(180π)3.14°))
Next Step Substitute values of Constants
dsection=1.25m0.25(1-(sin(3.14°)(1803.1416)3.14°))
Next Step Convert Units
dsection=1.25m0.25(1-(sin(0.0548rad)(1803.1416)0.0548rad))
Next Step Prepare to Evaluate
dsection=1.250.25(1-(sin(0.0548)(1803.1416)0.0548))
Next Step Evaluate
dsection=5.08877136352652m
LAST Step Rounding Answer
dsection=5.0888m

Diameter of Section given Hydraulic Radius for Channel Formula Elements

Variables
Constants
Functions
Diameter of Section
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.
Symbol: dsection
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Hydraulic Radius of Circular Channel
Hydraulic Radius of Circular Channel is the ratio of the cross-sectional area of a channel or pipe in which a fluid is flowing to the wet perimeter of the conduit.
Symbol: Rh(cir)
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Subtended Angle in Radians
Subtended Angle in Radians is the angle made by something from a given viewpoint.
Symbol: θAngle
Measurement: AngleUnit: °
Note: Value should be greater than 0.
Archimedes' constant
Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.
Symbol: π
Value: 3.14159265358979323846264338327950288
sin
Sine is a trigonometric function that describes the ratio of the length of the opposite side of a right triangle to the length of the hypotenuse.
Syntax: sin(Angle)

Other Formulas to find Diameter of Section

​Go Diameter of Section given Wetted Area
dsection=(180π)(θAngle)-(8Aw(cir))sin(θAngle)
​Go Diameter of Section given Wetted Perimeter
dsection=p0.5θAngle(180π)
​Go Diameter of Section given Top Width
dsection=Tcirsin(θAngle2)
​Go Diameter of Section given Hydraulic Depth
dsection=Dcir0.125((θAngle(180π))-sin(θAngle)sin(θAngle2))

Other formulas in Geometrical Properties of Circular Channel Section category

​Go Wetted Area for Circle
Aw(cir)=(18)((180π)θAngle-sin(θAngle)(dsection2))
​Go Angle of Sector given Wetted Perimeter
θAngle=p0.5dsection(π180)
​Go Wetted Perimeter for circle
p=0.5θAngledsection180π
​Go Hydraulic Radius given Angle
Rh(cir)=0.25dsection(1-sin(θAngle)180πθAngle)

How to Evaluate Diameter of Section given Hydraulic Radius for Channel?

Diameter of Section given Hydraulic Radius for Channel evaluator uses Diameter of Section = Hydraulic Radius of Circular Channel/(0.25*(1-(sin(Subtended Angle in Radians)/((180/pi)*Subtended Angle in Radians)))) to evaluate the Diameter of Section, Diameter of Section given Hydraulic Radius for Channel formula is defined as The diameter of a circular channel can be determined when the hydraulic radius, which is the cross-sectional area divided by the wetted perimeter, is known. Diameter of Section is denoted by dsection symbol.

How to evaluate Diameter of Section given Hydraulic Radius for Channel using this online evaluator? To use this online evaluator for Diameter of Section given Hydraulic Radius for Channel, enter Hydraulic Radius of Circular Channel (Rh(cir)) & Subtended Angle in Radians Angle) and hit the calculate button.

FAQs on Diameter of Section given Hydraulic Radius for Channel

What is the formula to find Diameter of Section given Hydraulic Radius for Channel?
The formula of Diameter of Section given Hydraulic Radius for Channel is expressed as Diameter of Section = Hydraulic Radius of Circular Channel/(0.25*(1-(sin(Subtended Angle in Radians)/((180/pi)*Subtended Angle in Radians)))). Here is an example- 5.088771 = 1.25/(0.25*(1-(sin(0.0548033385126116)/((180/pi)*0.0548033385126116)))).
How to calculate Diameter of Section given Hydraulic Radius for Channel?
With Hydraulic Radius of Circular Channel (Rh(cir)) & Subtended Angle in Radians Angle) we can find Diameter of Section given Hydraulic Radius for Channel using the formula - Diameter of Section = Hydraulic Radius of Circular Channel/(0.25*(1-(sin(Subtended Angle in Radians)/((180/pi)*Subtended Angle in Radians)))). This formula also uses Archimedes' constant and Sine (sin) function(s).
What are the other ways to Calculate Diameter of Section?
Here are the different ways to Calculate Diameter of Section-
  • Diameter of Section=sqrt(((180/pi)*(Subtended Angle in Radians)-(8*Wetted Surface Area of Circular Channel))/sin(Subtended Angle in Radians))OpenImg
  • Diameter of Section=Wetted Perimeter of Channel/(0.5*Subtended Angle in Radians*(180/pi))OpenImg
  • Diameter of Section=Top Width of Circular Channel/sin(Subtended Angle in Radians/2)OpenImg
Can the Diameter of Section given Hydraulic Radius for Channel be negative?
No, the Diameter of Section given Hydraulic Radius for Channel, measured in Length cannot be negative.
Which unit is used to measure Diameter of Section given Hydraulic Radius for Channel?
Diameter of Section given Hydraulic Radius for Channel is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Diameter of Section given Hydraulic Radius for Channel can be measured.
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