Combustion Chambers convert the chemical energy stored in a liquid or gaseous fuel to an enthalpy increase in the gas passing through them. Usually, the gas is air, but it could be any gas with the proper componants to react with the fuel. A combustion chamber requires one initial spark to begin the combustion of the fuel in the chamber. After that, the chamber will function as long as it has fresh fuel and gas. The fuel combusts, or burns, in the chamber. This combustion releases large amounts of energy to be absorbed by the gas. This increases the temperature and enthalpy of the gas.
| Common Assumptions | Conservation of Mass and Energy |
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 Note that h2 is greater than h1. This makes the energy positive, indicating the energy enters the system from the fuel and leaves in the gas. |
Combustion
chambers are fundamental componants in many systems.
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