Maximum Discharge given Width of Throat Calculator

✖Width of throat of the parshall flume is denoted by W symbol.ⓘ Width of throat [W_t]			+10% -10%
✖The Critical velocity is the greatest velocity with which a fluid can flow through a given conduit without becoming turbulent.ⓘ Critical Velocity [V_c]			+10% -10%
✖Critical depth occurs when the flow in a channel has a minimum specific energy. Specific energy refers to the sum of the depth of flow and the velocity head.ⓘ Critical Depth [CD]			+10% -10%

✖Peak Discharge is the maximum volume flow rate passing a particular location during an event.ⓘ Maximum Discharge given Width of Throat [Q_p]

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Formula

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Maximum Discharge given Width of Throat

Formula

`"Q"_{"p"} = "W"_{"t"}*"V"_{"c"}*"CD"`

Example

`"180m³/s"="3m"*"15m/s"*"4m"`

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Maximum Discharge given Width of Throat Solution

STEP 0: Pre-Calculation Summary

Formula Used

Peak Discharge = Width of throat*Critical Velocity*Critical Depth
Q_p = W_t*V_c*CD
This formula uses 4 Variables

Variables Used

Peak Discharge - (Measured in Cubic Meter per Second) - Peak Discharge is the maximum volume flow rate passing a particular location during an event.
Width of throat - (Measured in Meter) - Width of throat of the parshall flume is denoted by W symbol.
Critical Velocity - (Measured in Meter per Second) - The Critical velocity is the greatest velocity with which a fluid can flow through a given conduit without becoming turbulent.
Critical Depth - (Measured in Meter) - Critical depth occurs when the flow in a channel has a minimum specific energy. Specific energy refers to the sum of the depth of flow and the velocity head.

STEP 1: Convert Input(s) to Base Unit

Width of throat: 3 Meter --> 3 Meter No Conversion Required
Critical Velocity: 15 Meter per Second --> 15 Meter per Second No Conversion Required
Critical Depth: 4 Meter --> 4 Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Q_p = W_t*V_c*CD --> 3*15*4

Evaluating ... ...

Q_p = 180

STEP 3: Convert Result to Output's Unit

180 Cubic Meter per Second --> No Conversion Required

FINAL ANSWER

180 Cubic Meter per Second <-- Peak Discharge

(Calculation completed in 00.004 seconds)

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Home » Engineering » Civil » Environmental Engineering » Treatment of Sewage » Constant Velocity Horizontal Flow Grit Channels » Design of Parabolic Grit Chamber » Parabolic Grit Chamber » Discharge in Channel » Maximum Discharge given Width of Throat

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Created by Suraj Kumar

Birsa Institute of Technology (BIT), Sindri

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National Institute of Technology (NIT), Warangal

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< 7 Discharge in Channel Calculators

Discharge for Rectangular Channel Section using manning's equation

Go Environmental Discharge = Area Of Cross Section*(Hydraulic radius^(2/3))*(Slope of bed^(1/2))/Manning’s Roughness Coefficient

Discharge given Critical Depth

Go Environmental Discharge = sqrt(((Critical Depth)^3)*Acceleration due to Gravity*(Width of throat)^2)

Discharge Coefficient with known discharge

Go Discharge coefficient = log(Theoretical Discharge/Integration Constant,Depth)

Discharge Passing through Parshall Flume given Discharge Coefficient

Go Environmental Discharge = Integration Constant*(Depth)^(Discharge coefficient)

Discharge through Control Section

Go Environmental Discharge = Width of throat*Critical Velocity*Critical Depth

Maximum Discharge given Width of Throat

Go Peak Discharge = Width of throat*Critical Velocity*Critical Depth

Discharge given Flow Area of Throat

Go Environmental Discharge = Flow area of throat*Critical Velocity

Maximum Discharge given Width of Throat Formula

Peak Discharge = Width of throat*Critical Velocity*Critical Depth
Q_p = W_t*V_c*CD

What is discharge ?

The amount of fluid passing a section of a stream in unit time is called the discharge. If v is the mean velocity and A is the cross sectional area, the discharge Q is defined by Q = Av which is known as volume flow rate. Discharge is also expressed as mass flow rate and weight flow rate.

How to Calculate Maximum Discharge given Width of Throat?

Maximum Discharge given Width of Throat calculator uses Peak Discharge = Width of throat*Critical Velocity*Critical Depth to calculate the Peak Discharge, The Maximum Discharge given Width of Throat is defined as the maximum amount of fluid passing a section of a stream in unit time. Peak Discharge is denoted by Q_p symbol.

How to calculate Maximum Discharge given Width of Throat using this online calculator? To use this online calculator for Maximum Discharge given Width of Throat, enter Width of throat (W_t), Critical Velocity (V_c) & Critical Depth (CD) and hit the calculate button. Here is how the Maximum Discharge given Width of Throat calculation can be explained with given input values -> 180 = 3*15*4.

FAQ

What is Maximum Discharge given Width of Throat?

The Maximum Discharge given Width of Throat is defined as the maximum amount of fluid passing a section of a stream in unit time and is represented as Q_p = W_t*V_c*CD or Peak Discharge = Width of throat*Critical Velocity*Critical Depth. Width of throat of the parshall flume is denoted by W symbol, The Critical velocity is the greatest velocity with which a fluid can flow through a given conduit without becoming turbulent & Critical depth occurs when the flow in a channel has a minimum specific energy. Specific energy refers to the sum of the depth of flow and the velocity head.

How to calculate Maximum Discharge given Width of Throat?

The Maximum Discharge given Width of Throat is defined as the maximum amount of fluid passing a section of a stream in unit time is calculated using Peak Discharge = Width of throat*Critical Velocity*Critical Depth. To calculate Maximum Discharge given Width of Throat, you need Width of throat (W_t), Critical Velocity (V_c) & Critical Depth (CD). With our tool, you need to enter the respective value for Width of throat, Critical Velocity & Critical Depth 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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