Definition(s)
Worst Case Orientation<water mist nozzles>
the orientation which produces the longest response time with the axis of the nozzle inlet perpendicular to the air flow.
Source: Resolution A.800(19), Revised Guidelines for Approval of Sprinkler Systems Equivalent to that Referred to in SOLAS Regulation 11-2/12, 23 November 1995, International Maritime Organization. Regulatory Guidance