Coefficient of Discharge at Venacontracta of Orifice Calculator

✖The Coefficient of Contraction is defined as the ratio between the area of the jet at the vena contracta and the area of the orifice.ⓘ Coefficient of Contraction [C_c]			+10% -10%
✖The Coefficient of Velocity is the ratio of actual velocity to theoretical velocity.ⓘ Coefficient of Velocity [C_v]			+10% -10%

✖Coefficient of Discharge is ratio of Actual discharge to theoretical discharge.ⓘ Coefficient of Discharge at Venacontracta of Orifice [C_d]

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Formula

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Coefficient of Discharge at Venacontracta of Orifice

Formula

`"C"_{"d"} = "C"_{"c"}*"C"_{"v"}`

Example

`"0.3"="15"*"0.02"`

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Coefficient of Discharge at Venacontracta of Orifice Solution

STEP 0: Pre-Calculation Summary

Formula Used

Coefficient of Discharge = Coefficient of Contraction*Coefficient of Velocity
C_d = C_c*C_v
This formula uses 3 Variables

Variables Used

Coefficient of Discharge - Coefficient of Discharge is ratio of Actual discharge to theoretical discharge.
Coefficient of Contraction - The Coefficient of Contraction is defined as the ratio between the area of the jet at the vena contracta and the area of the orifice.
Coefficient of Velocity - The Coefficient of Velocity is the ratio of actual velocity to theoretical velocity.

STEP 1: Convert Input(s) to Base Unit

Coefficient of Contraction: 15 --> No Conversion Required
Coefficient of Velocity: 0.02 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

C_d = C_c*C_v --> 15*0.02

Evaluating ... ...

C_d = 0.3

STEP 3: Convert Result to Output's Unit

0.3 --> No Conversion Required

FINAL ANSWER

0.3 <-- Coefficient of Discharge

(Calculation completed in 00.004 seconds)

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Home » Engineering » Mechanical » Fluid Mechanics » Pipes » Coefficient of Discharge at Venacontracta of Orifice

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< 12 Pipes Calculators

Diameter of Pipe given Head Loss due to Laminar Flow

Go Diameter of Pipe = ((128*Viscous Force head loss*Rate of flow*Change in Drawdown)/(Specific weight of liquid*pi*Head loss))^(1/4)

Viscous Force using Head loss Due to Laminar Flow

Go Viscous Force head loss = Head loss*Specific Weight*pi*(Pipe Diameter^4)/(128*Rate of flow*Change in Drawdown)

Length of Pipe given Head loss

Go Change in Drawdown = Head loss*Specific Weight*pi*(Pipe Diameter^4)/(128*Rate of flow*Viscous Force head loss)

Head Loss due to Laminar Flow

Go Head loss = (128*Viscous Force head loss*Rate of flow*Change in Drawdown)/(pi*Specific Weight*Pipe Diameter^4)

Heat Loss due to Pipe

Go Heat Loss due to Pipe = (Force*Length*Fluid Velocity^2)/(2*Diameter*Acceleration Due To Gravity)

Depth of Centroid given Total Hydrostatic Force

Go Depth of Centroid = Hydrostatic Force/(Specific Weight 1*Surface area)

Head Loss using Efficiency of Hydraulic Transmission

Go Head loss = Total Head at Entrance-Efficiency*Total Head at Entrance

Viscous Stress

Go Viscous Stress = Dynamic Viscosity*Velocity Gradient/Fluid Thickness

Barlow's Formula for Pipe

Go Pressure = (2*Applied stress*Wall Thickness)/(Outside Diameter)

Coefficient of Discharge at Venacontracta of Orifice

Go Coefficient of Discharge = Coefficient of Contraction*Coefficient of Velocity

Viscous Force Per Unit Area

Go Viscous Force = Force/Area

Frictional Factor of Laminar flow

Go Friction factor = 64/Reynolds Number

Coefficient of Discharge at Venacontracta of Orifice Formula

Coefficient of Discharge = Coefficient of Contraction*Coefficient of Velocity
C_d = C_c*C_v

What is coefficient of discharge of orifice meter?

Coefficient of discharge (Cd): It is the ratio of actual discharge to theoretical discharge. As in a pipe, frictional losses are present therefore Qactual will always be less than Qtheoretical.

Where is vena contracta in orifice?

In orificemeter maximum contraction or Vena Contracta takes place at a section slightly down the stream of the flow, at that section where the jet is more or less horizontal. This phenomenon happens because fluid streamlines cannot abruptly change direction.

How to Calculate Coefficient of Discharge at Venacontracta of Orifice?

Coefficient of Discharge at Venacontracta of Orifice calculator uses Coefficient of Discharge = Coefficient of Contraction*Coefficient of Velocity to calculate the Coefficient of Discharge, The Coefficient of Discharge at Venacontracta of Orifice formula is defined as the ratio of the actual discharge to the ideal discharge or product of coefficient of contraction and coefficient of velocity. Coefficient of Discharge is denoted by C_d symbol.

How to calculate Coefficient of Discharge at Venacontracta of Orifice using this online calculator? To use this online calculator for Coefficient of Discharge at Venacontracta of Orifice, enter Coefficient of Contraction (C_c) & Coefficient of Velocity (C_v) and hit the calculate button. Here is how the Coefficient of Discharge at Venacontracta of Orifice calculation can be explained with given input values -> 13.8 = 15*0.02.

FAQ

What is Coefficient of Discharge at Venacontracta of Orifice?

The Coefficient of Discharge at Venacontracta of Orifice formula is defined as the ratio of the actual discharge to the ideal discharge or product of coefficient of contraction and coefficient of velocity and is represented as C_d = C_c*C_v or Coefficient of Discharge = Coefficient of Contraction*Coefficient of Velocity. The Coefficient of Contraction is defined as the ratio between the area of the jet at the vena contracta and the area of the orifice & The Coefficient of Velocity is the ratio of actual velocity to theoretical velocity.

How to calculate Coefficient of Discharge at Venacontracta of Orifice?

The Coefficient of Discharge at Venacontracta of Orifice formula is defined as the ratio of the actual discharge to the ideal discharge or product of coefficient of contraction and coefficient of velocity is calculated using Coefficient of Discharge = Coefficient of Contraction*Coefficient of Velocity. To calculate Coefficient of Discharge at Venacontracta of Orifice, you need Coefficient of Contraction (C_c) & Coefficient of Velocity (C_v). With our tool, you need to enter the respective value for Coefficient of Contraction & Coefficient of Velocity 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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