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Sensors 2017, 17(4), 778; doi:10.3390/s17040778

Assessment of the Indoor Odour Impact in a Naturally Ventilated Room

Politecnico di Milano, Dipartimento di Chimica, Materiali e Ingegneria Chimica “G. Natta”, P.za Leonardo da Vinci 32, 20133 Milano, Italy
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Received: 31 January 2017 / Revised: 29 March 2017 / Accepted: 31 March 2017 / Published: 5 April 2017
(This article belongs to the Special Issue State-of-the-Art Sensors Technologies in Italy 2016)
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Abstract

Indoor air quality influences people’s lives, potentially affecting their health and comfort. Nowadays, ventilation is the only technique commonly used for regulating indoor air quality. CO2 is the reference species considered in order to calculate the air exchange rates of indoor environments. Indeed, regarding air quality, the presence of pleasant or unpleasant odours can strongly influence the environmental comfort. In this paper, a case study of indoor air quality monitoring is reported. The indoor field tests were conducted measuring both CO2 concentration, using a photoacoustic multi-gas analyzer, and odour trends, using an electronic nose, in order to analyze and compare the information acquired. The indoor air monitoring campaign was run for a period of 20 working days into a university room. The work was focused on the determination of both CO2 and odour emission factors (OEF) emitted by the human activity and on the evaluation of the odour impact in a naturally ventilated room. The results highlighted that an air monitoring and recycling system based only on CO2 concentration and temperature measurements might be insufficient to ensure a good indoor air quality, whereas its performances could be improved by integrating the existing systems with an electronic nose for odour detection. View Full-Text
Keywords: odour monitoring; emission factors; indoor air quality; naturally-ventilated rooms; CO2; modeling odour monitoring; emission factors; indoor air quality; naturally-ventilated rooms; CO2; modeling
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MDPI and ACS Style

Eusebio, L.; Derudi, M.; Capelli, L.; Nano, G.; Sironi, S. Assessment of the Indoor Odour Impact in a Naturally Ventilated Room. Sensors 2017, 17, 778.

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