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Impact of Magnetic Field Configuration on Heat Transport in Stellarators and Heliotrons
Physical Review Letters ( IF 8.1 ) Pub Date : 2021-11-24 , DOI: 10.1103/physrevlett.127.225001 Felix Warmer 1 , K Tanaka 2, 3 , P Xanthopoulos 1 , M Nunami 2, 4, 5 , M Nakata 2, 4 , C D Beidler 1 , S A Bozhenkov 1 , M N A Beurskens 1 , K J Brunner 1 , O P Ford 1 , G Fuchert 1 , H Funaba 2 , J Geiger 1 , D Gradic 1 , K Ida 2, 4 , H Igami 2 , S Kubo 2, 5 , A Langenberg 1 , H P Laqua 1 , S Lazerson 1 , T Morisaki 2, 4 , M Osakabe 2, 4 , N Pablant 6 , E Pasch 1 , B Peterson 2 , S Satake 2, 4 , R Seki 2, 4 , T Shimozuma 2 , H M Smith 1 , T Stange 1 , A V Stechow 1 , H Sugama 2, 4 , Y Suzuki 2, 4 , H Takahashi 2, 4 , T Tokuzawa 2, 4 , T Tsujimura 2, 4 , Y Turkin 1 , R C Wolf 1 , I Yamada 2 , R Yanai 2 , R Yasuhara 2, 4 , M Yokoyama 2, 4 , Y Yoshimura 2 , M Yoshinuma 2, 4 , D Zhang 1 , W-X Team 1 , Lhd Experimental Group 2
Physical Review Letters ( IF 8.1 ) Pub Date : 2021-11-24 , DOI: 10.1103/physrevlett.127.225001 Felix Warmer 1 , K Tanaka 2, 3 , P Xanthopoulos 1 , M Nunami 2, 4, 5 , M Nakata 2, 4 , C D Beidler 1 , S A Bozhenkov 1 , M N A Beurskens 1 , K J Brunner 1 , O P Ford 1 , G Fuchert 1 , H Funaba 2 , J Geiger 1 , D Gradic 1 , K Ida 2, 4 , H Igami 2 , S Kubo 2, 5 , A Langenberg 1 , H P Laqua 1 , S Lazerson 1 , T Morisaki 2, 4 , M Osakabe 2, 4 , N Pablant 6 , E Pasch 1 , B Peterson 2 , S Satake 2, 4 , R Seki 2, 4 , T Shimozuma 2 , H M Smith 1 , T Stange 1 , A V Stechow 1 , H Sugama 2, 4 , Y Suzuki 2, 4 , H Takahashi 2, 4 , T Tokuzawa 2, 4 , T Tsujimura 2, 4 , Y Turkin 1 , R C Wolf 1 , I Yamada 2 , R Yanai 2 , R Yasuhara 2, 4 , M Yokoyama 2, 4 , Y Yoshimura 2 , M Yoshinuma 2, 4 , D Zhang 1 , W-X Team 1 , Lhd Experimental Group 2
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We assess the magnetic field configuration in modern fusion devices by comparing experiments with the same heating power, between a stellarator and a heliotron. The key role of turbulence is evident in the optimized stellarator, while neoclassical processes largely determine the transport in the heliotron device. Gyrokinetic simulations elucidate the underlying mechanisms promoting stronger ion scale turbulence in the stellarator. Similar plasma performances in these experiments suggests that neoclassical and turbulent transport should both be optimized in next step reactor designs.
中文翻译：
磁场配置对仿星器和日光加速器中热传输的影响
我们通过比较仿星器和日光加速器之间具有相同加热功率的实验来评估现代聚变装置中的磁场配置。湍流的关键作用在优化的仿星器中很明显，而新古典过程在很大程度上决定了日光加速器装置中的传输。陀螺动力学模拟阐明了促进仿星器中更强离子尺度湍流的潜在机制。这些实验中类似的等离子体性能表明，新古典和湍流输运都应在下一步反应器设计中进行优化。
更新日期：2021-11-24
中文翻译：
磁场配置对仿星器和日光加速器中热传输的影响
我们通过比较仿星器和日光加速器之间具有相同加热功率的实验来评估现代聚变装置中的磁场配置。湍流的关键作用在优化的仿星器中很明显，而新古典过程在很大程度上决定了日光加速器装置中的传输。陀螺动力学模拟阐明了促进仿星器中更强离子尺度湍流的潜在机制。这些实验中类似的等离子体性能表明，新古典和湍流输运都应在下一步反应器设计中进行优化。
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