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SINTEF STF25 F95015
Test Programme F3 - Confined Jet and Pool Fires - Technical Report for Test JF9C
BFETS Phase 2
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 jet fire test JF9C.
The jet fire test JF9C represents a horizontal release of condensate (a liquid fraction from an oil refinery) pointing inwards from the ventilation opening, into 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 jet fire test JF9C was to find the influence of jet orientation on fire behaviour and to repeat test JF9, which produced a severe fire and caused extensive damages to the enclosure.
The fuel release rate was varied in four steps, between 0.80 kg/s and 0.95 kg/s, by variation of release pressure from 8.8 bar to 12.4 bar, keeping the ventilation opening fixed at 3.45 x 2.81m. The fire became under ventilated soon after ignition, with a variation of equivalence ratio of 0.60±0.16 to 0.70±0.18.
This technical report includes a description of the test rig, the experimental details and a set of curves from the measured parameters.
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