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Investigation of self-generated magnetic ﬁeld and dynamics of a pulsed plasma ﬂow

Plasma Science and Technology 2022年第5期24卷 146-153页

作者： Aigerim TAZHEN merlan dosbolayev Tlekkabul RAMAZANOV Institute of Experimental and Theoretical Physics Al-Farabi Kazakh National UniversityAlmaty 050040Kazakhstan

Due to the growing interest in studying the compression and disruption of the plasma filament in magnetic fusion devices and Z-pinches, this work may be important for new developments in the field of controlled thermonuclear fusion. Recently, on a coaxial plasma accelerator, we managed to obtain the relatively long-lived(~300 μs) plasma filaments with its self-magnetic field. This was achieved after modification of the experimental setup by using high-capacitive and lowinductive energy storage capacitor banks, as well as electrical cables with low reactive impedance. Furthermore, we were able to avoid the reverse reflection of the plasma flux from the end of the plasma accelerator by installing a special plasma-absorbing target. Thus, these constructive changes of the experimental setup allowed us to investigate the physical properties of the plasma filament by using the comprehensive diagnostics including Rogowski coil,magnetic probes, and Faraday cup. As a result, such important plasma parameters as density of ions and temperature of electrons in plasma flux, time dependent plasma filament’s azimuthal magnetic field were measured in discharge gap and at a distance of 23.5 cm from the tip of the cathode. In addition, the current oscillograms and Ⅰ–Ⅴ characteristics of the plasma accelerator were obtained. In the experiments, we also observed the charge separation during the acceleration of plasma flow via oscillograms of electron and ion beam currents.

关键词： coaxial plasma accelerator pulsed plasmaﬂow self magneticﬁeld electron density electron temperature Faraday cup magnetic probe

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To Be Friendly Envoy of China-Kazakhstan Civilization

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China News Release 2024年第9期 61-63页

作者： Akniyazov Таmerlan the Sino-Kazakh Economic and Trade Institute at the Universit of International Business and Economics

My ‘Journey to the East’I was born in Sakhalin Island and grew up in the Zhetysu region in the southeast of Kazakhstan. After graduating from high school in 2007, I enrolled in a local university in Kazakhstan, intending to major in physics. However, one summer evening, my father came home from work with an enrollment brochure from China’s Tongji University in his hand. He approached me and asked,“Do you want to study abroad?” Longing for independence at an early age and eager to explore the outside world, I agreed without hesitation. Not long after, I was sitting on the train bound for Shanghai, China, starting my “Journey to the East.”

关键词： southeast outside starting

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