Institution: | 1. Department of Magnetohydrodynamics , Helmholtz-Zentrum Dresden-Rossendorf , P.O. Box 510119, D-01314 Dresden , Germany F.Stefani@hzdr.de;3. Institute of Thermal Science and Technology, Shandong University , P. O. Box 88, Jing Shi Road 73, Jinan City , Shandong Province , P. R. China;4. Department of Magnetohydrodynamics , Helmholtz-Zentrum Dresden-Rossendorf , P.O. Box 510119, D-01314 Dresden , Germany |