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   CO2-based demand control for coach ventilation  evaluated  
The ventilation of confined spaces can be controlled according to demand by using CO2-concentration as an indicator for occupancy. This concept can be applied to railway passenger coaches and saves energy since less outside air has to be heated or cooled to inside temperature.
Technology field: Optimisation of comfort functions
open main section General information
open main section General criteria
open main section Environmental criteria
open main section Economic criteria
open main section Application outside railway sector
open main section Overall rating
References / Links:  Brunner, Gartner 1999;  Dongen, Fiechter 2000;  Emmerich, Persily 1997
Related projects:  CO2-controlled ventilation;  Savings on Coaches, Type Bpm
Contact persons:
 date created: 2002-10-09
© UIC - International Union of Railways 2003
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