Solar Thermal Panels for Small- Medium Scale Air Cleaners in Major Cities

[+] Author and Article Information
Francisco J. Arias

Department of Fluid Mechanics Barcelona, Catalunya 08022 Spain francisco.javier.arias@upc.edu

Salvador De Las Heras

ESEIAAT C/ Colom 11, 08222 Barcelona, Spain Barcelona, 08222 Spain salvador.delasheras@upc.edu

1Corresponding author.

Contributed by the Solar Energy Division of ASME for publication in the Journal of Solar Energy Engineering. Manuscript received July 8, 2018; final manuscript received May 5, 2019; published online xx xx, xxxx. Assoc. Editor: Ming Qu.

ASME doi:10.1115/1.4043752 History: Received July 08, 2018; Accepted May 08, 2019


Air quality in major cities across the globe is taking a hit to alarming levels due to large scale industrialization without respecting emission norms and hence, the topic of air purification systems in cities is becoming a fertile field for research. Here, consideration is given to the use of small-medium scale air purification system for cities using a kind of solar thermal panels by inducing convective currents intended to be used in parks, housing estates or similar urban places providing a local improvement of the quality of the air. Utilizing a simplified physical model, the effective buoyancy was calculated and the attainable air mass flow calculated. It is shown that for a small panel of 5 m-height, an air flow per unit of width around 0.4 kg/s is attainable; and for a 10 m-height panel up to 0.6 kg/s per unit width.

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