This number is significant in
fluid Mechanics. It relates inertia force and gravity force of the flow. It’s a
ratio of velocity to square root of the product of L and g. We can also define Froude
Number as the ratio of inertia force to the gravity force.

# Learn a word everyday

## Friday, 14 October 2016

## Saturday, 1 October 2016

### carbon nanotubes

known as CNT is actually a carbon molecule. they are very thin and can be used for many applications. They are synthesized by many methods. Important methods are pyrolysis method and arc discharge method. it assumes three forms namely armchair, zigzag and chiral. They are mechanically strong, highly elastic, possess high thermal conductivity, very stable, metallic or semiconducting depending upon size and have high current carrying capacity.

## Wednesday, 22 June 2016

## Saturday, 18 April 2015

### Mach Number

It is defined as the speed of the
object (v) to the speed of sound (a) in the given medium.

M=v/a.

Since it is the ratio of speeds,
it doesn’t have a unit. In aerodynamics, the speeds of bodies moving in a fluid
medium are classified into different categories on the basis of Mach Number. Mach
Number is named after the German scientist Ernst Mach.

## Wednesday, 18 June 2014

## Tuesday, 3 December 2013

### Metallograph

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