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SUMMARY

SINTEF Energy - Norwegian Fire Research Laboratory (NBL) has the task to carry out a series of fire tests with confined jet and pool fires, according to the test programme F3 of Blast and Fire Engineering for Topside Structures. This report is for pool fire test PF11.

The pool fire test PF11 represents a 24 m² pool fire of condensate (a liquid fraction from an oil refinery) on a water bed in a 415 m³ enclosure.

The general fire behaviour such as flame geometry and characteristics, temperature field and heat load from this naturally ventilated fire was studied. The main purpose of pool fire test PF11 was to investigate the differences between a jet fire (JF12) and a pool fire, with the same ventilation opening and with the approximate same fuel rate.

The fuel burning rate was ~0.90 kg/s. The ventilation opening was 15.45 m² as in jet fire JF12. The fire became slightly under-ventilated soon after ignition, with a variation of air-to-fuel equivalence ratio of 0.93±0.31.

This technical report includes description of the test rig, the experimental details and a set of curves from the measured parameters.