Dilution Ratio and Particle Loss Performance of a Newly Developed Ejector Porous Tube Diluter Compared to a Commercial Diluter
Abstract In this study, a new ejector-porous tube diluter was developed to accurately in situ measure particulate matter at the source, e.g., emissions at coal-fired power plants, and its dilution ratio and particle loss were compared to those of a commercial model. Whereas commercial models supply...
Saved in:
| Main Authors: | , , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Springer
2020-07-01
|
| Series: | Aerosol and Air Quality Research |
| Subjects: | |
| Online Access: | https://doi.org/10.4209/aaqr.2020.03.0117 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1825197493811412992 |
|---|---|
| author | Dongho Shin Hyunsoo Seo Kee-Jung Hong Hak-Joon Kim Yong-Jin Kim Bangwoo Han Ga-Young Lee Sung-Nam Chun Jungho Hwang |
| author_facet | Dongho Shin Hyunsoo Seo Kee-Jung Hong Hak-Joon Kim Yong-Jin Kim Bangwoo Han Ga-Young Lee Sung-Nam Chun Jungho Hwang |
| author_sort | Dongho Shin |
| collection | DOAJ |
| description | Abstract In this study, a new ejector-porous tube diluter was developed to accurately in situ measure particulate matter at the source, e.g., emissions at coal-fired power plants, and its dilution ratio and particle loss were compared to those of a commercial model. Whereas commercial models supply air to the porous tube diluter (PRD) using a high-pressure compressor, our device replaces the latter with a ring blower, thereby decreasing the power consumption for the same airflow rate. As a demonstration, particle size volume distributions of fly ash at a coal-fired power plant stack were determined for different dilution ratios. PRD flow rates of 10 and 20 L min−1 for the commercial diluter produced ~2-µm particle volume concentrations of 382 and 572 µm3 cm−3, respectively, from an initial (undiluted) volume concentration of 756 µm3 cm−3. However, PRD flow rates of 10 and 30 L min−1 for the developed device produced ~2-µm particle volume concentrations of 506 and 500 µm3 cm−3, respectively, from an initial volume concentration of 532 µm3 cm−3. These particle loss rates were confirmed through field testing. |
| format | Article |
| id | doaj-art-37b7260bdd5e48858ec89daed95dd6ee |
| institution | Kabale University |
| issn | 1680-8584 2071-1409 |
| language | English |
| publishDate | 2020-07-01 |
| publisher | Springer |
| record_format | Article |
| series | Aerosol and Air Quality Research |
| spelling | doaj-art-37b7260bdd5e48858ec89daed95dd6ee2025-02-09T12:19:15ZengSpringerAerosol and Air Quality Research1680-85842071-14092020-07-0120112396240310.4209/aaqr.2020.03.0117Dilution Ratio and Particle Loss Performance of a Newly Developed Ejector Porous Tube Diluter Compared to a Commercial DiluterDongho Shin0Hyunsoo Seo1Kee-Jung Hong2Hak-Joon Kim3Yong-Jin Kim4Bangwoo Han5Ga-Young Lee6Sung-Nam Chun7Jungho Hwang8Department of environment Machinery, Korea Institute of Machinery & MaterialsDepartment of environment Machinery, Korea Institute of Machinery & MaterialsDepartment of environment Machinery, Korea Institute of Machinery & MaterialsDepartment of environment Machinery, Korea Institute of Machinery & MaterialsDepartment of environment Machinery, Korea Institute of Machinery & MaterialsDepartment of environment Machinery, Korea Institute of Machinery & MaterialsKorea Electric Power Research InstituteKorea Electric Power Research InstituteMechanical Engineering, Yonsei UniversityAbstract In this study, a new ejector-porous tube diluter was developed to accurately in situ measure particulate matter at the source, e.g., emissions at coal-fired power plants, and its dilution ratio and particle loss were compared to those of a commercial model. Whereas commercial models supply air to the porous tube diluter (PRD) using a high-pressure compressor, our device replaces the latter with a ring blower, thereby decreasing the power consumption for the same airflow rate. As a demonstration, particle size volume distributions of fly ash at a coal-fired power plant stack were determined for different dilution ratios. PRD flow rates of 10 and 20 L min−1 for the commercial diluter produced ~2-µm particle volume concentrations of 382 and 572 µm3 cm−3, respectively, from an initial (undiluted) volume concentration of 756 µm3 cm−3. However, PRD flow rates of 10 and 30 L min−1 for the developed device produced ~2-µm particle volume concentrations of 506 and 500 µm3 cm−3, respectively, from an initial volume concentration of 532 µm3 cm−3. These particle loss rates were confirmed through field testing.https://doi.org/10.4209/aaqr.2020.03.0117DiluterEjectorPorous tubeParticle lossTurbulence |
| spellingShingle | Dongho Shin Hyunsoo Seo Kee-Jung Hong Hak-Joon Kim Yong-Jin Kim Bangwoo Han Ga-Young Lee Sung-Nam Chun Jungho Hwang Dilution Ratio and Particle Loss Performance of a Newly Developed Ejector Porous Tube Diluter Compared to a Commercial Diluter Aerosol and Air Quality Research Diluter Ejector Porous tube Particle loss Turbulence |
| title | Dilution Ratio and Particle Loss Performance of a Newly Developed Ejector Porous Tube Diluter Compared to a Commercial Diluter |
| title_full | Dilution Ratio and Particle Loss Performance of a Newly Developed Ejector Porous Tube Diluter Compared to a Commercial Diluter |
| title_fullStr | Dilution Ratio and Particle Loss Performance of a Newly Developed Ejector Porous Tube Diluter Compared to a Commercial Diluter |
| title_full_unstemmed | Dilution Ratio and Particle Loss Performance of a Newly Developed Ejector Porous Tube Diluter Compared to a Commercial Diluter |
| title_short | Dilution Ratio and Particle Loss Performance of a Newly Developed Ejector Porous Tube Diluter Compared to a Commercial Diluter |
| title_sort | dilution ratio and particle loss performance of a newly developed ejector porous tube diluter compared to a commercial diluter |
| topic | Diluter Ejector Porous tube Particle loss Turbulence |
| url | https://doi.org/10.4209/aaqr.2020.03.0117 |
| work_keys_str_mv | AT donghoshin dilutionratioandparticlelossperformanceofanewlydevelopedejectorporoustubedilutercomparedtoacommercialdiluter AT hyunsooseo dilutionratioandparticlelossperformanceofanewlydevelopedejectorporoustubedilutercomparedtoacommercialdiluter AT keejunghong dilutionratioandparticlelossperformanceofanewlydevelopedejectorporoustubedilutercomparedtoacommercialdiluter AT hakjoonkim dilutionratioandparticlelossperformanceofanewlydevelopedejectorporoustubedilutercomparedtoacommercialdiluter AT yongjinkim dilutionratioandparticlelossperformanceofanewlydevelopedejectorporoustubedilutercomparedtoacommercialdiluter AT bangwoohan dilutionratioandparticlelossperformanceofanewlydevelopedejectorporoustubedilutercomparedtoacommercialdiluter AT gayounglee dilutionratioandparticlelossperformanceofanewlydevelopedejectorporoustubedilutercomparedtoacommercialdiluter AT sungnamchun dilutionratioandparticlelossperformanceofanewlydevelopedejectorporoustubedilutercomparedtoacommercialdiluter AT junghohwang dilutionratioandparticlelossperformanceofanewlydevelopedejectorporoustubedilutercomparedtoacommercialdiluter |