UL Firefighter Safety Research Institute – This Tactical Consideration video featuring UL FSRI’s Robin Zevotek explains why the flow path and suppression must be considered together. The flow path of ...

This flowchart shows how engine and truck duties “crosswalk” to the updated operational acronym SLICERS, which drives us to consider the importance of an awareness of flow path and cooling during fire ...

A Note from Jim: The stated objective of this story is to introduce you to some notions that may be of imme-diate help to circle track engines operating under rules that allow non-OEM parts. It is ...

Brian Teears explains how fire dynamics has changed as a result of modern construction and, thus, why officers and firefighters must account for this in terms of how heat, air and water interact.

Control valves experience significant reaction loads when they regulate choked flow. The highly restrictive, complex flow path of existing severe-service valves dissipates the forces from ...