How the energy of fuel converted into power of engine?

Have this question ever bothered you.

What are heat engines?

What are the major types of heat engines?

lets start from what is an engine and then what is a heat engine and then we will move on to the types of heat engines.

An Engine is a device one form of energy into another form.

Heat Engine

A heat engine is a device converts chemical energy of fuel into thermal energy and utilize this thermal energy to perform useful work.

Please refer following link to read heat engines in detail – Heat Engines

Classification of Heat Engines

Heat Engines can be broadly classified into Internal and External Combustion Engines.

Internal Combustion Engines are the Engines in which fuel is burned inside the cylinder.

External Combustion Engines are the Engines in which fuel is burned outside the cylinder and with the help of working fluid, brought to cylinder.

Both the types of Heat Engines can be divided into Rotary and Reciprocating each.

In Rotary Engines work is obtained from the heat with the help of Rotary devices (e.g. Turbines).

In reciprocating Engines heat is converted to the work with the help of reciprocating mechanism (e.g. piston and cylinder).

Below are some short forms given for convenience.

IC stands for Internal Combustion

EC stands for External Combustion

Heat Engines

  1. IC Engines

(i) Rotary

  • Open Cycle Gas Turbine
  • Wankel Engine

(ii) Reciprocating

  • Gasoline Engine
  • Diesel Engine
  1. EC Engine

(i) Reciprocating

  • Steam Engine
  • Stirling Engine

(ii) Rotary

  • Steam Turbine
  • Closed Cycle Gas Turbine

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