FormulaDen.com

Physics Chemistry Math Chemical Engineering Civil Electrical Electronics Electronics and Instrumentation Materials Science Mechanical Production Engineering Financial Health

Second Moment of Instantaneous Unit Hydrograph or IUH Formula

Fx Copy

LaTeX Copy

Second Moment of the IUH i.e. Instantaneous unit hydrograph. Check FAQs

M 2 = n \cdot (n + 1) \cdot K^{2}

M₂ - Second Moment of the IUH?n - Constant n?K - Constant K?

Second Moment of Instantaneous Unit Hydrograph or IUH Example

With values

With units

Only example

Here is how the Second Moment of Instantaneous Unit Hydrograph or IUH equation looks like with Values.

Here is how the Second Moment of Instantaneous Unit Hydrograph or IUH equation looks like with Units.

Here is how the Second Moment of Instantaneous Unit Hydrograph or IUH equation looks like.

192 = 3 \cdot (3 + 1) \cdot 4^{2}

192 = 3 \cdot (3 + 1) \cdot 4^{2}

192 = 3 \cdot (3 + 1) \cdot 4^{2}

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Engineering » Category

Civil » Category

Engineering Hydrology » fx Second Moment of Instantaneous Unit Hydrograph or IUH

Second Moment of Instantaneous Unit Hydrograph or IUH Solution

Follow our step by step solution on how to calculate Second Moment of Instantaneous Unit Hydrograph or IUH?

FIRST Step Consider the formula

M 2 = n \cdot (n + 1) \cdot K^{2}

Next Step Substitute values of Variables

∴

M 2 = 3 \cdot (3 + 1) \cdot 4^{2}

Next Step Prepare to Evaluate

∴

M 2 = 3 \cdot (3 + 1) \cdot 4^{2}

LAST Step Evaluate

∴

M 2 = 192

Second Moment of Instantaneous Unit Hydrograph or IUH Formula Elements

Variables

Second Moment of the IUH

Second Moment of the IUH i.e. Instantaneous unit hydrograph.

Symbol: M₂

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Second Moment of the IUH

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.

Formulas to find Constant n

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.

Formulas to find Constant K

Other formulas in Determination of n and S of Nash's Model category

Go First Moment of DRH about Time Origin divided by Total Direct Runoff

M Q1 = (n \cdot K) + M I1

Go First Moment of ERH about Time Origin divided by Total Effective Rainfall

M I1 = M Q1 - (n \cdot K)

Go Second Moment of ERH about Time Origin divided by Total Excess Rainfall

M I2 = M Q2 - (n \cdot (n + 1) \cdot K^{2}) - (2 \cdot n \cdot K \cdot M I1)

Go Second Moment of DRH about Time Origin divided by Total Direct Runoff

M Q2 = (n \cdot (n + 1) \cdot K^{2}) + (2 \cdot n \cdot K \cdot M I1) + M I2

How to Evaluate Second Moment of Instantaneous Unit Hydrograph or IUH?

Second Moment of Instantaneous Unit Hydrograph or IUH evaluator uses Second Moment of the IUH = Constant n*(Constant n+1)*Constant K^2 to evaluate the Second Moment of the IUH, The Second Moment of Instantaneous Unit Hydrograph or IUH formula is defined as the moment of the instantaneous unit hydrograph of a watershed where the result is one instantaneous unit of rainfall excess distributed uniformly over the watershed. Second Moment of the IUH is denoted by M₂ symbol.

How to evaluate Second Moment of Instantaneous Unit Hydrograph or IUH using this online evaluator? To use this online evaluator for Second Moment of Instantaneous Unit Hydrograph or IUH, enter Constant n (n) & Constant K (K) and hit the calculate button.

FAQs on Second Moment of Instantaneous Unit Hydrograph or IUH

What is the formula to find Second Moment of Instantaneous Unit Hydrograph or IUH?

The formula of Second Moment of Instantaneous Unit Hydrograph or IUH is expressed as Second Moment of the IUH = Constant n*(Constant n+1)*Constant K^2. Here is an example- 0.1452 = 3*(3+1)*4^2.

How to calculate Second Moment of Instantaneous Unit Hydrograph or IUH?

With Constant n (n) & Constant K (K) we can find Second Moment of Instantaneous Unit Hydrograph or IUH using the formula - Second Moment of the IUH = Constant n*(Constant n+1)*Constant K^2.

Let Others Know

✖

Facebook

Twitter

Copied!

Second Moment of Instantaneous Unit Hydrograph or IUH Formula

Second Moment of Instantaneous Unit Hydrograph or IUH Example

Second Moment of Instantaneous Unit Hydrograph or IUH Solution

Second Moment of Instantaneous Unit Hydrograph or IUH Formula Elements

Other formulas in Determination of n and S of Nash's Model category

How to Evaluate Second Moment of Instantaneous Unit Hydrograph or IUH?

FAQs on Second Moment of Instantaneous Unit Hydrograph or IUH

Variable Name