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Apr 11, 2020: In this video, we introduce you to the centrifugal pump and its mechanism, the formation of velocity triangles, and the calculation of pump efficiency. In the tutorial...
Learn the definition and expression of manometric head, which is the head against which a centrifugal pump has to do the work, and other types of heads such as suction head, delivery head and static head. Also, find out the
Sectional View of Centrifugal Pump
A centrifugal pump consists of various components, including the impeller, casing, and shaft. The impeller is responsible for creating the flow within the pump, while the casing directs the flow towards the outlet. The shaft connects the motor to the impeller, allowing for the transfer of mechanical energy to the fluid.
How to Calculate Pump Head
Pump head is a crucial parameter in determining the performance of a centrifugal pump. It represents the energy imparted to the fluid by the pump and is essential for calculating the pressure at the pump outlet. The pump head can be calculated using the following formula:
\[ \text{Pump Head (H)} = \frac{P}{\rho g} + \frac{V^2}{2g} + Z \]
Where:
- \( P \) = Pressure head
- \( \rho \) = Density of the fluid
- \( g \) = Acceleration due to gravity
- \( V \) = Velocity of the fluid
- \( Z \) = Elevation head
Manometric Efficiency of Centrifugal Pump
The manometric efficiency of a centrifugal pump is a measure of how effectively the pump converts mechanical energy into pressure energy. It is defined as the ratio of the manometric head to the theoretical head. A high manometric efficiency indicates that the pump is operating efficiently and effectively.
Centrifugal Pump Head Efficiency
The head efficiency of a centrifugal pump is a measure of how well the pump is able to convert the energy input into pressure energy. It is calculated by dividing the actual head by the theoretical head and is expressed as a percentage. A high head efficiency indicates that the pump is operating at peak performance.
Centrifugal Pump Impeller Dimensions
The dimensions of the impeller in a centrifugal pump play a crucial role in determining the pump's performance. The diameter, width, and number of blades on the impeller all impact the flow rate, head, and efficiency of the pump. Properly sized impeller dimensions are essential for optimizing the pump's performance.
Delivery Head of Centrifugal Pump
The delivery head of a centrifugal pump is the total head developed by the pump at its outlet. It includes the static head, velocity head, and pressure head. The delivery head is a critical parameter in determining the pump's ability to overcome resistance in the system and deliver fluid at the required pressure.
Velocity Triangle of Centrifugal Pump
The velocity triangle of a centrifugal pump illustrates the relationship between the fluid velocity at the inlet and outlet of the impeller, as well as the blade velocity. By analyzing the velocity triangle, engineers can optimize the design of the impeller to maximize efficiency and performance.
Euler Head in Centrifugal Pump
This lecture discusses the various heads of pumps (manometric head, suction head, delivery head, static head, etc.). ...more. A Centrifugal pump is a hydraulic machine which converts...
Its invention is attributed to the famous Greek scientist and mathematician Archimedes of Syracuse in the 3 rd century B.C., on his visit to Egypt. It finds applications even today. Archimedes’ Screw Design: .
manometric head in centrifugal pump|how to calculate pump head