کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5430246 | 1397393 | 2008 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Radiative transfer in gases under thermal and chemical nonequilibrium conditions: Application to earth atmospheric re-entry
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
طیف سنجی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Radiative transfer in gases under thermal and chemical nonequilibrium conditions: Application to earth atmospheric re-entry Radiative transfer in gases under thermal and chemical nonequilibrium conditions: Application to earth atmospheric re-entry](/preview/png/5430246.png)
چکیده انگلیسی
It is well known that the Kirchhoff's law, connecting emission to absorption through the Planck's function, is no more valid when the medium is not at local thermal and chemical equilibrium. The aim of the present paper is to analyze the effects of this nonequilibrium on radiative transfer, and in particular, for atmospheric air re-entry applications. A general formulation is proposed in the framework of multi-temperature description of the thermodynamic state of the gas mixture. Application of this model to simulate an earth re-entry experiment first leads to a reasonable agreement and then outlines important effects of chemical nonequilibrium, especially through bound-free transitions.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Quantitative Spectroscopy and Radiative Transfer - Volume 109, Issue 2, January 2008, Pages 235-244
Journal: Journal of Quantitative Spectroscopy and Radiative Transfer - Volume 109, Issue 2, January 2008, Pages 235-244
نویسندگان
Jean-Michel Lamet, Yacine Babou, Philippe Rivière, Marie-Yvonne Perrin, Anouar Soufiani,