Evaluation of Fire Models for Nuclear Power Plant Applications: Benchmark Exercise No. 5: Flame Spread in Cable Tray Fires - International Panel Report, Gesellschaft fur Anlagenund Reaktorsicherheit (GRS) mbH, GRS-214, Cologne, Germany, November 2006.
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Abstract
As a part of the Nuclear Regulatory Investigation Program, the German iBMB (Institut für Baustoffe, Massivbau und Brandschutz) of Braunschweig University of Technology and GRS (Gesellschaft für Anlagen- und Reaktorsicherheit mbH) participates in the "International Collaborative Project to Evaluate Fire Models for Nuclear Power Plant Applications” (ICFMP) for assessing and validating fire simulation codes for nuclear power plant applications. This assessment is being performed through benchmarking and validation exercises. The tests of Benchmark Exercise No. 5 simulate cable fire scenarios in a single compartment. A major objective of the actual cable fire experimental series is the investigation of the effects of a naturally ventilated fire on vertically routed cables (worst case) with different cable insulation materials (PVC (polyvinyl chloride) and FRNC (fire retardant non-corrosive)). Another important aspect of cable fires in nuclear power plants is the risk of functional failures. Therefore within these test series short circuits as well as loss of conductivity of the cables have been measured.
This panel report includes a description of the specification and the experimental results for the Tests 1 to 4 of the ICFMP Benchmark Exercise No. 5 performed in December 2003 at the iBMB in Germany. The experimental data have been reported on the ICFMP platform and have been discussed at several ICFMP meetings. The measured data are the basis for fire simulations by the institutions from different countries participating in the ICFMP.
Report: 310 pages.
As a part of the Nuclear Regulatory Investigation Program, the German iBMB (Institut für Baustoffe, Massivbau und Brandschutz) of Braunschweig University of Technology and GRS (Gesellschaft für Anlagen- und Reaktorsicherheit mbH) participates in the "International Collaborative Project to Evaluate Fire Models for Nuclear Power Plant Applications” (ICFMP) for assessing and validating fire simulation codes for nuclear power plant applications. This assessment is being performed through benchmarking and validation exercises. The tests of Benchmark Exercise No. 5 simulate cable fire scenarios in a single compartment. A major objective of the actual cable fire experimental series is the investigation of the effects of a naturally ventilated fire on vertically routed cables (worst case) with different cable insulation materials (PVC (polyvinyl chloride) and FRNC (fire retardant non-corrosive)). Another important aspect of cable fires in nuclear power plants is the risk of functional failures. Therefore within these test series short circuits as well as loss of conductivity of the cables have been measured.
This panel report includes a description of the specification and the experimental results for the Tests 1 to 4 of the ICFMP Benchmark Exercise No. 5 performed in December 2003 at the iBMB in Germany. The experimental data have been reported on the ICFMP platform and have been discussed at several ICFMP meetings. The measured data are the basis for fire simulations by the institutions from different countries participating in the ICFMP.
Report: 310 pages.