Total Fall of Level from Critical Point to Mouth of Drain given Inlet Time Calculator

✖Length of Overland Flow is a length of water over the ground before it gets concentrated into certain stream channels.ⓘ Length of Overland Flow [L_ob]			+10% -10%
✖Inlet Time is the time taken by water to flow overland.ⓘ Inlet Time [T_i]			+10% -10%

✖Fall of level from the critical point to the point of mouth of drain.ⓘ Total Fall of Level from Critical Point to Mouth of Drain given Inlet Time [H]

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Formula

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Total Fall of Level from Critical Point to Mouth of Drain given Inlet Time

Formula

`"H" = ("L"_{"ob"})^3/(("T"_{"i"})^(1/0.385)/0.885)`

Example

`"10.00505m"=("4km")^3/(("94.78min")^(1/0.385)/0.885)`

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Total Fall of Level from Critical Point to Mouth of Drain given Inlet Time Solution

STEP 0: Pre-Calculation Summary

Formula Used

Fall of level = (Length of Overland Flow)^3/((Inlet Time)^(1/0.385)/0.885)
H = (L_ob)^3/((T_i)^(1/0.385)/0.885)
This formula uses 3 Variables

Variables Used

Fall of level - (Measured in Meter) - Fall of level from the critical point to the point of mouth of drain.
Length of Overland Flow - (Measured in Meter) - Length of Overland Flow is a length of water over the ground before it gets concentrated into certain stream channels.
Inlet Time - (Measured in Second) - Inlet Time is the time taken by water to flow overland.

STEP 1: Convert Input(s) to Base Unit

Length of Overland Flow: 4 Kilometer --> 4000 Meter (Check conversion here)
Inlet Time: 94.78 Minute --> 5686.8 Second (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

H = (L_ob)^3/((T_i)^(1/0.385)/0.885) --> (4000)^3/((5686.8)^(1/0.385)/0.885)

Evaluating ... ...

H = 10.0050546711722

STEP 3: Convert Result to Output's Unit

10.0050546711722 Meter --> No Conversion Required

FINAL ANSWER

10.0050546711722 ≈ 10.00505 Meter <-- Fall of level

(Calculation completed in 00.004 seconds)

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Home » Engineering » Civil » Environmental Engineering » Estimating the Peak Drainage Discharge » Time of Concentration » Total Fall of Level from Critical Point to Mouth of Drain given Inlet Time

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Created by Suraj Kumar

Birsa Institute of Technology (BIT), Sindri

Suraj Kumar has created this Calculator and 2200+ more calculators!

Verified by Ishita Goyal

Meerut Institute of Engineering and Technology (MIET), Meerut

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< 6 Time of Concentration Calculators

Length of Overland Flow given Inlet Time

Go Length of Overland Flow = (((Inlet Time)^(1/0.385)*Fall of level)/0.885)^(1/3)

Total Fall of Level from Critical Point to Mouth of Drain given Inlet Time

Go Fall of level = (Length of Overland Flow)^3/((Inlet Time)^(1/0.385)/0.885)

Inlet Time or Time of Equilibrium

Go Inlet Time = (0.885*((Length of Overland Flow)^3/Fall of level))^0.385

Channel Flow Time given Total Time of Concentration

Go Channel Flow Time = Time of Concentration-Inlet Time

Inlet Time given Total Time of Concentration

Go Inlet Time = Time of Concentration-Channel Flow Time

Total Time of Concentration

Go Time of Concentration = Inlet Time+Channel Flow Time

Total Fall of Level from Critical Point to Mouth of Drain given Inlet Time Formula

Fall of level = (Length of Overland Flow)^3/((Inlet Time)^(1/0.385)/0.885)
H = (L_ob)^3/((T_i)^(1/0.385)/0.885)

What is Overland Flow ?

Overland flow describes the tendency of water to flow horizontally across land surfaces when rainfall has exceeded infiltration capacity and depression storage capacity.

How to Calculate Total Fall of Level from Critical Point to Mouth of Drain given Inlet Time?

Total Fall of Level from Critical Point to Mouth of Drain given Inlet Time calculator uses Fall of level = (Length of Overland Flow)^3/((Inlet Time)^(1/0.385)/0.885) to calculate the Fall of level, The Total Fall of Level from Critical Point to Mouth of Drain given Inlet Time is defined as the fall of level when we have prior information of the length of overland flow and inlet time. Fall of level is denoted by H symbol.

How to calculate Total Fall of Level from Critical Point to Mouth of Drain given Inlet Time using this online calculator? To use this online calculator for Total Fall of Level from Critical Point to Mouth of Drain given Inlet Time, enter Length of Overland Flow (L_ob) & Inlet Time (T_i) and hit the calculate button. Here is how the Total Fall of Level from Critical Point to Mouth of Drain given Inlet Time calculation can be explained with given input values -> 10.00505 = (4000)^3/((5686.8)^(1/0.385)/0.885).

FAQ

What is Total Fall of Level from Critical Point to Mouth of Drain given Inlet Time?

The Total Fall of Level from Critical Point to Mouth of Drain given Inlet Time is defined as the fall of level when we have prior information of the length of overland flow and inlet time and is represented as H = (L_ob)^3/((T_i)^(1/0.385)/0.885) or Fall of level = (Length of Overland Flow)^3/((Inlet Time)^(1/0.385)/0.885). Length of Overland Flow is a length of water over the ground before it gets concentrated into certain stream channels & Inlet Time is the time taken by water to flow overland.

How to calculate Total Fall of Level from Critical Point to Mouth of Drain given Inlet Time?

The Total Fall of Level from Critical Point to Mouth of Drain given Inlet Time is defined as the fall of level when we have prior information of the length of overland flow and inlet time is calculated using Fall of level = (Length of Overland Flow)^3/((Inlet Time)^(1/0.385)/0.885). To calculate Total Fall of Level from Critical Point to Mouth of Drain given Inlet Time, you need Length of Overland Flow (L_ob) & Inlet Time (T_i). With our tool, you need to enter the respective value for Length of Overland Flow & Inlet Time and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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