Length of Weir Considering Bazin's formula without Velocity of Approach Calculator

✖Discharge Weir is the rate of flow of a liquid.ⓘ Discharge Weir [Q]			+10% -10%
✖Arc Length of Circle is the length of a piece of curve cut from the circumference of the Circle at particular central angle.ⓘ Arc Length of Circle [l_a]			+10% -10%

✖The Length of Notches the of the base of weir through which discharge is taking place.ⓘ Length of Weir Considering Bazin's formula without Velocity of Approach [L_n]

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Length of Weir Considering Bazin's formula without Velocity of Approach Solution

STEP 0: Pre-Calculation Summary

Formula Used

Length of Notches = Discharge Weir/(0.405+0.003/Arc Length of Circle)*sqrt(2*[g])*Arc Length of Circle^(3/2)
L_n = Q/(0.405+0.003/l_a)*sqrt(2*[g])*l_a^(3/2)
This formula uses 1 Constants, 1 Functions, 3 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

Length of Notches - (Measured in Meter) - The Length of Notches the of the base of weir through which discharge is taking place.
Discharge Weir - (Measured in Cubic Meter per Second) - Discharge Weir is the rate of flow of a liquid.
Arc Length of Circle - (Measured in Meter) - Arc Length of Circle is the length of a piece of curve cut from the circumference of the Circle at particular central angle.

STEP 1: Convert Input(s) to Base Unit

Discharge Weir: 40 Cubic Meter per Second --> 40 Cubic Meter per Second No Conversion Required
Arc Length of Circle: 15 Meter --> 15 Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

L_n = Q/(0.405+0.003/l_a)*sqrt(2*[g])*l_a^(3/2) --> 40/(0.405+0.003/15)*sqrt(2*[g])*15^(3/2)

Evaluating ... ...

L_n = 25398.1906481524

STEP 3: Convert Result to Output's Unit

25398.1906481524 Meter --> No Conversion Required

FINAL ANSWER

25398.1906481524 ≈ 25398.19 Meter <-- Length of Notches

(Calculation completed in 00.004 seconds)

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Home » Physics » Fluid Mechanics » Notches and Weirs » Mechanical » Geometric DImension » Length of Weir Considering Bazin's formula without Velocity of Approach

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< Geometric DImension Calculators

Length of Crest of Weir or Notch

LaTeX Go Length of Weir = (3*Area of Weir)/(Coefficient of Discharge*Total Time Taken*sqrt(2*[g]))*(1/sqrt(Final Height of Liquid)-1/sqrt(Initial Height of Liquid))

Length of Weir or Notch for Velocity of Approach

LaTeX Go Length of Weir = Discharge Weir/(2/3*Coefficient of Discharge*sqrt(2*[g])*((Initial Height of Liquid+Final Height of Liquid)^(3/2)-Final Height of Liquid^(3/2)))

Length of Section for Discharge over Rectangle Notch or Weir

LaTeX Go Length of Weir = Theoretical Discharge/(2/3*Coefficient of Discharge*sqrt(2*[g])*Arc Length of Circle^(3/2))

Length of Weir or Notch without Velocity of Approach

LaTeX Go Length of Weir = Discharge Weir/(2/3*Coefficient of Discharge*sqrt(2*[g])*Initial Height of Liquid^(3/2))

Length of Weir Considering Bazin's formula without Velocity of Approach Formula

LaTeX Go

Length of Notches = Discharge Weir/(0.405+0.003/Arc Length of Circle)*sqrt(2*[g])*Arc Length of Circle^(3/2)
L_n = Q/(0.405+0.003/l_a)*sqrt(2*[g])*l_a^(3/2)

What is a weir?

A weir or low head dam is a barrier across the width of a river that alters the flow characteristics of water and usually results in a change in the height of the river level. They are also used to control the flow of water for outlets of lakes, ponds, and reservoirs.

What is a rectangular notch?

The rectangular weir (notch) is a common device used to regulate and measure discharge in irrigation projects. The values of the discharge coefficient increase with increases in the values of the upstream water depth.

How to Calculate Length of Weir Considering Bazin's formula without Velocity of Approach?

Length of Weir Considering Bazin's formula without Velocity of Approach calculator uses Length of Notches = Discharge Weir/(0.405+0.003/Arc Length of Circle)*sqrt(2*[g])*Arc Length of Circle^(3/2) to calculate the Length of Notches, Length of Weir Considering Bazin's formula without Velocity of Approach refers to the horizontal distance along the crest of the weir. It is an important parameter in calculating the discharge over a weir. Length of Notches is denoted by L_n symbol.

How to calculate Length of Weir Considering Bazin's formula without Velocity of Approach using this online calculator? To use this online calculator for Length of Weir Considering Bazin's formula without Velocity of Approach, enter Discharge Weir (Q) & Arc Length of Circle (l_a) and hit the calculate button. Here is how the Length of Weir Considering Bazin's formula without Velocity of Approach calculation can be explained with given input values -> 25398.19 = 40/(0.405+0.003/15)*sqrt(2*[g])*15^(3/2).

FAQ

What is Length of Weir Considering Bazin's formula without Velocity of Approach?

Length of Weir Considering Bazin's formula without Velocity of Approach refers to the horizontal distance along the crest of the weir. It is an important parameter in calculating the discharge over a weir and is represented as L_n = Q/(0.405+0.003/l_a)*sqrt(2*[g])*l_a^(3/2) or Length of Notches = Discharge Weir/(0.405+0.003/Arc Length of Circle)*sqrt(2*[g])*Arc Length of Circle^(3/2). Discharge Weir is the rate of flow of a liquid & Arc Length of Circle is the length of a piece of curve cut from the circumference of the Circle at particular central angle.

How to calculate Length of Weir Considering Bazin's formula without Velocity of Approach?

Length of Weir Considering Bazin's formula without Velocity of Approach refers to the horizontal distance along the crest of the weir. It is an important parameter in calculating the discharge over a weir is calculated using Length of Notches = Discharge Weir/(0.405+0.003/Arc Length of Circle)*sqrt(2*[g])*Arc Length of Circle^(3/2). To calculate Length of Weir Considering Bazin's formula without Velocity of Approach, you need Discharge Weir (Q) & Arc Length of Circle (l_a). With our tool, you need to enter the respective value for Discharge Weir & Arc Length of Circle and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Length of Notches?

In this formula, Length of Notches uses Discharge Weir & Arc Length of Circle. We can use 1 other way(s) to calculate the same, which is/are as follows -

Length of Notches = Discharge Weir/(0.405+0.003/(Arc Length of Circle+Head Due to Velocity of Approach))*sqrt(2*[g])*(Arc Length of Circle+Head Due to Velocity of Approach)^(3/2)

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