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An Engineering tool to calculate heat release rates of multiple objects in underground structures
Simple theoretical calculations of the overall heat release rate (HRR) of multiple objects have been carried out. The results were compared to fire experiments in a model tunnel using wood cribs placed at equal distance from each other. Three different methods are presented which are based on physical relations for fire spread between the wood cribs. The first method uses a critical heat flux as ignition criteria while the other two methods use an ignition temperature. The method using the critical heat flux as ignition criteria shows very good agreement with the corresponding experimental results used. The two methods using the ignition temperature as ignition criteria did not agree well with the corresponding experimental results. The prerequisites, that the methods should be kept relatively simple to be of practical use and that the burning objects should not necessarily have to be of uniform composition, were fulfilled. ; http://www.sciencedirect.com/science/journal/03797112 ; GRUVAN
An Engineering tool to calculate heat release rates of multiple objects in underground structures
Simple theoretical calculations of the overall heat release rate (HRR) of multiple objects have been carried out. The results were compared to fire experiments in a model tunnel using wood cribs placed at equal distance from each other. Three different methods are presented which are based on physical relations for fire spread between the wood cribs. The first method uses a critical heat flux as ignition criteria while the other two methods use an ignition temperature. The method using the critical heat flux as ignition criteria shows very good agreement with the corresponding experimental results used. The two methods using the ignition temperature as ignition criteria did not agree well with the corresponding experimental results. The prerequisites, that the methods should be kept relatively simple to be of practical use and that the burning objects should not necessarily have to be of uniform composition, were fulfilled. ; http://www.sciencedirect.com/science/journal/03797112 ; GRUVAN
An Engineering tool to calculate heat release rates of multiple objects in underground structures
Hansen, Rickard (author) / Ingason, Haukur (author)
2011-01-01
ISI:000290137300005
Article (Journal)
Electronic Resource
English
DDC:
624
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