Heating the particles of coal dust plasma microwave discharge
The article presents the physical and mathematical model of heating coal dust particles microwave discharge plasma at atmospheric pressure in a stream of carbon aerosol. Calculation of the temperature of the coal particles, depending on the time when it moves together with the gas medium is reduced...
Збережено в:
| Дата: | 2014 |
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| Автори: | , |
| Формат: | Стаття |
| Мова: | Russian |
| Опубліковано: |
Journal of Mechanical Engineering
2014
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| Теми: | |
| Онлайн доступ: | https://journals.uran.ua/jme/article/view/27176 |
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| Назва журналу: | Journal of Mechanical Engineering |
Репозитарії
Journal of Mechanical Engineering| Резюме: | The article presents the physical and mathematical model of heating coal dust particles microwave discharge plasma at atmospheric pressure in a stream of carbon aerosol. Calculation of the temperature of the coal particles, depending on the time when it moves together with the gas medium is reduced to the solution of the Cauchy problem for an ordinary differential equation modeling the process of heating a coal particle. To calculate the temperature distribution in the microwave discharge plasma used transient heat conduction equation with internal heat sources. It was believed that the source is only Joule heating; convection and thermal conductivity are considered drains energy in the equation is also not taken into account in the amount of energy release due to viscous friction forces, as well as due to compression and expansion volume. The results of numerical studies of the air temperature and the coal particles in the discharge volume in relation to the experimental plasma-coal burner. |
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