Core momentum and particle transport in ASDEX Upgrade (AUG) have been examined in a wide variety of plasma discharges and via several different methods. Experiments were performed in which ECRH power was added to NBI heated H-modes causing the electron and impurity ion density profiles to peak and the core toroidal rotation to flatten. Turbulence calculations of these plasmas show a change in the dominant regime from ITG to TEM due to the ECRH induced changes in the electron and ion temperature profiles. The impurity and electron density behavior can be fully explained by the changes in the turbulent particle transport. Momentum transport analyses demonstrate that in the TEM regime there is a core localized, counter-current directed, residual stress momentum flux of the same order of magnitude as the applied NBI torque. The initial results from momentum modulation experiments performed on AUG confirm that the Prandtl number in AUG NBI heated H-modes is close to 1 and that there exists a significant inward momentum pinch. Lastly, an intrinsic toroidal rotation database has been developed at AUG which can be used to test theoretically predicted dependences of residual stress momentum fluxes. Initial results show a linear correlation between the gradient of the toroidal rotation and both the electron density gradient scale length and the frequency of the dominant turbulent mode.
ASDEX Upgrade（AUG）中的芯部动量和粒子输运已通过多种不同方法在多种等离子体放电中进行了研究。实验中，在NBI加热的H模中添加ECRH功率，导致电子和杂质离子密度分布峰化，芯部环向旋转分布变平。湍流计算表明，由于ECRH引起的电子和离子温度分布变化，主导湍流模式从ITG转变为TEM。电子和杂质密度行为可以通过湍流粒子输运的变化完全解释。动量输运分析表明，在TEM模式下，存在一个芯部局域化的、逆电流方向的残余应力动量通量，其量级与施加的NBI力矩相当。在AUG上进行的动量调制实验初步结果证实，在NBI加热的H模中，Prandtl数接近1，并且存在显著的向内动量箍缩。最后，在AUG上建立了一个环向旋转数据库，可用于检验残余应力动量通量的理论预测依赖性。初步结果显示，环向旋转梯度与电子密度梯度标长及主导湍流模式频率之间存在线性相关性。