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Wetted Surface Area of Channel [length^2] is the total area of outer surface in contact with the surrounding water. Check FAQs
A=(df2)(θ+cot(θ))
A - Wetted Surface Area of Channel?df - Depth of Flow?θ - Theta?

Wetted Area of Triangular Channel Section Example

With values
With units
Only example

Here is how the Wetted Area of Triangular Channel Section equation looks like with Values.

Here is how the Wetted Area of Triangular Channel Section equation looks like with Units.

Here is how the Wetted Area of Triangular Channel Section equation looks like.

24.564Edit=(3.3Edit2)(30Edit+cot(30Edit))
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Wetted Area of Triangular Channel Section Solution

Follow our step by step solution on how to calculate Wetted Area of Triangular Channel Section?

FIRST Step Consider the formula
A=(df2)(θ+cot(θ))
Next Step Substitute values of Variables
A=(3.3m2)(30°+cot(30°))
Next Step Convert Units
A=(3.3m2)(0.5236rad+cot(0.5236rad))
Next Step Prepare to Evaluate
A=(3.32)(0.5236+cot(0.5236))
Next Step Evaluate
A=24.5640239606895
LAST Step Rounding Answer
A=24.564

Wetted Area of Triangular Channel Section Formula Elements

Variables
Functions
Wetted Surface Area of Channel
Wetted Surface Area of Channel [length^2] is the total area of outer surface in contact with the surrounding water.
Symbol: A
Measurement: AreaUnit:
Note: Value can be positive or negative.
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: df
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Theta
Theta is an angle that can be defined as the figure formed by two rays meeting at a common endpoint.
Symbol: θ
Measurement: AngleUnit: °
Note: Value can be positive or negative.
cot
Cotangent is a trigonometric function that is defined as the ratio of the adjacent side to the opposite side in a right triangle.
Syntax: cot(Angle)

Other Formulas to find Wetted Surface Area of Channel

​Go Wetted Area of Trapezoidal Channel Section
A=df(B+df(θ+cot(θ)))

Other formulas in Practical Channel Sections category

​Go Depth of Flow given Wetted Area of Triangular Channel Section
df=Aθ+cot(θ)
​Go Depth of Flow given Wetted Perimeter of Triangular Channel Section
df=p2(θ+cot(θ))
​Go Wetted Perimeter of Triangular Channel Section
p=2df(θ+cot(θ))
​Go Hydraulic Radius of Triangular Channel Section
RH=df2

How to Evaluate Wetted Area of Triangular Channel Section?

Wetted Area of Triangular Channel Section evaluator uses Wetted Surface Area of Channel = (Depth of Flow^2)*(Theta+cot(Theta)) to evaluate the Wetted Surface Area of Channel, The Wetted Area of Triangular Channel Section is defined as area which in contact with water in open channel flow. Wetted Surface Area of Channel is denoted by A symbol.

How to evaluate Wetted Area of Triangular Channel Section using this online evaluator? To use this online evaluator for Wetted Area of Triangular Channel Section, enter Depth of Flow (df) & Theta (θ) and hit the calculate button.

FAQs on Wetted Area of Triangular Channel Section

What is the formula to find Wetted Area of Triangular Channel Section?
The formula of Wetted Area of Triangular Channel Section is expressed as Wetted Surface Area of Channel = (Depth of Flow^2)*(Theta+cot(Theta)). Here is an example- 24.56402 = (3.3^2)*(0.5235987755982+cot(0.5235987755982)).
How to calculate Wetted Area of Triangular Channel Section?
With Depth of Flow (df) & Theta (θ) we can find Wetted Area of Triangular Channel Section using the formula - Wetted Surface Area of Channel = (Depth of Flow^2)*(Theta+cot(Theta)). This formula also uses Cotangent (cot) function(s).
What are the other ways to Calculate Wetted Surface Area of Channel?
Here are the different ways to Calculate Wetted Surface Area of Channel-
  • Wetted Surface Area of Channel=Depth of Flow*(Width of Trapezoidal Channel Section+Depth of Flow*(Theta+cot(Theta)))OpenImg
Can the Wetted Area of Triangular Channel Section be negative?
Yes, the Wetted Area of Triangular Channel Section, measured in Area can be negative.
Which unit is used to measure Wetted Area of Triangular Channel Section?
Wetted Area of Triangular Channel Section is usually measured using the Square Meter[m²] for Area. Square Kilometer[m²], Square Centimeter[m²], Square Millimeter[m²] are the few other units in which Wetted Area of Triangular Channel Section can be measured.
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