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Title: Studies on the 'ventilation effectiveness' and modification of the ventilation system in the waiting hall of a railway station
Authors: Chow, WK 
Fung, WY
Keywords: Field measurement
Macroscopic numbers
System design
Ventilation effectiveness
Issue Date: 1996
Publisher: SAGE Publications
Source: Indoor and built environment, 1996, v. 5, no. 5, p. 280-290 How to cite?
Journal: Indoor and built environment 
Abstract: The concept of ventilation effectiveness for mechanical ventilation of an airspace is reviewed and associated parameters for describing the performance of ventilation systems are described. The idea is applied to a study of the thermal environment in the waiting hall of a railway station. Two ventilation schemes: one with a ventilation system only and the other with an air-conditioning system were considered. The proposed air-conditioning system would provide air at a temperature only 5°C below the ambient but with a higher air circulation rate. This would reduce the amount of energy used for environmental protection compared to more conventional systems providing full air-conditioning. It is found that using such a scheme it is possible to provide a better thermal environment using less energy than with a full air-conditioning system.
ISSN: 1420-326X
EISSN: 1423-0070
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