Reaction Turbines
What is a reaction turbine? How to calculate hydraulic and overall efficiency of reaction turbine? What is difference between a Kaplan turbine and Francis turbine? The following important points may…
Specific Speed of turbine
The specific speed of a turbine is defined as the speed of an imaginary turbine, identical with the given turbine, which develops unit power under unit head. Mathematically, specific speed,…
Model Testing and Similarity of Pumps
The models of centrifugal pumps are tested in order to know the performance of the prototypes. Models and prototypes are compared based on geometric similarity, kinematic similarity and dynamic similarity.When…
Reciprocating Pump
Reciprocating pump is a positive displacement pump where a certain volume of liquid is collected in an enclosed volume and is discharged using pressure to the required application. Reciprocating pumps…
Unit Speed, Unit Discharge and Unit Power
What is Unit Speed, Unit Discharge and Unit Power of a turbine? How do we calculate these using formula? The unit speed is the speed of the turbine operating under…
Specific Speed of Centrifugal Pump
The specific speed of a centrifugal pump is defined as the speed of an imaginary pump, identical with the given pump, which will discharge 1 liter of water, while it is being…
Multistage Centrifugal Pumps
A multistage centrifugal pump is designed with two or more impellers. Depending on the brand and configuration, the impellers might be mounted on the same or different shafts. If high…
Hydraulic turbines & Types
Hydraulic Turbines are also known as water turbines Pelton Turbine: Pelton turbine is a type of impulsive water turbine Francis Turbine: Francis turbine is a type of water turbine. They are…
Comparison of Impulse and Reaction Turbines
Impulse TurbineReaction turbine01. Energy available at the inlet is in the form of kinetic energy01. Energy available at the inlet is in the form of kinetic and pressure energy02. Pressure…
Impulse Turbine
In principle, the impulse steam turbine consists of a casing containing stationary steam nozzles and a rotor with moving or rotating buckets. When the steam passes through the stationary nozzles…


