Discharge Coefficient with known Discharge Formula

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Discharge Coefficient is the ratio of flow rate at exit to flow rate at inlet. Check FAQs
CD=-log(Qthc,d)
CD - Discharge Coefficient?Qth - Theoretical Discharge?c - Integration Constant?d - Depth?

Discharge Coefficient with known Discharge Example

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Here is how the Discharge Coefficient with known Discharge equation looks like with Values.

Here is how the Discharge Coefficient with known Discharge equation looks like with Units.

Here is how the Discharge Coefficient with known Discharge equation looks like.

0.2711Edit=-log(0.04Edit6.9Edit,4.04Edit)
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Discharge Coefficient with known Discharge Solution

Follow our step by step solution on how to calculate Discharge Coefficient with known Discharge?

FIRST Step Consider the formula
CD=-log(Qthc,d)
Next Step Substitute values of Variables
CD=-log(0.04m³/s6.9,4.04m)
Next Step Prepare to Evaluate
CD=-log(0.046.9,4.04)
Next Step Evaluate
CD=0.271094563752453
LAST Step Rounding Answer
CD=0.2711

Discharge Coefficient with known Discharge Formula Elements

Variables
Functions
Discharge Coefficient
Discharge Coefficient is the ratio of flow rate at exit to flow rate at inlet.
Symbol: CD
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Theoretical Discharge
The Theoretical Discharge is given by the theoretical area and velocity.
Symbol: Qth
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value should be greater than 0.
Integration Constant
Integration Constant is a constant that is added to the function obtained by evaluating the indefinite integral of a given function.
Symbol: c
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Depth
Depth is the distance from the top or surface to the bottom of something.
Symbol: d
Measurement: LengthUnit: m
Note: Value can be positive or negative.
log
Logarithmic function is an inverse function to exponentiation.
Syntax: log(Base, Number)

Other formulas in Discharge in Channel category

​Go Discharge Passing through Parshall Flume given Discharge Coefficient
Qe=c(d)CD
​Go Discharge for Rectangular Channel Section
Qe=Acs(R23)i12n
​Go Discharge through Control Section
Qe=WtVcdc
​Go Discharge given Flow Area of Throat
Qe=FareaVc

How to Evaluate Discharge Coefficient with known Discharge?

Discharge Coefficient with known Discharge evaluator uses Discharge Coefficient = -log(Theoretical Discharge/Integration Constant,Depth) to evaluate the Discharge Coefficient, The Discharge Coefficient with known Discharge formula is defined as the value of a dimensionless number used to describe the efficiency of flow through an opening or over a surface, such as weirs, orifices, and sluice gates. Discharge Coefficient is denoted by CD symbol.

How to evaluate Discharge Coefficient with known Discharge using this online evaluator? To use this online evaluator for Discharge Coefficient with known Discharge, enter Theoretical Discharge (Qth), Integration Constant (c) & Depth (d) and hit the calculate button.

FAQs on Discharge Coefficient with known Discharge

What is the formula to find Discharge Coefficient with known Discharge?
The formula of Discharge Coefficient with known Discharge is expressed as Discharge Coefficient = -log(Theoretical Discharge/Integration Constant,Depth). Here is an example- 0.271095 = -log(0.04/6.9,4.04).
How to calculate Discharge Coefficient with known Discharge?
With Theoretical Discharge (Qth), Integration Constant (c) & Depth (d) we can find Discharge Coefficient with known Discharge using the formula - Discharge Coefficient = -log(Theoretical Discharge/Integration Constant,Depth). This formula also uses Logarithmic Inverse Function function(s).
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