Spatial Distribution of Energy Flow in a Tandem Mirror Plasma.

我们在1996学年的成果总结如下。[1]诊断创新：我们建立了一个通用的方案，用于光学确定放置在不同于红外相机的大气中的灰色材料的正确温度，该方案隐含地要求环境温度等于相机的温度。新方案导致面向等离子体的灰色物体的真实温度，其红外图像通过几个光学元件传输到相机，显示出明显受发射率、反射率和组件透射率影响的温度分布，从而在不进行校正的情况下获得错误的结果。这一成果发表在Rev.Science Instrum上。(1997).[2]实验结果：(1)观察到径向能量通量主要到达离等离子体边缘最近的线圈壁。结果表明，径向通量是由在镜场中轴向快速反弹的电子携带的，并在穿过共振层时受到热波的径向激发。(2)等离子体能量的径向通量和轴向通量几乎都与塞子中的加热功率成正比增加。这一观察结果表明，等离子体中势能的形成机制与电子在热波作用下的三维输运密切相关。

Our achievement in the academic year of 1996 is summarized as follows.[1] Diagnostic innovation :We have established a generalized scheme for optically determining the correct temperature of gray materials placed in atmospheres different from that of an infra-red camera which implicitly requires that the ambient temperatures are equal to that of the camera.The new scheme leads to the true temperature of the plasma-facing gray objects whose infra-red images are transferred through several optical components to the camera that displays an apparent temperature distribution strongly affected by emissivities, reflectivities, and transmittances of the components so that erronious results are obtained without the correction.This achievement is published in Rev.Sci.Instrum. (1997).[2] Experimental findings :(1) The radial energy flux is observed to reach dominantly to the coil wall that is the nearest to the plasma edge. It indicates that the radial flux is carried by electrons bouncing fast axially in the mirror field and kicked radially by a heating wave when passing through the resonance layr.(2) Both the radial flux and the axial flux of the plasma energy increase almost proportionally to the heating power in the plug. This observation indicates that the mechanism of potential formation in the plasma is closely linked with the 3-dimensional transport of electrons under heating waves.