HL-1装置在OH和LHCD的反常多卜勒不稳定性

在HL-1托卡马克装置上,采用不同频率的微波外差接收机测量欧姆放电下和低混杂波驱动下的非热辐射。文章描述了在欧姆放电下,由磁化等离子体波辐射,相对论电子的契伦柯夫辐射,以及非麦氏分布电子的回旋辐射(ECE)所表现出的反常多卜勒不稳定性特征,即主要表现为磁化等离子体波扰动,以及契伦柯夫辐射迅速下降所对应的ECE增加。这种不稳定性是由于电子分布各向异性所引起的,在低混杂波驱动下不稳定性受到抑制,同     

HL-2A Tokamak Edge Modeling with B2

The outer divertor plasma of HL-2A and its associated scrape-off plasma have been simulated using a two-dimensional multi-species fluid code of Braams with a simplified neutral gas model. HL-2A has a double-null closed divertor in separate divertor chambers above and below the nearly circular plasma tours. The computed numerical grid is developed according to an ideal magnetic surface. The calculation is involved only with pure hydrogen plasma. The emphasis has been focused on parametric studies involving variation of the assumptions made for the core plasma. The peak temperatures and the heat flux near the target are of the principal concern。     

Investigation of Edge Plasma Features in the HL-IM Tokamak

1.IntroductionInordertooptimizetokamakandachievehighperformanceplasmasuchashighcentraldensityandtemperature,goodcoreconfinementetc.,thesimultaneouscontroloftheedgeplasmaandcentraloneiscrucial.Therefore,themeasurementandcontroloftheedgeplajsmaparametersareverysignificanttocentralplasma.EdgeparameterssuchaStheedgedensity,temperatureandspacepotentialareusuallymeasuredbyusingLangmuirprobes.Duetotheprobemeasurementwithhightemporalandspa-tialresolution[1],itcanalsobeusedtoinvestigatetheirfluctuatio…     

HL—1M的原位处理技术

介绍 Ｈ Ｌ－ １ Ｍ 托卡马克装置的壁处理技术。使用氦辉光放电清洗清除装置杂质和降低壁中氢含量,壁硼化和硅化技术以及原位沉积膜的原位清除。     

Measurement of the Plasma Rotation Velocity by Using Visible Spectrum on HL-1M Mokamak

1. IntroductionThe mechanism of the plasma impurity transportand L-H,mode transition is presently regarded asone of the most urgent problems under investigation.The L-H mode transition is related with the plasmapoloidal rotation and the distribution of the internalradial electric field [l].The plasma toroidal rotationcaused by neutral beam injection has already beenobserx'ed and studied in the PLT TOkamak [2], andthe results of the D Ill -D show that during L-H modetransition the change …     

HL—1M装置内壁锂化实验进展

针对聚变装置在聚变研究中的器壁原位处理问题,详细地描述了HL-1M装置原位锂化技术和锂涂层性能及其锂化效果,并探讨了锂化机理.指出了这种锂化工艺存在的缺陷.     

HL-1M装置边缘扰动和流速的实验研究

利用一组马赫探针研究HL-1M装置刮离层和边缘等离子体流在欧姆放电、壁硼化、偏压抽气孔栏、偏压电极、低混杂波电流驱动、电子回旋共振加热、弹丸注入、分子束注入、激光吹气和补充送气等情况下的平行流马赫数、离子饱和电流扰动、平行流速度剪切和极向流速度的分布。实验中发现局部等离子体电位快速变化，改变了电场分布，改变了边缘等离子体的流速和方向。从而改善了等离子体约束性能。     

Compound Sawteeth and Analysis of Reversed Shear in HL-1M

1.IntroductionUsually,thesawtoothactivityissignificantlyaffectedbylocalizedchangesofplasmaparameters,particularlycurrentandtemperatureprofiles.Asinglesawtooth,forexample,canbesubstitutedbyacompoundsawtoothascurrentprofileevolvesasahollowedform,i.e.twoq=lsurfaces(whereqissafetyfactor)presentintheplasmacoreregion.Becausethecurrentprofilemaintainsthecharacteristicpo'akedshapeundertheconditionOfsinglesawtooth,thecompoundsawteethusuallystartasthetwoq=1surfaCesappear.Duringtherampofsawtooththecurre…     

宝钢三期二炼钢工程简介

对宝钢三期二炼钢工程建设的主要特点和主要内容，所采用诸多的当今国内外顶新的技术及装备水平等综合概况了简介 。     

HL-1M装置器壁锻炼

HL-1M装置运行的7年中，系统地研究了器壁原位清洗、原位硼化、硅化、锂化和锂-硅复合处理以及涂层的原位清除技术。由于原位硅化具有稳定、良好的杂质和再循环控制能力，使其成为HL-1M装置进行改善等离子体约束实验必不可少的壁处理手段。锂-硅复合壁具有锂壁的低杂质、低氢再循环和低辐射能量，又具有硅化壁长寿命的特点，是目前最佳的壁处理手段。He-GDC取代了H2-TDC，在器壁原位清洗、器壁原位处理和涂层原位清除中扮演了重要角色。