Coffee Break Training: Automatic Sprinklers: Sprinkler System Design: Introduction to Hydraulic Calculation (Part 3) [open pdf - 149KB]
The learning objective of this coffee break training is that "The student will be able to explain density in fire sprinkler system design."
Coffee Break Training - Fire Protection Series No. FP-2014-32
United States Fire Administration: http://www.usfa.fema.gov/