Ventilation is part of the acceptable indoor air quality and thermal comfort problem. Carbon monoxide (CO) is a highly toxic gas that’s emitted from cars in vehicular spaces. A new strategy of ventilation called periodic supply exhaust strategy is used. The main advantage of PRESEV strategy is reducing air flow rate requirement and also achieve averaged CO ppm rise according to standards. With the PRESEV strategy a ventilation flow rate 27% of that required by conventional piston or mixed ventilation strategies could achieve the same maximum hourly averaged local CO ppm rise. This paper aims at applying the PRESEV strategy throughout different cases and check effectiveness on these cases.

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