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The Coefficient of Discharge is ratio of actual discharge to theoretical discharge. Check FAQs
Cd=((23)AR(815)Δt2gtan(θ2))((1h232)-(1HUpstream32))
Cd - Coefficient of Discharge?AR - Cross-Sectional Area of Reservoir?Δt - Time Interval?g - Acceleration due to Gravity?θ - Theta?h2 - Head on Downstream of Weir?HUpstream - Head on Upstream of Weir?

Coefficient of Discharge given Time required to Lower Liquid for Triangular Notch Example

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With units
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Here is how the Coefficient of Discharge given Time required to Lower Liquid for Triangular Notch equation looks like with Values.

Here is how the Coefficient of Discharge given Time required to Lower Liquid for Triangular Notch equation looks like with Units.

Here is how the Coefficient of Discharge given Time required to Lower Liquid for Triangular Notch equation looks like.

0.6101Edit=((23)13Edit(815)1.25Edit29.8Edittan(30Edit2))((15.1Edit32)-(110.1Edit32))
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Coefficient of Discharge given Time required to Lower Liquid for Triangular Notch Solution

Follow our step by step solution on how to calculate Coefficient of Discharge given Time required to Lower Liquid for Triangular Notch?

FIRST Step Consider the formula
Cd=((23)AR(815)Δt2gtan(θ2))((1h232)-(1HUpstream32))
Next Step Substitute values of Variables
Cd=((23)13(815)1.25s29.8m/s²tan(30°2))((15.1m32)-(110.1m32))
Next Step Convert Units
Cd=((23)13(815)1.25s29.8m/s²tan(0.5236rad2))((15.1m32)-(110.1m32))
Next Step Prepare to Evaluate
Cd=((23)13(815)1.2529.8tan(0.52362))((15.132)-(110.132))
Next Step Evaluate
Cd=0.610083797710571
LAST Step Rounding Answer
Cd=0.6101

Coefficient of Discharge given Time required to Lower Liquid for Triangular Notch Formula Elements

Variables
Functions
Coefficient of Discharge
The Coefficient of Discharge is ratio of actual discharge to theoretical discharge.
Symbol: Cd
Measurement: NAUnit: Unitless
Note: Value should be between 0 to 1.2.
Cross-Sectional Area of Reservoir
Cross-Sectional Area of Reservoir is the area of a reservoir that is obtained when a three-dimensional reservoir shape is sliced perpendicular to some specified axis at a point.
Symbol: AR
Measurement: AreaUnit:
Note: Value should be greater than 0.
Time Interval
Time interval is the time duration between two events/entities of interest.
Symbol: Δt
Measurement: TimeUnit: s
Note: Value should be greater than 0.
Acceleration due to Gravity
The Acceleration due to Gravity is acceleration gained by an object because of gravitational force.
Symbol: g
Measurement: AccelerationUnit: m/s²
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.
Head on Downstream of Weir
Head on Downstream of Weir pertains to the energy status of water in water flow systems and is useful for describing flow in hydraulic structures.
Symbol: h2
Measurement: LengthUnit: m
Note: Value can be positive or negative.
Head on Upstream of Weir
Head on Upstream of Weirr pertains to the energy status of water in water flow systems and is useful for describing flow in hydraulic structures.
Symbol: HUpstream
Measurement: LengthUnit: m
Note: Value can be positive or negative.
tan
The tangent of an angle is a trigonometric ratio of the length of the side opposite an angle to the length of the side adjacent to an angle in a right triangle.
Syntax: tan(Angle)
sqrt
A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number.
Syntax: sqrt(Number)

Other Formulas to find Coefficient of Discharge

​Go Coefficient of Discharge for Time Required to Lower Liquid Surface
Cd=(2AR(23)Δt2gLw)(1h2-1HUpstream)

Other formulas in Time Required to Empty a Reservoir with Rectangular Weir category

​Go Time Required to Lower Liquid Surface
Δt=(2AR(23)Cd2gLw)(1h2-1HUpstream)
​Go Length of Crest for time required to Lower Liquid Surface
Lw=(2AR(23)Cd2gΔt)(1h2-1HUpstream)

How to Evaluate Coefficient of Discharge given Time required to Lower Liquid for Triangular Notch?

Coefficient of Discharge given Time required to Lower Liquid for Triangular Notch evaluator uses Coefficient of Discharge = (((2/3)*Cross-Sectional Area of Reservoir)/((8/15)*Time Interval*sqrt(2*Acceleration due to Gravity)*tan(Theta/2)))*((1/Head on Downstream of Weir^(3/2))-(1/Head on Upstream of Weir^(3/2))) to evaluate the Coefficient of Discharge, The Coefficient of Discharge given Time required to Lower Liquid for Triangular Notch is ratio of actual discharge to theoretical discharge, i.e., ratio of mass flow rate at discharge end. Coefficient of Discharge is denoted by Cd symbol.

How to evaluate Coefficient of Discharge given Time required to Lower Liquid for Triangular Notch using this online evaluator? To use this online evaluator for Coefficient of Discharge given Time required to Lower Liquid for Triangular Notch, enter Cross-Sectional Area of Reservoir (AR), Time Interval (Δt), Acceleration due to Gravity (g), Theta (θ), Head on Downstream of Weir (h2) & Head on Upstream of Weir (HUpstream) and hit the calculate button.

FAQs on Coefficient of Discharge given Time required to Lower Liquid for Triangular Notch

What is the formula to find Coefficient of Discharge given Time required to Lower Liquid for Triangular Notch?
The formula of Coefficient of Discharge given Time required to Lower Liquid for Triangular Notch is expressed as Coefficient of Discharge = (((2/3)*Cross-Sectional Area of Reservoir)/((8/15)*Time Interval*sqrt(2*Acceleration due to Gravity)*tan(Theta/2)))*((1/Head on Downstream of Weir^(3/2))-(1/Head on Upstream of Weir^(3/2))). Here is an example- 0.610084 = (((2/3)*13)/((8/15)*1.25*sqrt(2*9.8)*tan(0.5235987755982/2)))*((1/5.1^(3/2))-(1/10.1^(3/2))).
How to calculate Coefficient of Discharge given Time required to Lower Liquid for Triangular Notch?
With Cross-Sectional Area of Reservoir (AR), Time Interval (Δt), Acceleration due to Gravity (g), Theta (θ), Head on Downstream of Weir (h2) & Head on Upstream of Weir (HUpstream) we can find Coefficient of Discharge given Time required to Lower Liquid for Triangular Notch using the formula - Coefficient of Discharge = (((2/3)*Cross-Sectional Area of Reservoir)/((8/15)*Time Interval*sqrt(2*Acceleration due to Gravity)*tan(Theta/2)))*((1/Head on Downstream of Weir^(3/2))-(1/Head on Upstream of Weir^(3/2))). This formula also uses Tangent (tan), Square Root (sqrt) function(s).
What are the other ways to Calculate Coefficient of Discharge?
Here are the different ways to Calculate Coefficient of Discharge-
  • Coefficient of Discharge=((2*Cross-Sectional Area of Reservoir)/((2/3)*Time Interval*sqrt(2*Acceleration due to Gravity)*Length of Weir Crest))*(1/sqrt(Head on Downstream of Weir)-1/sqrt(Head on Upstream of Weir))OpenImg
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