Siliconization is a normal method for the first-wall conditioning on the HT-7 toka-mak. After siliconization the total radiation loss is reduced significantly. Heat-diffusion coefficient the electron of is reduced obv...Siliconization is a normal method for the first-wall conditioning on the HT-7 toka-mak. After siliconization the total radiation loss is reduced significantly. Heat-diffusion coefficient the electron of is reduced obviously at the outer half radius (r/a > 0.5) after siliconization. And the plasma confinement is improved effectively. At the core of the plasma, electromagnetic drift-wave mode driven by the temperature gradient of electron gives a good representation of the experimental data not only before siliconization but also after siliconization. But at the outer half radius, the Parail's electromagnetic drift-wave even mode gives a good description of the experimental data before siliconization, and the experimental data of Xe is close to the collisionless electrostatic drift-wave mode turbulence after siliconization.展开更多
基金The project supported by the Meg-Science Engineering Project of the Chinese Academy of Sciences
文摘Siliconization is a normal method for the first-wall conditioning on the HT-7 toka-mak. After siliconization the total radiation loss is reduced significantly. Heat-diffusion coefficient the electron of is reduced obviously at the outer half radius (r/a > 0.5) after siliconization. And the plasma confinement is improved effectively. At the core of the plasma, electromagnetic drift-wave mode driven by the temperature gradient of electron gives a good representation of the experimental data not only before siliconization but also after siliconization. But at the outer half radius, the Parail's electromagnetic drift-wave even mode gives a good description of the experimental data before siliconization, and the experimental data of Xe is close to the collisionless electrostatic drift-wave mode turbulence after siliconization.
