CFD prediction and tracer gas measurement of an indoor car park naturally ventilated.

Cumo F, de Santoli L, Moncada lo Giudice G
car park, computational fluid dynamics, natural ventilation
Year:
2001
Bibliographic info:
Italy, Milan, AICARR, 2001, proceedings of the 7th REHVA World Congress and Clima 2000 Naples 2001 Conference, held Naples, Italy, 15-18 September 2001, paper on CD.

Presents CFD simulations and field experiments on ventilation efficiency in an underground car park with natural ventilation. A series of experiments were carried out to validate the results of the CFD calculation, looking at the decay of the concentration of tracer gas (SF6) in the area studied. A long/linear analysis of concentration with time was used to deduce the air change rate. It was found that experimental data were in good agreement with the CFD simulation result. Concludes that it is possible to consider numerical codes as a useful design tool even for natural ventilation systems.

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