{"title":"Gasdynamic and Kinetic Stages of the Gas Z-Pinch","authors":"A. Yu. Frolov, V. V. Vikhrev, A. Yu. Chirkov","doi":"10.1134/S1063780X24601809","DOIUrl":null,"url":null,"abstract":"<p>A phenomenological gasdynamic model of the compression of the gas Z-pinch neck through whose ends the plasma flows out at a high velocity was considered. Calculations showed that in this process, conditions are created under which the relaxation of the ion plasma component is delayed compared to the macroscopic compression dynamics. Therefore, the description of the Z-pinches at their maximum compression stage has to account for the ion kinetics. This approach can explain the mechanism of the ion acceleration to high energies as well as the high intensity of the neutron radiation at the final stage of the neck compression.</p>","PeriodicalId":735,"journal":{"name":"Plasma Physics Reports","volume":"50 12","pages":"1549 - 1558"},"PeriodicalIF":0.9000,"publicationDate":"2025-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Plasma Physics Reports","FirstCategoryId":"101","ListUrlMain":"https://link.springer.com/article/10.1134/S1063780X24601809","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"PHYSICS, FLUIDS & PLASMAS","Score":null,"Total":0}
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Abstract
A phenomenological gasdynamic model of the compression of the gas Z-pinch neck through whose ends the plasma flows out at a high velocity was considered. Calculations showed that in this process, conditions are created under which the relaxation of the ion plasma component is delayed compared to the macroscopic compression dynamics. Therefore, the description of the Z-pinches at their maximum compression stage has to account for the ion kinetics. This approach can explain the mechanism of the ion acceleration to high energies as well as the high intensity of the neutron radiation at the final stage of the neck compression.
期刊介绍：
Plasma Physics Reports is a peer reviewed journal devoted to plasma physics. The journal covers the following topics: high-temperature plasma physics related to the problem of controlled nuclear fusion based on magnetic and inertial confinement; physics of cosmic plasma, including magnetosphere plasma, sun and stellar plasma, etc.; gas discharge plasma and plasma generated by laser and particle beams. The journal also publishes papers on such related topics as plasma electronics, generation of radiation in plasma, and plasma diagnostics. As well as other original communications, the journal publishes topical reviews and conference proceedings.
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