| Rebuilding experimental nonequilibrium radiation in shock-heated Martian-like mixture flows using electronic state-to-state approach | |
Hong QZ(洪启臻)1,2 ; Wang XY(王小永)1; Hu Y(胡远)1; Lin X(林鑫)1; Sun QH(孙泉华)1,2
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| Source Publication | INTERNATIONAL JOURNAL OF MODERN PHYSICS B
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| 2020-06-30 | |
| Volume | 34Issue:14-16Pages:8 |
| ISSN | 0217-9792 |
| Abstract | An electronic state-to-state approach is developed to reproduce numerically the radiative processes in the experiments on the Electric Arc Shock Tube facility at NASA Ames Research Center. The experiments measured the spectral radiance of C-2 Swan band and CO 4th Positive band behind the strong shock wave in a Martian-like mixture. The present state-to-state approach solves the electronic states of strong radiators by integrating the collisional-radiative model into the master equations in the frame of Euler equations. Particularly, the electron impact dissociation of CO is included, and the rate coefficients are proposed for the electronic state-specific heavy-particle impact excitation and dissociation of C-2. The nonequilibrium radiation behind the shock is calculated by the line-by-line method, and it is then convoluted using the calibrated smearing function in order to compare with the experiments. The state-specific simulation results is found to agree well with both spectral and spatial measurement data. The simulated electronic state populations of CO and C-2 deviate from Boltzmann distributions significantly, which could explain the failure of previous two-temperature quasi-steady-state based simulations. |
| Keyword | Electronic state-to-state approach nonequilibrium radiation Martian-like mixture |
| DOI | 10.1142/S0217979220400846 |
| Indexed By | SCI |
| Language | 英语 |
| WOS ID | WOS:000543802700018 |
| WOS Research Area | Physics |
| WOS Subject | Physics, Applied ; Physics, Condensed Matter ; Physics, Mathematical |
| Funding Organization | Strategic Priority Research Program of Chinese Academy of Sciences[XDA17030100] |
| Classification | Q4 |
| Ranking | 1 |
| Contributor | Sun, Quanhua |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://dspace.imech.ac.cn/handle/311007/84758 |
| Collection | 高温气体动力学国家重点实验室 |
| Affiliation | 1.Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China; 2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China |
| Recommended Citation GB/T 7714 | Hong QZ,Wang XY,Hu Y,et al. Rebuilding experimental nonequilibrium radiation in shock-heated Martian-like mixture flows using electronic state-to-state approach[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS B,2020,34,14-16,:8.Rp_Au:Sun, Quanhua |
| APA | 洪启臻,王小永,胡远,林鑫,&孙泉华.(2020).Rebuilding experimental nonequilibrium radiation in shock-heated Martian-like mixture flows using electronic state-to-state approach.INTERNATIONAL JOURNAL OF MODERN PHYSICS B,34(14-16),8. |
| MLA | 洪启臻,et al."Rebuilding experimental nonequilibrium radiation in shock-heated Martian-like mixture flows using electronic state-to-state approach".INTERNATIONAL JOURNAL OF MODERN PHYSICS B 34.14-16(2020):8. |
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| Jp2020202.pdf（749KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Download | |
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