Manometric efficiency Solution

STEP 0: Pre-Calculation Summary
Formula Used
Manometric Efficiency of Centrifugal Pump = Manometric Head of Centrifugal Pump/Head Imparted by Impeller to Liquid
ηm = Hm/HI
This formula uses 3 Variables
Variables Used
Manometric Efficiency of Centrifugal Pump - Manometric Efficiency of Centrifugal Pump is the ratio of manometric head and head imparted by the impeller.
Manometric Head of Centrifugal Pump - (Measured in Meter) - The Manometric Head of Centrifugal Pump is the head against which the centrifugal pump has to work.
Head Imparted by Impeller to Liquid - (Measured in Meter) - Head Imparted by Impeller to Liquid is the energy equivalent head imparted by the impeller to the liquid.
STEP 1: Convert Input(s) to Base Unit
Manometric Head of Centrifugal Pump: 25.3 Meter --> 25.3 Meter No Conversion Required
Head Imparted by Impeller to Liquid: 30.9 Meter --> 30.9 Meter No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
ηm = Hm/HI --> 25.3/30.9
Evaluating ... ...
ηm = 0.818770226537217
STEP 3: Convert Result to Output's Unit
0.818770226537217 --> No Conversion Required
FINAL ANSWER
0.818770226537217 0.81877 <-- Manometric Efficiency of Centrifugal Pump
(Calculation completed in 00.020 seconds)

Credits

Created by Sagar S Kulkarni
Dayananda Sagar College of Engineering (DSCE), Bengaluru
Sagar S Kulkarni has created this Calculator and 200+ more calculators!
Verified by Vaibhav Malani
National Institute of Technology (NIT), Tiruchirapalli
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9 Manometer Parameter Calculators

Manometric Head using Total Head at Outlet and Inlet of Pump
Go Manometric Head of Centrifugal Pump = ((Pressure at Pump Outlet/Specific weight of fluid in pump)+((Velocity in Delivery Pipe^2)/(2*[g]))+Datum Head at Pump Outlet)-((Pressure at pump inlet/Specific weight of fluid in pump)+((Velocity in Suction Pipe^2)/(2*[g]))+Datum Head at Pump Inlet)
Manometric head given static head, friction losses in suction and delivery pipes
Go Manometric Head of Centrifugal Pump = (Suction head of centrifugal pump+Delivery head of pump)+(Friction Head Loss in Pump Suction Pipe+Friction Head Loss in Pump Delivery Pipe)+(Velocity in Delivery Pipe^2)/(2*[g])
Manometric Head using Static Head and Losses in Pipes
Go Manometric Head of Centrifugal Pump = Static Head of Centrifugal Pump+Friction Head Loss in Pump Delivery Pipe+Friction Head Loss in Pump Suction Pipe+(Velocity in Delivery Pipe^2)/(2*[g])
Manometric head given head imparted by impeller and loss of head in pump
Go Manometric Head of Centrifugal Pump = (Velocity of Whirl at Outlet*Tangential Velocity of Impeller at Outlet/[g])-(Head Loss in Pump Impeller+Head Loss in Pump Casing)
Manometric Efficiency using Velocities
Go Manometric Efficiency of Centrifugal Pump = ([g]*Manometric Head of Centrifugal Pump)/(Velocity of Whirl at Outlet*Tangential Velocity of Impeller at Outlet)
Overall Efficiency using Manometric, Volumetric and Mechanical Efficiencies
Go Overall efficiency of centrifugal pump = Manometric Efficiency of Centrifugal Pump*Volumetric efficiency of centrifugal pump*Mechanical efficiency of centrifugal pump
Manometric head given outlet impeller diameter, impeller speed and speed ratio
Go Manometric Head of Centrifugal Pump = ((Diameter of centrifugal pump impeller at outlet*Angular velocity of centrifugal pump)/(84.6*Speed ratio centrifugal pump))^2
Manometric head given head imparted by impeller if loss of head in pump is zero
Go Manometric Head of Centrifugal Pump = (Velocity of Whirl at Outlet*Tangential Velocity of Impeller at Outlet)/[g]
Manometric efficiency
Go Manometric Efficiency of Centrifugal Pump = Manometric Head of Centrifugal Pump/Head Imparted by Impeller to Liquid

Manometric efficiency Formula

Manometric Efficiency of Centrifugal Pump = Manometric Head of Centrifugal Pump/Head Imparted by Impeller to Liquid
ηm = Hm/HI

What is manometric efficiency?

The ratio of the manometric head developed by the pump to the head imparted by the impeller to the liquid is known as manometric efficiency.

How to Calculate Manometric efficiency?

Manometric efficiency calculator uses Manometric Efficiency of Centrifugal Pump = Manometric Head of Centrifugal Pump/Head Imparted by Impeller to Liquid to calculate the Manometric Efficiency of Centrifugal Pump, The Manometric efficiency formula is defined as the ratio of manometric head to the head imparted by the impeller to the liquid. Manometric Efficiency of Centrifugal Pump is denoted by ηm symbol.

How to calculate Manometric efficiency using this online calculator? To use this online calculator for Manometric efficiency, enter Manometric Head of Centrifugal Pump (Hm) & Head Imparted by Impeller to Liquid (HI) and hit the calculate button. Here is how the Manometric efficiency calculation can be explained with given input values -> 0.81877 = 25.3/30.9.

FAQ

What is Manometric efficiency?
The Manometric efficiency formula is defined as the ratio of manometric head to the head imparted by the impeller to the liquid and is represented as ηm = Hm/HI or Manometric Efficiency of Centrifugal Pump = Manometric Head of Centrifugal Pump/Head Imparted by Impeller to Liquid. The Manometric Head of Centrifugal Pump is the head against which the centrifugal pump has to work & Head Imparted by Impeller to Liquid is the energy equivalent head imparted by the impeller to the liquid.
How to calculate Manometric efficiency?
The Manometric efficiency formula is defined as the ratio of manometric head to the head imparted by the impeller to the liquid is calculated using Manometric Efficiency of Centrifugal Pump = Manometric Head of Centrifugal Pump/Head Imparted by Impeller to Liquid. To calculate Manometric efficiency, you need Manometric Head of Centrifugal Pump (Hm) & Head Imparted by Impeller to Liquid (HI). With our tool, you need to enter the respective value for Manometric Head of Centrifugal Pump & Head Imparted by Impeller to Liquid 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 Manometric Efficiency of Centrifugal Pump?
In this formula, Manometric Efficiency of Centrifugal Pump uses Manometric Head of Centrifugal Pump & Head Imparted by Impeller to Liquid. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Manometric Efficiency of Centrifugal Pump = ([g]*Manometric Head of Centrifugal Pump)/(Velocity of Whirl at Outlet*Tangential Velocity of Impeller at Outlet)
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