CFD modeling of turbulent flow through fire sprinkler nozzle: Effects of inlet geometry
Automatic fire sprinkler systems are considered to be the most effective and economical way to apply water to suppress a fire (Fleming 2016). The automatic sprinkler itself is the key component of the sprinkler system. Automatic sprinklers must be well…
Storage sprinkler design: a historical perspective – Part 2

In the 1980s FM led the development of another new technology: early suppression fast response (ESFR) sprinklers. This new class of sprinkler was developed to ensure a higher ADD than RDD, while providing hazard protection with cartoned plastic commodity storage…

Protection of exposed, expanded Group A plastics stored in racks

The 2013 and prior editions of NFPA 13, Standard for the Installation of Sprinkler Systems, did not include sprinkler system design criteria for exposed (uncartoned), expanded Group A plastics stored in racks, since this type of protection was referenced as…

UL offers online tool for testing of fire sprinklers sampled from buildings

For several decades, UL has provided a testing service to assess the operating characteristics of fire sprinklers sampled from sprinkler systems in existing buildings. UL’s online tool that makes it easy for the user of these services to request testing.…