Pitot tube is a mechanical device which is used to measure velocity of flow at any point in a pipe or a channel. It was invented by French engineer Henri Pitot and modified by French scientist Henry Darcy. Pitot Tube works on a basic principal of fluid Mechanics and that is, if a fluid stops… Read More »
In this article we will try to draw a Comparison Between Centrifugal Pump and Reciprocating Pump. Images of Centrifugal Pump and Reciprocating Pump Now let’s understand differences between Centrifugal Pump and Reciprocating Pump with the help of table given below. Sr. No. Centrifugal Pump Reciprocating Pump 01 Centrifugal pump has smooth and continuous discharge Due… Read More »
What are Unit Quantities of a Turbine? Unit Quantities of a Turbine are certain quantities related to a turbine, which are obtained when the turbine operates under unit head (i.e. H = 1m). It is assumed that efficiency of the turbine remains same in both the cases (i.e. when turbine is working at unit head… Read More »
In this article we will discuss ‘Draft Tube’ and its importance in reaction turbines. Later on, in the article we will learn different types of Draft tubes. What is a Draft Tube? A draft tube is a kind of tube which connects (or acts as an intermediately) between the water turbine exit and tail race.… Read More »
In this article we will understand concept of ‘Dimensionless Numbers’. After understanding it we will discuss some important dimensionless (Non-Dimensional) numbers related to fluid mechanics field. What is a dimensionless number? As the name indicates dimensionless numbers are not associated with any dimensions, like m, kg, sec etc. Non-dimensional numbers are the ratios of two… Read More »
In this article we will have discussion on Notches and Weirs. We will first go through the definition of each and then we will try to understand different types of both. At the end of our discussion we will understand the differences between both of them. What is a Notch? A notch is a kind… Read More »
What is buoyancy? Buoyancy is the force exerted by a fluid on a body which is wholly or partially immersed in it. How buoyancy force is calculated? Magnitude of buoyancy force is calculated on the basis of Archimedes principal. What is Archimedes principal (or Law)? The magnitude of buoyancy force acting on a body is… Read More »
What is fluid mechanics? Before understanding fluid mechanics let us first understand ‘mechanics’. Mechanics is a physical science which deals with the bodies which are either moving or stationary, under the influence of some external force. Mechanics can be further divided into two parts Statics Dynamics Statics deals with the bodies which are at rest.… Read More »
What is a pump? A pump is a mechanical device which is used to move fluid (sometimes also slurry) from one place to another. One of the examples of a pump is the water pump which is used in our houses to carry water from the ground to the tank on the top of house.… Read More »
What is surface tension? Surface tension (or ST) is a property of fluid which is responsible for the formation of enclosed surfaces. For example, Mercury droplets are near spherical (and can also be rolled very easily) and water drops hanging from a tree branch are also near spherical. It is the property which is responsible… Read More »