Abstract
It is important to monitoring the fine particles (PM2.5) in atmosphere as it threatens the public health all over the world. But the existing concentration measuring devices have shortcomings in speed and range. A novel fine particle concentration measuring system based on the ultrasonic attenuation was designed in this paper, which could help to solve the problem. Firstly the mechanism of ultrasonic attenuation in dust cloud was studied to verify the relationship between the concentration and the ultrasonic attenuation. Then the novel concentration measuring system was designed. The micro ultrasonic transducer array was introduced into the system, so the system can be sensitive as well as small. Finally, experiment was conducted to check the performance of this measuring system, and the results show that it could realize measurement quickly.
| Original language | English |
|---|---|
| Title of host publication | Material Science and MEMS Production |
| Pages | 29-33 |
| Number of pages | 5 |
| DOIs | |
| Publication status | Published - 2014 |
| Event | 2014 Conference on MEMS and Nanotechnology, MEMS-NANO 2014 - Shenzhen, China Duration: 23 Jan 2014 → 24 Jan 2014 |
Publication series
| Name | Advanced Materials Research |
|---|---|
| Volume | 901 |
| ISSN (Print) | 1022-6680 |
Conference
| Conference | 2014 Conference on MEMS and Nanotechnology, MEMS-NANO 2014 |
|---|---|
| Country/Territory | China |
| City | Shenzhen |
| Period | 23/01/14 → 24/01/14 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
Keywords
- Concentration measurement
- Fine particle/PM2.5
- Ultrasonic attenuation
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