Critical velocity considering flow in open channels Calculator

⤿

Properties of Surfaces and Solids

Draft Tube

Flow Characteristics

Orifices and Mouthpieces

Viscous Flow

⤿

Flow in Open Channels

Closed Channel

✖Critical depth for flow in open channel is defined as the depth of flow where energy is at a minimum for a particular discharge in the open channel.ⓘ Critical Depth for Flow in Open Channel [h_c]

+10%

-10%

✖Critical velocity for flow in open channel is the greatest velocity with which a fluid can flow through a given conduit without becoming turbulent.ⓘ Critical velocity considering flow in open channels [V_c]

⎘ Copy

👎

Formula

✖

Critical velocity considering flow in open channels

Formula

`"V"_{"c"} = sqrt("[g]"*"h"_{"c"})`

Example

`"1.953148m/s"=sqrt("[g]"*"0.389m")`

Calculator

LaTeX

Reset

👍

Download Flow in Open Channels Formulas PDF PDF Image

Critical velocity considering flow in open channels Solution

STEP 0: Pre-Calculation Summary

Formula Used

Critical Velocity for Flow in Open Channel = sqrt([g]*Critical Depth for Flow in Open Channel)
V_c = sqrt([g]*h_c)
This formula uses 1 Constants, 1 Functions, 2 Variables

Constants Used

[g] - Gravitational acceleration on Earth Value Taken As 9.80665

Functions Used

sqrt - A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number., sqrt(Number)

Variables Used

Critical Velocity for Flow in Open Channel - (Measured in Meter per Second) - Critical velocity for flow in open channel is the greatest velocity with which a fluid can flow through a given conduit without becoming turbulent.
Critical Depth for Flow in Open Channel - (Measured in Meter) - Critical depth for flow in open channel is defined as the depth of flow where energy is at a minimum for a particular discharge in the open channel.

STEP 1: Convert Input(s) to Base Unit

Critical Depth for Flow in Open Channel: 0.389 Meter --> 0.389 Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

V_c = sqrt([g]*h_c) --> sqrt([g]*0.389)

Evaluating ... ...

V_c = 1.95314793346536

STEP 3: Convert Result to Output's Unit

1.95314793346536 Meter per Second --> No Conversion Required

FINAL ANSWER

1.95314793346536 ≈ 1.953148 Meter per Second <-- Critical Velocity for Flow in Open Channel

(Calculation completed in 00.004 seconds)

You are here -

Home » Physics » Fluid Mechanics » Properties of Surfaces and Solids » Flow in Open Channels » Critical velocity considering flow in open channels

Credits

Created by Maiarutselvan V

PSG College of Technology (PSGCT), Coimbatore

Maiarutselvan V has created this Calculator and 300+ more calculators!

Verified by Sanjay Krishna

Amrita School of Engineering (ASE), Vallikavu

Sanjay Krishna has verified this Calculator and 200+ more calculators!

< 19 Flow in Open Channels Calculators

Chezy's constant considering Kutter's formula

Go Chezy's Constant for Flow in Open Channel = (23+(0.00155/Slope of Bed of Open Channel)+(1/Manning’s Coefficient for Open Channel Flow))/(1+(23+(0.00155/Slope of Bed of Open Channel))*(Manning’s Coefficient for Open Channel Flow/sqrt(Hydraulic Mean Depth for Open Channel)))

Area of Flow for Circular Channel

Go Area of Flow of Circular Channel = (Radius of Circular Open Channel^2)*(Half Angle by Water Surface in Circular Channel-((sin(2*Half Angle by Water Surface in Circular Channel))/2))

Chezy's constant considering velocity

Go Chezy's Constant for Flow in Open Channel = Flow Velocity in Open Channel/(sqrt(Hydraulic Mean Depth for Open Channel*Slope of Bed of Open Channel))

Velocity of Chezy's formula

Go Flow Velocity in Open Channel = Chezy's Constant for Flow in Open Channel*sqrt(Hydraulic Mean Depth for Open Channel*Slope of Bed of Open Channel)

Hydraulic mean depth using Chezy's formula

Go Hydraulic Mean Depth for Open Channel = (1/Slope of Bed of Open Channel)*(Flow Velocity in Open Channel/Chezy's Constant for Flow in Open Channel)^2

Bazin's constant

Go Bazin's Constant for Flow in Open Channel = (sqrt(Hydraulic Mean Depth for Open Channel))*((157.6/Chezy's Constant for Flow in Open Channel)-1.81)

Chezy's constant considering Bazin formula

Go Chezy's Constant for Flow in Open Channel = 157.6/(1.81+(Bazin's Constant for Flow in Open Channel/sqrt(Hydraulic Mean Depth for Open Channel)))

Hydraulic mean depth considering Bazin formula

Go Hydraulic Mean Depth for Open Channel = (Bazin's Constant for Flow in Open Channel/(((157.6/Chezy's Constant for Flow in Open Channel)-1.81)))^2

Chezy's constant considering Manning's formula

Go Chezy's Constant for Flow in Open Channel = (1/Manning’s Coefficient for Open Channel Flow)*(Hydraulic Mean Depth for Open Channel^(1/6))

Manning's coefficient or constant

Go Manning’s Coefficient for Open Channel Flow = (1/Chezy's Constant for Flow in Open Channel)*Hydraulic Mean Depth for Open Channel^(1/6)

Hydraulic mean depth considering Manning's formula

Go Hydraulic Mean Depth for Open Channel = (Chezy's Constant for Flow in Open Channel*Manning’s Coefficient for Open Channel Flow)^6

Discharge per unit width considering flow in open channels

Go Discharge Per Unit Width in Open Channel = sqrt((Critical Depth for Flow in Open Channel^3)*[g])

Radius of Circular Channel using Wetted Perimeter

Go Radius of Circular Open Channel = Wetted Perimeter of Circular Open Channel/(2*Half Angle by Water Surface in Circular Channel)

Critical velocity considering flow in open channels

Go Critical Velocity for Flow in Open Channel = sqrt([g]*Critical Depth for Flow in Open Channel)

Wetted Perimeter for Circular Channel

Go Wetted Perimeter of Circular Open Channel = 2*Radius of Circular Open Channel*Half Angle by Water Surface in Circular Channel

Critical depth considering flow in open channels

Go Critical Depth for Flow in Open Channel = ((Discharge Per Unit Width in Open Channel^2)/[g])^(1/3)

Critical Depth using Critical Velocity

Go Critical Depth for Flow in Open Channel = (Critical Velocity for Flow in Open Channel^2)/[g]

Critical depth considering minimum specific energy

Go Critical Depth for Flow in Open Channel = (2/3)*Minimum Specific Energy for Open Channel Flow

Minimum Specific Energy using Critical Depth

Go Minimum Specific Energy for Open Channel Flow = (3/2)*Critical Depth for Flow in Open Channel

Critical velocity considering flow in open channels Formula

Critical Velocity for Flow in Open Channel = sqrt([g]*Critical Depth for Flow in Open Channel)
V_c = sqrt([g]*h_c)

What is critical depth in open channels?

The concept of critical depth is conventionally defined in open-channel hydraulics (Chow 1959; Montes 1998; Chanson 2004) as the depth at which the specific energy reaches a minimum value, considering the mean specific energy Hm within the whole flow section inflows with parallel streamlines.

What is meant by critical velocity?

Critical velocity is defined as the speed at which a falling object reaches when both gravity and air resistance are equalized on the object. The other way of defining critical velocity is the speed and direction at which the fluid can flow through a conduit without becoming turbulent.

How to Calculate Critical velocity considering flow in open channels?

Critical velocity considering flow in open channels calculator uses Critical Velocity for Flow in Open Channel = sqrt([g]*Critical Depth for Flow in Open Channel) to calculate the Critical Velocity for Flow in Open Channel, The Critical velocity considering flow in open channels formula is known with the square root of the gravity and critical depth. Critical Velocity for Flow in Open Channel is denoted by V_c symbol.

How to calculate Critical velocity considering flow in open channels using this online calculator? To use this online calculator for Critical velocity considering flow in open channels, enter Critical Depth for Flow in Open Channel (h_c) and hit the calculate button. Here is how the Critical velocity considering flow in open channels calculation can be explained with given input values -> 1.953148 = sqrt([g]*0.389).

FAQ

What is Critical velocity considering flow in open channels?

The Critical velocity considering flow in open channels formula is known with the square root of the gravity and critical depth and is represented as V_c = sqrt([g]*h_c) or Critical Velocity for Flow in Open Channel = sqrt([g]*Critical Depth for Flow in Open Channel). Critical depth for flow in open channel is defined as the depth of flow where energy is at a minimum for a particular discharge in the open channel.

How to calculate Critical velocity considering flow in open channels?

The Critical velocity considering flow in open channels formula is known with the square root of the gravity and critical depth is calculated using Critical Velocity for Flow in Open Channel = sqrt([g]*Critical Depth for Flow in Open Channel). To calculate Critical velocity considering flow in open channels, you need Critical Depth for Flow in Open Channel (h_c). With our tool, you need to enter the respective value for Critical Depth for Flow in Open Channel and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

Home

FREE PDFs

🔍 Search