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Vol. 192, Issue 9, September 2015, pp. 16-21




Green Walls Utilizing Internet of Things

Andrejs BONDAREVS, 1 Patrik HUSS, 1 Shaofang GONG, 2 Ola WEISTER and 2 Roger LILJEDAHL

1 ITN – Communication Electronics, LiU – Campus Norrköping, SE-60174, Norrköping, Sweden
2 Vertical Plants System Sweden AB, Box 2175, SE–60002, Norrköping. Sweden
1 Tel.: +46 (0) 700896063

1 E-mail: andrejs.bondarevs@liu.se


Received: 19 August 2015 /Accepted: 20 September 2015 /Published: 30 September 2015

Digital Sensors and Sensor Sysstems


Abstract: A wireless sensor network was used to automatically control the life-support equipment of a green wall and to measure its influence on the air quality. Temperature, relative humidity, particulate matter, volatile organic compound and carbon dioxide were monitored during different tests. Green wall performance on improving the air quality and the influence of the air flow through the green wall on its performance were studied. The experimental results show that the green wall is effective to absorb particulate matter and volatile organic compound. The air flow through the green wall significantly increases the performance. The built-in fan increases the absorption rate of particulate matter by 8 times and that of formaldehyde by 3 times.


Keywords: Internet of things, Wireless sensor network, Green wall, Air quality, Particulate matter, Volatile organic compound.


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