Experimental Studies on the Spraying Pattern of a Swirl Nozzle for Coal Dust Control
The experimental and numerical studies were performed to understand the atomization mechanism of pressure spray of a swirl nozzle. The design and performance parameters such as spray cone angle, velocity of particles, spray pressure, and Sauter Mean Diameter (SMD) of the droplets were studied using...
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MDPI AG
2018-09-01
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Online Access: | http://www.mdpi.com/2076-3417/8/10/1770 |
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author | Guijun Gao Changjiang Wang Ziming Kou |
author_facet | Guijun Gao Changjiang Wang Ziming Kou |
author_sort | Guijun Gao |
collection | DOAJ |
description | The experimental and numerical studies were performed to understand the atomization mechanism of pressure spray of a swirl nozzle. The design and performance parameters such as spray cone angle, velocity of particles, spray pressure, and Sauter Mean Diameter (SMD) of the droplets were studied using a laser particle size analyzer and high-speed camera. The results show that the SMD increases at first, then decreases as the spray distance increases, and finally tends to be stable after 1 m. The SMD is largest in the center of the spray field and decreases gradually along the radial direction. The SMD distribution is more concentrated near the nozzle. Increasing spray pressure and deceasing nozzle diameter both can make the SMD distribution more concentrated and uniform. The swirl nozzle has been used in a coal mine and was shown to be very effective in suppressing coal dust compared to other traditional nozzles. |
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institution | Directory Open Access Journal |
issn | 2076-3417 |
language | English |
last_indexed | 2024-04-13T01:37:48Z |
publishDate | 2018-09-01 |
publisher | MDPI AG |
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series | Applied Sciences |
spelling | doaj.art-a4d5131445e948a78b7cdefb4578b4842022-12-22T03:08:19ZengMDPI AGApplied Sciences2076-34172018-09-01810177010.3390/app8101770app8101770Experimental Studies on the Spraying Pattern of a Swirl Nozzle for Coal Dust ControlGuijun Gao0Changjiang Wang1Ziming Kou2College of Mechanical Engineering, Taiyuan University of Technology, Taiyuan 030024, ChinaDepartment of Engineering and Design, University of Sussex, Brighton BN1 9RH, UKCollege of Mechanical Engineering, Taiyuan University of Technology, Taiyuan 030024, ChinaThe experimental and numerical studies were performed to understand the atomization mechanism of pressure spray of a swirl nozzle. The design and performance parameters such as spray cone angle, velocity of particles, spray pressure, and Sauter Mean Diameter (SMD) of the droplets were studied using a laser particle size analyzer and high-speed camera. The results show that the SMD increases at first, then decreases as the spray distance increases, and finally tends to be stable after 1 m. The SMD is largest in the center of the spray field and decreases gradually along the radial direction. The SMD distribution is more concentrated near the nozzle. Increasing spray pressure and deceasing nozzle diameter both can make the SMD distribution more concentrated and uniform. The swirl nozzle has been used in a coal mine and was shown to be very effective in suppressing coal dust compared to other traditional nozzles.http://www.mdpi.com/2076-3417/8/10/1770swirl nozzlecoal dust collectorparticle SMDatomization |
spellingShingle | Guijun Gao Changjiang Wang Ziming Kou Experimental Studies on the Spraying Pattern of a Swirl Nozzle for Coal Dust Control Applied Sciences swirl nozzle coal dust collector particle SMD atomization |
title | Experimental Studies on the Spraying Pattern of a Swirl Nozzle for Coal Dust Control |
title_full | Experimental Studies on the Spraying Pattern of a Swirl Nozzle for Coal Dust Control |
title_fullStr | Experimental Studies on the Spraying Pattern of a Swirl Nozzle for Coal Dust Control |
title_full_unstemmed | Experimental Studies on the Spraying Pattern of a Swirl Nozzle for Coal Dust Control |
title_short | Experimental Studies on the Spraying Pattern of a Swirl Nozzle for Coal Dust Control |
title_sort | experimental studies on the spraying pattern of a swirl nozzle for coal dust control |
topic | swirl nozzle coal dust collector particle SMD atomization |
url | http://www.mdpi.com/2076-3417/8/10/1770 |
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