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Critical Energy for Rectangular Channel Formula

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Critical energy of rectangular channel is the total energy (both potential and kinetic energy) at the point of jump formation. Check FAQs

E r = 1.5 \cdot h r

E_r - Critical Energy of Rectangular Channel?h_r - Critical Depth of Rectangular Channel?

Critical Energy for Rectangular Channel Example

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Here is how the Critical Energy for Rectangular Channel equation looks like with Values.

Here is how the Critical Energy for Rectangular Channel equation looks like with Units.

Here is how the Critical Energy for Rectangular Channel equation looks like.

3.27 = 1.5 \cdot 2.18

3.27m = 1.5 \cdot 2.18m

3.27 = 1.5 \cdot 2.18

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Critical Energy for Rectangular Channel Solution

Follow our step by step solution on how to calculate Critical Energy for Rectangular Channel?

FIRST Step Consider the formula

E r = 1.5 \cdot h r

Next Step Substitute values of Variables

∴

E r = 1.5 \cdot 2.18m

Next Step Prepare to Evaluate

∴

E r = 1.5 \cdot 2.18

LAST Step Evaluate

∴

E r = 3.27m

Critical Energy for Rectangular Channel Formula Elements

Variables

Critical Energy of Rectangular Channel

Critical energy of rectangular channel is the total energy (both potential and kinetic energy) at the point of jump formation.

Symbol: E_r

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Critical Energy of Rectangular Channel

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.

Symbol: h_r

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Critical Depth of Rectangular Channel

Other formulas in Critical Flow and its Computation category

Go Critical Section Factor

Z = \frac{Q}{\sqrt{[g]}}

Go Discharge given Critical Section Factor

Q = Z \cdot \sqrt{[g]}

Go Critical Depth for Rectangular Channel

h r = {(\frac{q^{2}}{[g]})}^{\frac{1}{3}}

Go Discharge per unit Width given Critical Depth for Rectangular Channel

q = {(({h r}^{3}) \cdot [g])}^{\frac{1}{2}}

How to Evaluate Critical Energy for Rectangular Channel?

Critical Energy for Rectangular Channel evaluator uses Critical Energy of Rectangular Channel = 1.5*Critical Depth of Rectangular Channel to evaluate 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 evaluate Critical Energy for Rectangular Channel using this online evaluator? To use this online evaluator for Critical Energy for Rectangular Channel, enter Critical Depth of Rectangular Channel (h_r) and hit the calculate button.

FAQs on Critical Energy for Rectangular Channel

What is the formula to find Critical Energy for Rectangular Channel?

The formula of Critical Energy for Rectangular Channel is expressed as Critical Energy of Rectangular Channel = 1.5*Critical Depth of Rectangular Channel. Here is an example- 3.27 = 1.5*2.18.

How to calculate Critical Energy for Rectangular Channel?

With Critical Depth of Rectangular Channel (h_r) we can find Critical Energy for Rectangular Channel using the formula - Critical Energy of Rectangular Channel = 1.5*Critical Depth of Rectangular Channel.

Can the Critical Energy for Rectangular Channel be negative?

Yes, the Critical Energy for Rectangular Channel, measured in Length can be negative.

Which unit is used to measure Critical Energy for Rectangular Channel?

Critical Energy for Rectangular Channel is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Critical Energy for Rectangular Channel can be measured.

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