Research on operation characteristics of wind supercharged solar chimney dust haze removal street light
Journal article
Zuo, L., Guo, Z., Zhao, T., Xiao, C., Huang, L. and Ge, Y.T. (2024). Research on operation characteristics of wind supercharged solar chimney dust haze removal street light. Process Safety and Environmental Protection. 190 (2024), pp. 1575-1589. https://doi.org/10.1016/j.psep.2024.06.118
| Authors | Zuo, L., Guo, Z., Zhao, T., Xiao, C., Huang, L. and Ge, Y.T. |
|---|---|
| Abstract | To realize distributed dust haze removal in street canyons, an innovative wind supercharged solar chimney dust haze removal street light is proposed. The design couples solar chimney technology with municipal street lighting, utilizing thermal pressure, chimney effect and wind supercharged wheel to power the system, which achieves the dual function of lighting and dust haze removal. Operational testing on a small-scale model showed: the airflow warms up the most in the inlet area, and the model creates updrafts with a dust haze removal effect. The filtration system consists of various filter screens arranged by descending filtration efficiency: HEPA, primary filter cotton, activated carbon and nylon filter screens, with airflow velocity in the flow runner in the opposite order. The average filtration efficiency is positively correlated with the pressure drop and negatively correlated with the overflow airflow. A combination of different material filter screens is more effective than simply increasing the thickness of a single filter screen. A single layer of 10 mm primary filter cotton has the highest total mass flow of clean air, reaching 4.18 g. HEPA has the highest average filtration efficiency at 93.1 %. This innovative approach offers an efficient solution for urban air purification while maintaining street lighting functionality. |
| Keywords | Solar chimney; Wind supercharged wheel; Urban dust haze removal; Street light; Airflow field characteristics; Filtration efficiency |
| Year | 2024 |
| Journal | Process Safety and Environmental Protection |
| Journal citation | 190 (2024), pp. 1575-1589 |
| Publisher | Elsevier |
| ISSN | 0957-5820 |
| 1744-3598 | |
| Digital Object Identifier (DOI) | https://doi.org/10.1016/j.psep.2024.06.118 |
| Web address (URL) | https://www.sciencedirect.com/science/article/pii/S0957582024008036?via%3Dihub |
| Publication dates | |
| Online | 08 Aug 2024 |
| Publication process dates | |
| Accepted | 26 Jun 2024 |
| Deposited | 13 Aug 2024 |
| Accepted author manuscript | License File Access Level Open |
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