Like working with engines and love everything that engines are all about? Then this is the article to read. Today we will be focusing on some basic definitions used in engine terminology. It will help you to get acquainted with the basics of an engine.

We all know that engines are of various types the two-stroke engine, the four-stroke engine and the six-stroke engine, All having their unique configuration and operational style. However there are some basic terminologies that constitute an engine, and today we will be focusing on them.

Also Read: 18 Mechanical Properties Of Material Which Every Mechanical Engineer Should Know

So here goes :

TDC- Top dead centre: This is the point where the engine piston will come to a halt or rest before moving again to complete an engine cycle. This happens in every reciprocating type engine. The piston comes to the top at a point from where it can no longer move. This point is called the top dead centre.

engine

BDC: Bottom Dead Centre: Now if a piston has moved towards the top dead centre point then to complete the engine cycle it has to come down. The point at which a downward moving piston comes to a halt  during an engine cycle is called bottom dead centre.

Also Read: 18 Mechanical Properties Of Material Which Every Mechanical Engineer Should Know

Stroke: There is a limit to the movement of the piston. Hence stroke is defined as the maximum distance that a piston can travel from top dead centre to the bottom dead centre.

engine