Airflow around a passenger seated in a bus

Conceição, E. Z. E.; da Silva, M. C. G.; Viegas, D. X.

http://hdl.handle.net/10400.1/7533

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Authors

Conceição, E. Z. E.

da Silva, M. C. G.

Viegas, D. X.

Abstract(s)

The thermal comfort conditions perceived by the occupants of a bus during a typical summer are evaluated through the mapping of the flow field in the zone occupied by passengers, in terms of mean air velocity, turbulence intensity, and temperature. A full scale bus section was used in laboratory tests, with the passenger presence simulated by a thermally-regulated mannequin and the solar radiation by a panel of lamps with a spectrum similar to that of the sun. Given the symmetry of the vehicle, the only situations reproduced were those where the vehicle was subjected to radiation from the left-hand side. Measurements were performed both with and without a passenger seated in the window seat and in the aisle seat. In each case, two situations were considered, one with the solar protection curtains up and the other with them down.