Texas A&M fire whirl burns crude oil 40% faster and cuts soot 40%

An experimental fire whirl over crude oil proved to burn the fuel 40% faster than traditional oil spill fires, while also cutting soot emissions by 40%, according to researchers from Texas A&M University and the University of California, Berkeley. The study was conducted at Texas A&M's Brayton Fire Training Field, where they created a nearly 17-foot-tall rotating flame over floating crude oil.

In-situ burning is a method commonly used to respond to oil spills, where the oil is ignited while still on the water's surface. While this approach can remove large amounts of oil quickly, it often produces thick black smoke and partially burned residues. The scientists aimed to improve this process by shaping the flame into a rotating vortex, instead of allowing it to spread across the water's surface.

The fire whirl experiment consisted of a three-sided triangular structure that guided and twisted the air around a central pool of crude oil. When ignited, the flame rose nearly 17 feet into the air, rotating upward and drawing in air from multiple directions. This air intake, combined with its upward motion, made the fire burn more efficiently, consuming up to 95% of the fuel and reducing soot emissions by 40%.

The researchers believe that a controlled fire whirl could be a more efficient and environmentally friendly response to oil spills at sea, minimizing the impact on marine life, coastal habitats, and surrounding ecosystems. However, they acknowledge that the technology is still in the experimental stage and would require further testing to ensure its effectiveness and safety in various marine conditions.