What characterizes a laminar flame?

A laminar flame is characterized by an orderly and stable flow of gases, which distinguishes it from other types of flames. In a laminar flame, the fuel and oxidizer mix in a smooth, predictable manner, allowing for a uniform combustion process that occurs at a consistent velocity. This steady flow results in well-defined flame shapes and a clear separation between the flame and the surrounding gases.

In contrast, chaotic behavior and high turbulence associated with flames indicate unstable burning conditions and are not typical of laminar behavior. Additionally, a bright and flickering appearance usually suggests the presence of turbulence or mixing of gases, which is also inconsistent with the stable flow of a laminar flame. Therefore, the attribute of orderly and stable flow accurately describes the nature of a laminar flame.