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In case of fire in an atrium, a smoke and heat control (SHC) system can be designed to improve safety inside the atrium. An important design criterion is the smoke free height in the atrium. This smoke free height is the result of a number of parameters, of which the fire heat release rate (HRR), the SHC extraction mass flow rate, the position of the extraction device or opening and the size and position...
A one-dimensional computational analysis is presented of the global chimney effect due to a fire source in an inclined tunnel. Fire-induced flows are not accounted for in the present study: the computed velocity, due to global heating, is to be superposed as an initial and/or boundary condition in detailed computational fluid dynamics (CFD) simulations in a region of interest. The results must not...
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