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Author(s): A.E. Filios & A. Fatsis
Abstract:
The present work aims to investigate the maximum CO distribution in the
Athens-Greece airport train station platform for long-term exposure.
A model
based on the numerical solution of the three-dimensional flow field of the
Athens-Greece airport train station was developed for this reason The work was
performed using the CFD package called FLOVENTŪ V3.
2.
The initial study of the CO level at the train station was performed without
mechanical ventilation at the train station platform.
Three different cases were
examined by varying the wind magnitude and direction.
Subsequently, four extra
scenarios were examined with and without mechanical ventilation.
The results
obtained from the scenario with mechanical ventilation were compared to the
ones from the scenario without mechanical ventilation.
In all the above cases, the
CO emissions from the vehicles in the two nearby highways were also taken into
account.
It is concluded that the maximum CO level in the case with mechanical
ventilation is higher than in the case without.
This is due to recirculation zones
that create locally high levels of CO in the platform area.
On the other hand, the
average level of CO is lower at the platform with the ventilation on.
Keywords:
emissions level, mechanical ventilation, numerical prediction.
1 Introduction
A study undertaken to investigate the CO levels in the Athens-Greece Airport
train station platform is presented in the present article.
Several external wind
conditions will be studied and these will be compared to cases with mechanical
...
Pages: 9
Size: 1,615 kb
Paper DOI: 10.2495/AFM060471
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