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Test Programme F3 - Confined Jet and Pool Fires - Technical Report for Test JF22
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 JF22.
Jet fire test JF22 represents a vertical release of condensate (a liquid fraction from an oil refinery) at high level in a 415 m3 enclosure with a 3.45 x 2.81 m vent opening at one end. The general fire behaviour such as flame geometry and characteristics, temperature field and heat load from naturally ventilated fires was studied. The main purpose of test JF22 was to investigate the variations in equivalence ratio on fire behaviour by changing the fuel flow rate during the test.
The fuel release rate was varied in three steps, 1.00 kg/s, 0.95 kg/s and 0.90 kg/s, by variation of release pressure at 13.3 bar, 11.9 bar and 10.7 bar, keeping the ventilation opening as in tests JF4, JF5, JF8, JF9 and PF1O. The fire was under-ventilated, with a variation of equivalence ratio of 0.54±0.14 to 0.58±0.15.
This technical report includes description of the test rig, the experimental details and a set of curves from the measured parameters.
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