Modeling CO 2 Concentrations in Vehicle Cabin

Paper #:
  • 2013-01-1497

Published:
  • 2013-04-08
DOI:
  • 10.4271/2013-01-1497
Citation:
Jung, H., "Modeling CO2 Concentrations in Vehicle Cabin," SAE Technical Paper 2013-01-1497, 2013, https://doi.org/10.4271/2013-01-1497.
Pages:
6
Abstract:
Passengers are exposed to roadway pollutants due to entrainment of outside air into the vehicle cabin. Previous works found cabin air-recirculation can reduce pollutant particle concentrations significantly. However simultaneous increase of CO₂ concentrations in the cabin prevented wide use of recirculation mode for such purpose. A mathematical model was developed to predict CO₂ concentrations in vehicle cabin air during air-recirculation mode. The model predicts temporal CO₂ concentration changes as a function of cabin volume, vehicle body leakage, and number of passengers. This model can be used to design and control air-recirculation mode for a variety of vehicle conditions.
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