Abstract
Instantaneous and time averaged flame temperatures T ¯ , surface emissive power S E P ¯ and time averaged irradiances E ¯ of di-tert-butyl peroxide (DTBP) pool fires with d = 1.12 and 3.4 m are investigated experimentally and by CFD simulation. Predicted centerline temperature profiles for d = 1.12 m are in good agreement with the experimental emission temperature profiles for x/ d > 0.9. For d = 3.4 m the CFD predicted maximum centerline temperature at x/ d = 1.4 is 1440 K whereas the emission temperature experimentally determined from thermograms at x/ d ≈ 1.3 is 1560 K. The predicted surface emissive power for d = 1.12 m is 115 kW/m 2 in comparison to the measured surface emissive power of 130 kW/m 2 whereas for d = 3.4 m these values are 180 and 250 kW/m 2. The predicted distance dependent irradiances agree well with the measured irradiances.
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