Non-thermal fluctuations in plasma density near the temperature minimum of the solar atmosphere
We consider the formation of plasma-density fluctuations by non-thermal motions of gas near the temperature minimum of the solar atmosphere. For the inertial wavenumber range of turbulent velocity field of gas, an analytic expression for the one-dimensional (1D) spectrum of the fluctuations is obtai...
Збережено в:
| Дата: | 2005 |
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| Автор: | |
| Формат: | Стаття |
| Мова: | English |
| Опубліковано: |
Головна астрономічна обсерваторія НАН України
2005
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| Назва видання: | Кинематика и физика небесных тел |
| Теми: | |
| Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/79639 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Non-thermal fluctuations in plasma density near the temperature minimum of the solar atmosphere / Yu.V. Kyzyurov // Кинематика и физика небесных тел. — 2005. — Т. 21, № 5-додаток. — С. 183-186. — Бібліогр.: 10 назв. — англ. |
Репозитарії
Digital Library of Periodicals of National Academy of Sciences of Ukraine| Резюме: | We consider the formation of plasma-density fluctuations by non-thermal motions of gas near the temperature minimum of the solar atmosphere. For the inertial wavenumber range of turbulent velocity field of gas, an analytic expression for the one-dimensional (1D) spectrum of the fluctuations is obtained. This expression is used to predict the shape of the 1D horizontal spectrum of the fluctuations under three values of magnetic field strength: 5, 50, and 250 G. Also, estimates of the rms level of the fluctuations are made. It is shown that the increase in magnetic field has to alter the shape of the horizontal spectrum and to increase the level of the plasma-density fluctuations. |
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