Ordinates of Instantaneous Unit Hydrograph representing IUH of Catchment Formula

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Ordinates of Unit Hydrograph with respect to time 't'. Check FAQs
Ut=(1((n-1)!)(Kn))(Δtn-1)exp(-Δtn)
Ut - Ordinates of Unit Hydrograph?n - Constant n?K - Constant K?Δt - Time Interval?

Ordinates of Instantaneous Unit Hydrograph representing IUH of Catchment Example

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With units
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Here is how the Ordinates of Instantaneous Unit Hydrograph representing IUH of Catchment equation looks like with Values.

Here is how the Ordinates of Instantaneous Unit Hydrograph representing IUH of Catchment equation looks like with Units.

Here is how the Ordinates of Instantaneous Unit Hydrograph representing IUH of Catchment equation looks like.

0.0369Edit=(1((3Edit-1)!)(4Edit3Edit))(5Edit3Edit-1)exp(-5Edit3Edit)
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Ordinates of Instantaneous Unit Hydrograph representing IUH of Catchment Solution

Follow our step by step solution on how to calculate Ordinates of Instantaneous Unit Hydrograph representing IUH of Catchment?

FIRST Step Consider the formula
Ut=(1((n-1)!)(Kn))(Δtn-1)exp(-Δtn)
Next Step Substitute values of Variables
Ut=(1((3-1)!)(43))(5s3-1)exp(-5s3)
Next Step Prepare to Evaluate
Ut=(1((3-1)!)(43))(53-1)exp(-53)
Next Step Evaluate
Ut=1.02471572720031E-07m/s
Next Step Convert to Output's Unit
Ut=0.0368897661792113cm/h
LAST Step Rounding Answer
Ut=0.0369cm/h

Ordinates of Instantaneous Unit Hydrograph representing IUH of Catchment Formula Elements

Variables
Functions
Ordinates of Unit Hydrograph
Ordinates of Unit Hydrograph with respect to time 't'.
Symbol: Ut
Measurement: SpeedUnit: cm/h
Note: Value should be greater than 0.
Constant n
Constant n is for the catchment to be determined by the effective rainfall of the catchment.
Symbol: n
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Constant K
Constant K is for the catchment to be determined by flood hydrograph characteristics of the catchment.
Symbol: K
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Time Interval
Time Interval is the amount of time required for the change from the initial to the final state.
Symbol: Δt
Measurement: TimeUnit: s
Note: Value should be greater than 0.
exp
n an exponential function, the value of the function changes by a constant factor for every unit change in the independent variable.
Syntax: exp(Number)

Other formulas in Nash's Conceptual Model category

​Go Equation for Inflow from Continuity Equation
I=KRdq/dt+Q
​Go Outflow in First Reservoir
Qn=(1K)exp(-ΔtK)
​Go Outflow in Second Reservoir
Qn=(1K2)Δtexp(-ΔtK)
​Go Outflow in Third Reservoir
Qn=(12)(1K3)(Δt2)exp(-ΔtK)

How to Evaluate Ordinates of Instantaneous Unit Hydrograph representing IUH of Catchment?

Ordinates of Instantaneous Unit Hydrograph representing IUH of Catchment evaluator uses Ordinates of Unit Hydrograph = (1/(((Constant n-1)!)*(Constant K^Constant n)))*(Time Interval^(Constant n-1))*exp(-Time Interval/Constant n) to evaluate the Ordinates of Unit Hydrograph, The Ordinates of Instantaneous Unit Hydrograph representing IUH of Catchment formula is defined as the hydrograph of direct runoff resulting from a unit depth of effective rainfall generated uniformly over watershed in an infinitesimally small period. Ordinates of Unit Hydrograph is denoted by Ut symbol.

How to evaluate Ordinates of Instantaneous Unit Hydrograph representing IUH of Catchment using this online evaluator? To use this online evaluator for Ordinates of Instantaneous Unit Hydrograph representing IUH of Catchment, enter Constant n (n), Constant K (K) & Time Interval (Δt) and hit the calculate button.

FAQs on Ordinates of Instantaneous Unit Hydrograph representing IUH of Catchment

What is the formula to find Ordinates of Instantaneous Unit Hydrograph representing IUH of Catchment?
The formula of Ordinates of Instantaneous Unit Hydrograph representing IUH of Catchment is expressed as Ordinates of Unit Hydrograph = (1/(((Constant n-1)!)*(Constant K^Constant n)))*(Time Interval^(Constant n-1))*exp(-Time Interval/Constant n). Here is an example- 13280.32 = (1/(((3-1)!)*(4^3)))*(5^(3-1))*exp(-5/3).
How to calculate Ordinates of Instantaneous Unit Hydrograph representing IUH of Catchment?
With Constant n (n), Constant K (K) & Time Interval (Δt) we can find Ordinates of Instantaneous Unit Hydrograph representing IUH of Catchment using the formula - Ordinates of Unit Hydrograph = (1/(((Constant n-1)!)*(Constant K^Constant n)))*(Time Interval^(Constant n-1))*exp(-Time Interval/Constant n). This formula also uses Exponential Growth Function function(s).
Can the Ordinates of Instantaneous Unit Hydrograph representing IUH of Catchment be negative?
No, the Ordinates of Instantaneous Unit Hydrograph representing IUH of Catchment, measured in Speed cannot be negative.
Which unit is used to measure Ordinates of Instantaneous Unit Hydrograph representing IUH of Catchment?
Ordinates of Instantaneous Unit Hydrograph representing IUH of Catchment is usually measured using the Centimeter per Hour[cm/h] for Speed. Meter per Second[cm/h], Meter per Minute[cm/h], Meter per Hour[cm/h] are the few other units in which Ordinates of Instantaneous Unit Hydrograph representing IUH of Catchment can be measured.
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