Scaling of Internal Wall Temperatures in Enclosure Fires

Report Date: November 2013

This report analyses the scaling of enclosure fires, including internal wall temperatures and gas temperatures, velocities, and concentrations. Two series of room fires were tested in three different scales, full, medium, and small scale. From the testing, a method for scaling internal wall temperatures is proposed.


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  • SP Technical Research Institute of Sweden

    SP applies its internationally leading competence to the development and evaluation of technologies, material, products, and processes to meet its customers' needs and provide an effective link between research and commercialization.

    SP Fire Research is active in research, Fire Safety Engineering, support to national and international legislation, off-shore safety, risk analysis, testing, certification, inspection and so on. The group works globally.

    We investigate and test the behaviour of materials and products in fires. The results can be used for type approval and certification in Sweden and in other countries. We test extinguishants and fire-fighting equipment.

    We also perform theoretical analyses of the growth of fires and the spread of smoke, with calculations of temperatures in structures exposed to fire.

    We have an extensive network of contacts through such ways as active participation in international standardisation by CEN and ISO, as well as through the joint European fire testing laboratories organisation, EGOLF.

    Our activites are presented in our newsletter Brandposten. It is published twice a year on Swedish/Norwegian and English.

Li, Ying Zhen and Tommy Hertzberg. Scaling of Internal Wall Temperatures in Enclosure Fires. Borås, Sweden: SP Technical Research Institute of Sweden, SP Report 2013:12, 2013. Print.

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