air cooling

Another form of air-cooling system consists of pins or spines projecting radially from the surface of the cylinder.

The steel cylinders are machined from solid forgings and provided with webs for air-cooling as shown.

The car surged forward instantly, a blast of icy air pouring from the air-cooling vents.

Air cooling is carried out by fans which drive air through air jackets on cylinders.

Occasionally the chief would shoot a question at me; but, the night air cooling my fevered brain, my replies were guarded.