R. H. Chen
Marshall Space Flight Center
7 Papers
22 Citations
R. H. Chen is an academic researcher from Marshall Space Flight Center. The author has contributed to research in topics: Jovian & Divertor. The author has an hindex of 2, co-authored 2 publications.
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Papers
Electron precipitation and related aeronomy of the Jovian thermosphere and ionosphere
TL;DR: In this paper, a comprehensive theoretical model of both the auroral and nonauroral atmosphere and ionosphere of Jupiter is presented and used to study particle precipitation effects in the Jovian upper atmosphere, both at middle and high latitudes.
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Electron temperatures in the Jovian ionosphere
TL;DR: In this paper, the electron temperature profile of the Jovian ionosphere was calculated, taking into account the effects of thermal conduction and heat inflow from the plasmasphere.
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Various edge low-frequency fluctuations during transition to a detached divertor in Experimental Advanced Superconducting Tokamak
Gladys F. Ding,R. H. Chen,Yang Ye,G. S. Xu,X. Q. Wu,Q. Q. Yang,L. Yu,L.Y. Meng,Liang Wang,X. Lin,Pu Wang,H. Lan +11 more
TL;DR: In this article , three edge low-frequency fluctuations with distinct characteristics exist in different detached divertor states, and the basic features of these fluctuations, such as spectral width, location, mode number, propagating direction, and particle transport capacities, are examined.
Beam optics simulation of the ion injector for sodium Beam Emission Spectroscopy (Na-BES) on EAST
P. Wang,Guoze Hu,G.S. Xu,S. Zoletnik,G. Anda,Daniel Dunai,Y.B. Wang,Y.F. Wang,Ning Yan,Qiong Zhang,Q. Q. Yang,R. H. Chen,Liang Wang +12 more
TL;DR: In this article , a high-brightness and stable sodium ion source was developed, and the performance of Na ion beam optics was simulated by the COMSOL multiphysics. But the authors only evaluated the lifetime of the Na ion source, which was much longer than that of Li ion source.
Physical mechanisms for the transition from type-III to large ELMs induced by impurity injection on EAST
X. Lin,G.S. Xu,Q. Q. Yang,Ning Yan,Y.-F. Wang,Yang Ye,Pr Zhu,B. Cao,K.D. Li,R. H. Chen,L. Zhang,Qiong Zhang,Tao Zhang,Y.M. Wang,Guoze Hu,Y. Li,C. Zhou,Y.J. Chen,L.Y. Meng,X.D. Yang,Yanmin Duan,H. Liu,F. Ding,X. H. Chen,J. C. Xu,M.F. Wu,L. L. Wang,East Team +27 more
TL;DR: In this paper , a scan of pedestal density gradient in linear stability analysis shows that the direct destabilizing effect of steep pedestal densities on peeling-ballooning instabilities via two-fluid effects could also facilitate the transition to large ELMs.