Maiarutselvan V
PSG College of Technology (PSGCT), Coimbatore
Maiarutselvan V has created this Calculator and 300+ more calculators!
Sai Venkata Phanindra Chary Arendra
Vallurupalli Nageswara Rao Vignana Jyothi Institute of Engineering and Technology (VNRVJIET), Hyderabad
Sai Venkata Phanindra Chary Arendra has verified this Calculator and 100+ more calculators!

11 Other formulas that you can solve using the same Inputs

Area at Section 2 when Theoretical Discharge through pipe is Given
Cross-Sectional area at a point 2=sqrt(1/ ((1/(Cross Sectional area 1^2)-2* [g]*Venturi head/theoretical discharge))) GO
Venturi Head when Theoretical Discharge through pipe is Given
Venturi head=(theoretical discharge/2*[g])*(1/((Cross Sectional area 1)^2)-1/((Cross-Sectional area at a point 2)^2)) GO
Head of liquid above the V-notch
head of the liquid=(theoretical discharge/((8/15)*coefficient of discharging*(tan(Angle A/2))*sqrt(2*[g])))^0.4 GO
Head of liquid over the crest
head of the liquid=(theoretical discharge/((2/3)*coefficient of discharging*sqrt(2*[g])*Length))^(2/3) GO
Length of section for discharge over rectangle notch or weir
Length=theoretical discharge/((2/3)*coefficient of discharging*sqrt(2*[g])*(head of the liquid^1.5)) GO
Volumetric efficiency
Volumetric efficiency of a motor=(theoretical discharge/actual discharge)*100 GO
Volumetric efficiency
Volumetric efficiency of a pump=(actual discharge/theoretical discharge)*100 GO
Theoretical discharge given volumetric efficiency(%)
theoretical discharge=(volumetric efficiency*actual discharge)/100 GO
Actual discharge given volumetric efficiency(%)
actual discharge=(theoretical discharge*100)/volumetric efficiency GO
co-efficient of discharge (Cd) of the pump.
Coefficient of Discharge =actual discharge/theoretical discharge GO
slip of the pump
Pump slippage=theoretical discharge-actual discharge GO

6 Other formulas that calculate the same Output

Co-efficient of discharge considering time of emptying a hemispherical tank
coefficient of discharging=(pi*(((4/3)*hemispherical tank radius*((initial height of liquid^(3/2))-(final height of liquid^(3/2))))-((2/5)*((initial height of liquid^(5/2))-(final height of liquid)^(5/2)))))/(Total Time Taken*area of orifice*(sqrt(2*9.81))) GO
Co-efficient of discharge considering time of emptying a circular horizontal tank
coefficient of discharging=(4*Length*((((2*Radius 1)-final height of liquid)^(3/2))-((2*Radius 1)-initial height of liquid)^(3/2)))/(3*Total Time Taken*area of orifice*(sqrt(2*9.81))) GO
Co-efficient of discharge considering time for emptying a tank
coefficient of discharging=(2*area of tank*((sqrt(initial height of liquid))-(sqrt(final height of liquid))))/(Total Time Taken*area of orifice*sqrt(2*9.81)) GO
Coefficient of discharge for time required to empty a reservoir
coefficient of discharging=((3*Area)/(Total Time Taken*Length*(sqrt(2*[g]))))*((1/sqrt(final height of liquid))-(1/sqrt(initial height of liquid))) GO
Coefficient of discharge when area for siphon throat is given
coefficient of discharging=Volume flow rate/(area for siphon throat*(2*Acceleration Due To Gravity*head of the liquid)^(1/2)) GO
Co-efficient of discharge for area and velocity
coefficient of discharging=(actual velocity*actual area)/(Theoretical velocity*theoretical area) GO

Co-efficient of discharge Formula

coefficient of discharging=actual discharge/theoretical discharge
Cd=Q/Q th
More formulas
Co-efficient of discharge for area and velocity GO
Theoretical velocity GO
Co-efficient of contraction GO
Co-efficient of velocity GO
Head of the liquid above the centre of orifice GO
Co-efficient of velocity for horizontal and vertical distance GO
Loss of head due to fluid resistance GO
Head of liquid for head loss and coefficient of velocity GO
Co-efficient of velocity for the head of liquid and head loss GO
Discharge through large rectangular orifice GO
Horizontal distance for co-efficient of velocity and vertical distance GO
Vertical distance for co-efficient of velocity and horizontal distance GO
Discharge through fully sub-merged orifice GO
Discharge through partially sub-merged orifice GO
Time of emptying a tank through an orifice at bottom GO
Co-efficient of discharge considering time for emptying a tank GO
Area of tank while considering time for emptying a tank GO
Time of emptying a hemispherical tank GO
Co-efficient of discharge considering time of emptying a hemispherical tank GO
Area of orifice considering time of emptying a hemispherical tank GO
Time of emptying a circular horizontal tank GO
Co-efficient of discharge considering time of emptying a circular horizontal tank GO
Loss of head due to sudden enlargement GO
Absolute pressure head at constant head and atmospheric pressure head GO
Atmospheric pressure head at constant head and absolute pressure head GO
Velocity of liquid at C-C for Hc, Ha, and H GO
Discharge in the convergent-divergent mouthpiece GO
Area at vena contracta for discharge and constant head GO
Discharge In Borda's mouthpiece running full GO
Area of mouthpiece In Borda's mouthpiece running full GO
Discharge In Borda's mouthpiece running free GO
Area of mouthpiece In Borda's mouthpiece running free GO

What are the hydraulic coefficient?

Hydraulic coefficients include coefficient of contraction, coefficient of velocity, coefficient of discharge and coefficient of resistance.

What is Vena-contracta?

Vena contracta is the point in a fluid stream where the diameter of the stream is the least, and fluid velocity is at its maximum, such as in the case of a stream issuing out of a nozzle (orifice).

How to Calculate Co-efficient of discharge?

Co-efficient of discharge calculator uses coefficient of discharging=actual discharge/theoretical discharge to calculate the coefficient of discharging, The Co-efficient of discharge formula is defined as the ratio of actual discharge (Q) to the theoretical discharge (Q th). Both the actual and theoretical discharge is obtained using area and velocity. coefficient of discharging and is denoted by Cd symbol.

How to calculate Co-efficient of discharge using this online calculator? To use this online calculator for Co-efficient of discharge, enter actual discharge (Q) and theoretical discharge (Q th) and hit the calculate button. Here is how the Co-efficient of discharge calculation can be explained with given input values -> 1 = 0.01/0.01.

FAQ

What is Co-efficient of discharge?
The Co-efficient of discharge formula is defined as the ratio of actual discharge (Q) to the theoretical discharge (Q th). Both the actual and theoretical discharge is obtained using area and velocity and is represented as Cd=Q/Q th or coefficient of discharging=actual discharge/theoretical discharge. Actual discharge is given by the actual area and velocity and The theoretical discharge is given by the theoretical area and velocity.
How to calculate Co-efficient of discharge?
The Co-efficient of discharge formula is defined as the ratio of actual discharge (Q) to the theoretical discharge (Q th). Both the actual and theoretical discharge is obtained using area and velocity is calculated using coefficient of discharging=actual discharge/theoretical discharge. To calculate Co-efficient of discharge, you need actual discharge (Q) and theoretical discharge (Q th). With our tool, you need to enter the respective value for actual discharge and theoretical discharge 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 coefficient of discharging?
In this formula, coefficient of discharging uses actual discharge and theoretical discharge. We can use 6 other way(s) to calculate the same, which is/are as follows -
  • coefficient of discharging=(actual velocity*actual area)/(Theoretical velocity*theoretical area)
  • coefficient of discharging=(2*area of tank*((sqrt(initial height of liquid))-(sqrt(final height of liquid))))/(Total Time Taken*area of orifice*sqrt(2*9.81))
  • coefficient of discharging=(pi*(((4/3)*hemispherical tank radius*((initial height of liquid^(3/2))-(final height of liquid^(3/2))))-((2/5)*((initial height of liquid^(5/2))-(final height of liquid)^(5/2)))))/(Total Time Taken*area of orifice*(sqrt(2*9.81)))
  • coefficient of discharging=(4*Length*((((2*Radius 1)-final height of liquid)^(3/2))-((2*Radius 1)-initial height of liquid)^(3/2)))/(3*Total Time Taken*area of orifice*(sqrt(2*9.81)))
  • coefficient of discharging=Volume flow rate/(area for siphon throat*(2*Acceleration Due To Gravity*head of the liquid)^(1/2))
  • coefficient of discharging=((3*Area)/(Total Time Taken*Length*(sqrt(2*[g]))))*((1/sqrt(final height of liquid))-(1/sqrt(initial height of liquid)))
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