Numerical 3D Modeling: Microwave Plasma Torch at Intermediate Pressure
This study represents a self-consistent three-dimensional (3D) fluid plasma model coupled with Maxwell equations at an intermediate pressure between 1000 and 5000 Pa. The model was established using the finite element method to analyze the effects of time–space characteristics, which is the variatio...
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| Format: | Article |
| Language: | English |
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MDPI AG
2020-08-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/10/15/5393 |
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| author | Qinghao Shen Run Huang Zili Xu Wei Hua |
| author_facet | Qinghao Shen Run Huang Zili Xu Wei Hua |
| author_sort | Qinghao Shen |
| collection | DOAJ |
| description | This study represents a self-consistent three-dimensional (3D) fluid plasma model coupled with Maxwell equations at an intermediate pressure between 1000 and 5000 Pa. The model was established using the finite element method to analyze the effects of time–space characteristics, which is the variation of plasma parameters with time and the 3D spatial distribution of plasma parameters in the plasma torch at various times. The numerical modeling was demonstrated in three different stages, where the growth of electron density is associated with time. From the distribution characteristics of molecular ions, it can be concluded that they are distributed mainly at the port of the quartz tube of the torch, which is larger than the center of the tube. The density ratio of molecular ion to electron is decreased because of the reduction of pressure and distance, which has been calculated from the port to the center of the quartz tube. The analysis of microwave plasma parameters indicated that intermediate pressure is useful for modeling and plasma source designing, especially for carbon dioxide conversion. |
| first_indexed | 2024-03-10T17:58:06Z |
| format | Article |
| id | doaj.art-8d3a351f55b54c0397e88b94b6ddce21 |
| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-10T17:58:06Z |
| publishDate | 2020-08-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj.art-8d3a351f55b54c0397e88b94b6ddce212023-11-20T09:04:57ZengMDPI AGApplied Sciences2076-34172020-08-011015539310.3390/app10155393Numerical 3D Modeling: Microwave Plasma Torch at Intermediate PressureQinghao Shen0Run Huang1Zili Xu2Wei Hua3School of Electronics and Information Engineering, Sichuan University, Chengdu 610065, ChinaSchool of Electronics and Information Engineering, Sichuan University, Chengdu 610065, ChinaSecond Research Institute of CAAC, Chengdu 610041, ChinaSchool of Electronics and Information Engineering, Sichuan University, Chengdu 610065, ChinaThis study represents a self-consistent three-dimensional (3D) fluid plasma model coupled with Maxwell equations at an intermediate pressure between 1000 and 5000 Pa. The model was established using the finite element method to analyze the effects of time–space characteristics, which is the variation of plasma parameters with time and the 3D spatial distribution of plasma parameters in the plasma torch at various times. The numerical modeling was demonstrated in three different stages, where the growth of electron density is associated with time. From the distribution characteristics of molecular ions, it can be concluded that they are distributed mainly at the port of the quartz tube of the torch, which is larger than the center of the tube. The density ratio of molecular ion to electron is decreased because of the reduction of pressure and distance, which has been calculated from the port to the center of the quartz tube. The analysis of microwave plasma parameters indicated that intermediate pressure is useful for modeling and plasma source designing, especially for carbon dioxide conversion.https://www.mdpi.com/2076-3417/10/15/5393electron densitymicrowave plasmamolecular ionmodelingspace-time characteristics |
| spellingShingle | Qinghao Shen Run Huang Zili Xu Wei Hua Numerical 3D Modeling: Microwave Plasma Torch at Intermediate Pressure Applied Sciences electron density microwave plasma molecular ion modeling space-time characteristics |
| title | Numerical 3D Modeling: Microwave Plasma Torch at Intermediate Pressure |
| title_full | Numerical 3D Modeling: Microwave Plasma Torch at Intermediate Pressure |
| title_fullStr | Numerical 3D Modeling: Microwave Plasma Torch at Intermediate Pressure |
| title_full_unstemmed | Numerical 3D Modeling: Microwave Plasma Torch at Intermediate Pressure |
| title_short | Numerical 3D Modeling: Microwave Plasma Torch at Intermediate Pressure |
| title_sort | numerical 3d modeling microwave plasma torch at intermediate pressure |
| topic | electron density microwave plasma molecular ion modeling space-time characteristics |
| url | https://www.mdpi.com/2076-3417/10/15/5393 |
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