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A platform for research: civil engineering, architecture and urbanism
Towards large eddy simulation of lng pool fires
This paper reports on the results from the first phase of a PhD research programme to develop efficient LES (large eddy simulation) approach for LNG (liquefied natural gas) fires. Soot formation is included using an empirical relationship which Raj derived from the smoke production measurements in crude oil fires by Notarianni et al.. The effect of soot in obscuring the thermal radiation from different parts of the fire is hence included in the LES simulation while the spectral characteristics of LNG fires are considered via a 6-band model. Predictions are carried out for a 14 m diameter LNG pool fire, which was part of the China Lake test series. A comparative analysis in terms of temperature, soot density and radiant intensity between the predictions, experimental data and previous analysis is undertaken. The possible implication of the current use of a soot correlation derived from a different and sootier fuel is discussed along with possible directions for improvement. Although more scenarios need to be investigated for a better evaluation of the present approach to predict radiant heat fluxes, the preliminary results are encouraging, demonstrating the potential of the technique to predict thermal radiation hazards from large LNG pool fires.
Towards large eddy simulation of lng pool fires
This paper reports on the results from the first phase of a PhD research programme to develop efficient LES (large eddy simulation) approach for LNG (liquefied natural gas) fires. Soot formation is included using an empirical relationship which Raj derived from the smoke production measurements in crude oil fires by Notarianni et al.. The effect of soot in obscuring the thermal radiation from different parts of the fire is hence included in the LES simulation while the spectral characteristics of LNG fires are considered via a 6-band model. Predictions are carried out for a 14 m diameter LNG pool fire, which was part of the China Lake test series. A comparative analysis in terms of temperature, soot density and radiant intensity between the predictions, experimental data and previous analysis is undertaken. The possible implication of the current use of a soot correlation derived from a different and sootier fuel is discussed along with possible directions for improvement. Although more scenarios need to be investigated for a better evaluation of the present approach to predict radiant heat fluxes, the preliminary results are encouraging, demonstrating the potential of the technique to predict thermal radiation hazards from large LNG pool fires.
Towards large eddy simulation of lng pool fires
Chen, Z.B. (author) / Dembele, S. (author) / Wen, J.X. (author) / Tam, V.H.Y. (author)
2009
10 Seiten, 9 Bilder, 1 Tabelle, 22 Quellen
Conference paper
Storage medium
English
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