What can happen if there is an excessive air supply to the flame?

An excessive air supply to the flame can lead to a blowout, which occurs when there is too much air relative to the fuel being burned. In combustion systems, maintaining the appropriate air-to-fuel ratio is crucial for efficient operation. When too much air enters the combustion chamber, it can cause the flame to cool to the point where it cannot sustain itself. This results in the flame being blown out.

In combustion processes, an optimal mixture of air and fuel is needed to create a stable flame. If the air supply increases beyond the required level, it disrupts the balance. Although other outcomes such as increased heat output or enhanced stability may seem possible, those conditions rely on maintaining a correct air-fuel ratio rather than excessive air. Thus, the primary concern with too much air is that it impairs combustion efficiency and can extinguish the flame entirely.