Critical Energy for Rectangular Channel Calculator

✖The Critical Depth of Rectangular Channel is defined as the depth of flow where energy is at a minimum for a particular discharge.ⓘ Critical Depth of Rectangular Channel [h_r]

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✖Critical energy of rectangular channel is the total energy (both potential and kinetic energy) at the point of jump formation.ⓘ Critical Energy for Rectangular Channel [E_r]

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Formula

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Critical Energy for Rectangular Channel

Formula

`"E"_{"r"} = 1.5*"h"_{"r"}`

Example

`"3.27m"=1.5*"2.18m"`

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Critical Energy for Rectangular Channel Solution

STEP 0: Pre-Calculation Summary

Formula Used

Critical Energy of Rectangular Channel = 1.5*Critical Depth of Rectangular Channel
E_r = 1.5*h_r
This formula uses 2 Variables

Variables Used

Critical Energy of Rectangular Channel - (Measured in Meter) - Critical energy of rectangular channel is the total energy (both potential and kinetic energy) at the point of jump formation.
Critical Depth of Rectangular Channel - (Measured in Meter) - The Critical Depth of Rectangular Channel is defined as the depth of flow where energy is at a minimum for a particular discharge.

STEP 1: Convert Input(s) to Base Unit

Critical Depth of Rectangular Channel: 2.18 Meter --> 2.18 Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

E_r = 1.5*h_r --> 1.5*2.18

Evaluating ... ...

E_r = 3.27

STEP 3: Convert Result to Output's Unit

3.27 Meter --> No Conversion Required

FINAL ANSWER

3.27 Meter <-- Critical Energy of Rectangular Channel

(Calculation completed in 00.004 seconds)

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Home » Engineering » Civil » Hydraulics and Waterworks » Flow in Open Channels » Critical Flow and its Computation » Critical Energy for Rectangular Channel

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Created by Rithik Agrawal

National Institute of Technology Karnataka (NITK), Surathkal

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Meerut Institute of Engineering and Technology (MIET), Meerut

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< 16 Critical Flow and its Computation Calculators

Discharge given Critical Depth for Parabolic Channel

Go Discharge of Channel = sqrt((Critical Depth of Parabolic Channel^4)*((Bed Slope)^2)*0.29629629629*[g])

Discharge given Critical Depth for Triangular Channel

Go Discharge of Channel = sqrt((Critical Depth of Triangular Channnel^5)*((Bed Slope)^2)*0.5*[g])

Side Slope of Channel given Critical Depth for Parabolic Channel

Go Bed Slope = (3.375*((Discharge of Channel)^2)/((Critical Depth of Parabolic Channel^4)*[g]))^(1/2)

Side Slope of Channel given Critical Depth for Triangular Channel

Go Bed Slope = (2*((Discharge of Channel)^2)/((Critical Depth of Triangular Channnel^5)*[g]))^(1/2)

Critical Depth for Parabolic Channel

Go Critical Depth of Parabolic Channel = (3.375*((Discharge of Channel/Bed Slope)^2)/[g])^(1/4)

Critical Depth for Triangular Channel

Go Critical Depth of Triangular Channnel = (2*((Discharge of Channel/Bed Slope)^2)/[g])^(1/5)

Critical Depth for Rectangular Channel

Go Critical Depth of Rectangular Channel = ((Discharge per unit Width^2)/([g]))^(1/3)

Discharge per unit Width given Critical Depth for Rectangular Channel

Go Discharge per unit Width = ((Critical Depth of Rectangular Channel^3)*[g])^(1/2)

Discharge given Critical Section Factor

Go Discharge of Channel = Section Factor*sqrt([g])

Critical Section Factor

Go Section Factor = Discharge of Channel/sqrt([g])

Critical Depth given Critical Energy for Rectangular Channel

Go Critical Depth of Rectangular Channel = Critical Energy of Rectangular Channel/1.5

Critical Depth given Critical Energy for Triangular Channel

Go Critical Depth of Triangular Channnel = Critical Energy of Triangular Channel/1.25

Critical Energy for Rectangular Channel

Go Critical Energy of Rectangular Channel = 1.5*Critical Depth of Rectangular Channel

Critical Energy for Triangular Channel

Go Critical Energy of Triangular Channel = Critical Depth of Triangular Channnel*1.25

Critical Depth of Flow given Critical Energy for Parabolic Channel

Go Critical Depth of Parabolic Channel = Critical energy of Parabolic Channel/(4/3)

Critical Energy for Parabolic Channel

Go Critical energy of Parabolic Channel = (4/3)*Critical Depth of Parabolic Channel

Critical Energy for Rectangular Channel Formula

Critical Energy of Rectangular Channel = 1.5*Critical Depth of Rectangular Channel
E_r = 1.5*h_r

What is Critical Energy of Channel?

In open channel flow, specific energy ( e ) is the energy length, or head, relative to the channel bottom. It is also the fundamental relationship used in the standard step method to calculate how the depth of a flow changes over a reach from the energy gained or lost due to the slope of the channel.

How to Calculate Critical Energy for Rectangular Channel?

Critical Energy for Rectangular Channel calculator uses Critical Energy of Rectangular Channel = 1.5*Critical Depth of Rectangular Channel to calculate the Critical Energy of Rectangular Channel, The Critical Energy for Rectangular Channel is defined as the minimum energy required to maintain steady flow without a free surface jump, preventing sediment deposition, and ensuring flow stability. Critical Energy of Rectangular Channel is denoted by E_r symbol.

How to calculate Critical Energy for Rectangular Channel using this online calculator? To use this online calculator for Critical Energy for Rectangular Channel, enter Critical Depth of Rectangular Channel (h_r) and hit the calculate button. Here is how the Critical Energy for Rectangular Channel calculation can be explained with given input values -> 3.27 = 1.5*2.18.

FAQ

What is Critical Energy for Rectangular Channel?

The Critical Energy for Rectangular Channel is defined as the minimum energy required to maintain steady flow without a free surface jump, preventing sediment deposition, and ensuring flow stability and is represented as E_r = 1.5*h_r or Critical Energy of Rectangular Channel = 1.5*Critical Depth of Rectangular Channel. The Critical Depth of Rectangular Channel is defined as the depth of flow where energy is at a minimum for a particular discharge.

How to calculate Critical Energy for Rectangular Channel?

The Critical Energy for Rectangular Channel is defined as the minimum energy required to maintain steady flow without a free surface jump, preventing sediment deposition, and ensuring flow stability is calculated using Critical Energy of Rectangular Channel = 1.5*Critical Depth of Rectangular Channel. To calculate Critical Energy for Rectangular Channel, you need Critical Depth of Rectangular Channel (h_r). With our tool, you need to enter the respective value for Critical Depth of Rectangular Channel 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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