What is ventilating air used for on a combustion heater?

The use of ventilating air in a combustion heater is primarily for carrying heat to the areas where it is needed. When air is heated within the combustion heater, it needs to be distributed effectively throughout the cabin or designated spaces. This heated air then circulates, raising the ambient temperature and ensuring that the environment remains comfortable and conducive for passengers or crew members.

Ventilating air acts as a key medium that helps transfer the heat generated by the combustion process. As this heated air moves through the system, it carries warmth to specific locations, addressing the thermal comfort requirements of the space being heated. This distribution is vital for maintaining an even and desired temperature throughout the cabin.

Using ventilating air in this manner emphasizes the crucial role it plays in thermal management within the cabin atmosphere control system of an aircraft.