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Other IDs

ResearcherID: H-2620-2013

Keywords

Nuclear Fusion, Stellarator, Reversed Field Pinch, Diagnostic, Radial Electric Field, Impurity Transport, Flows

Countries

United States, Australia, India

Activities

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Employment (4)

Thea Energy, Inc. (United States): Kearny Point, US

2023 to present
Employment
Source: Self-asserted source
Santhosh Kumar

University of Wisconsin-Madison: Madison, WI, US

2012 to 2023 | Scientist (Department of Electrical & Computer Engineering)
Employment
Source: Self-asserted source
Santhosh Kumar

University of Wisconsin Madison: Madison, WI, US

2008 to 2012 | Post Doctoral Research Associate (Department of Physics)
Employment
Source: Self-asserted source
Santhosh Kumar

Institute for Plasma Research: Gandhinagar, Gujarat, IN

1993 to 2003 | Scientific Assistant
Employment
Source: Self-asserted source
Santhosh Kumar

Education and qualifications (2)

Australian National University: Canberra, ACT, AU

2003 to 2008 | PhD (Research School of Physical Sciences and Engineering)
Education
Source: Self-asserted source
Santhosh Kumar

University of Pune: Pune, IN

2000 to 2003 | Masters (Physics)
Education
Source: Self-asserted source
Santhosh Kumar

Professional activities (3)

Plasma Science Soceity of India: Gandhinagar, IN

Life
Membership
Source: Self-asserted source
Santhosh Kumar

American Physical Society: College Park, MD, US

Membership
Source: Self-asserted source
Santhosh Kumar

National Institute for Fusion Science: Toki, JP

2019-11-11 to 2019-12-20 | Visiting Associate Professor
Invited position
Source: Self-asserted source
Santhosh Kumar

Works (31)

The scoping, design, and plasma physics optimization of the Eos neutron source stellarator

Nuclear Fusion
2025-02-01 | Journal article
DOI: 10.1088/1741-4326/ada56a
Contributors: C.P.S. Swanson; D.A. Gates; S.T.A. Kumar; M.F. Martin; T.G. Kruger; D.W. Dudt; P.J. Bonofiglo
Source: check_circle
Crossref

Optimizing the HSX stellarator for microinstability by coil-current adjustments

Nuclear Fusion
2023-05-01 | Journal article
DOI: 10.1088/1741-4326/acc1f6
Contributors: M.J. Gerard; B. Geiger; M.J. Pueschel; A. Bader; C.C. Hegna; B.J. Faber; P.W. Terry; S.T.A. Kumar; J.C. Schmitt
Source: check_circle
Crossref

Parallel flow driven by electron cyclotron heating in the helically symmetric experiment

Nuclear Fusion
2022-06-01 | Journal article
DOI: 10.1088/1741-4326/ac61bb
Contributors: Y. Yamamoto; S. Murakami; C.C. Chang; S.T.A. Kumar; J.N. Talmadge; K.M. Likin; D.T. Anderson
Source: check_circle
Crossref

Development of beam emission spectroscopy in the helically symmetric experiment stellarator

Review of Scientific Instruments
2021-06-01 | Journal article
DOI: 10.1063/5.0043596
Part of ISSN: 0034-6748
Part of ISSN: 1089-7623
Source: Self-asserted source
Santhosh Kumar

Estimation of the <i>j </i>× <i>B </i>Force Produced by Electron Cyclotron Heating in HSX Plasma

Plasma and Fusion Research
2019-07-11 | Journal article
DOI: 10.1585/pfr.14.3403105
Part of ISSN: 1880-6821
Source: Self-asserted source
Santhosh Kumar

The role of neutral friction in governing parallel flows in the HSX stellarator

Nuclear Fusion
2019-04-01 | Journal article
DOI: 10.1088/1741-4326/aaff9f
Part of ISSN: 0029-5515
Part of ISSN: 1741-4326
Source: Self-asserted source
Santhosh Kumar
grade
Preferred source (of 2)‎

Radial electric field and ion parallel flow in the quasi-symmetric and Mirror configurations of HSX

Plasma Physics and Controlled Fusion
2018-05-01 | Journal article
DOI: 10.1088/1361-6587/aab4c7
Contributors: S T A Kumar; T J Dobbins; J N Talmadge; R S Wilcox; D T Anderson
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Determination of radial electric field from Pfirsch-Schluter flows in the HSX stellarator

Nuclear Fusion
2017 | Journal article
DOI: 10.1088/1741-4326/aa52a2
WOSUID:

WOS:000395672400004
Source: Self-asserted source
Santhosh Kumar
grade
Preferred source (of 2)‎

A synthetic diagnostic for beam emission spectroscopy in the helically symmetric experiment stellarator

Review of Scientific Instruments
2016 | Journal article
DOI: 10.1063/1.4960068
WOSUID:

WOS:000390242300018
Contributors: Dobbins, T. J.; Kumar, S. T. A.; Anderson, D. T.
Source: Self-asserted source
Santhosh Kumar via ResearcherID

Sensitivity of MSE measurements on the beam atomic level population

Review of Scientific Instruments
2016 | Journal article
DOI: 10.1063/1.4959914
WOSUID:

WOS:000390242300294
Contributors: Ruiz, C.; Kumar, S. T. A.; Anderson, F. S. B.; Anderson, D. T.
Source: Self-asserted source
Santhosh Kumar via ResearcherID

Physics and optimization of plasma startup in the RFP

Nuclear Fusion
2015 | Journal article
DOI: 10.1088/0029-5515/55/5/053004
WOSUID:

WOS:000353546700005
Contributors: Mao, W.; Chapman, B. E.; Ding, W. X.; Lin, L.; Almagri, A. F.; Anderson, J. K.; Den Hartog, D. J.; Duff, J.; Ko, J.; Kumar, S. T. A. et al.
Source: Self-asserted source
Santhosh Kumar via ResearcherID

Impurity transport studies in the Madison Symmetric Torus reversed-field pinch during standard and pulsed poloidal current drive regimes

Plasma Physics and Controlled Fusion
2014 | Journal article
DOI: 10.1088/0741-3335/56/7/075012
WOSUID:

INSPEC:14331234
Contributors: Barbui, T.; Carraro, L.; Den Hartog, D.J.; Kumar, S.T.A.; Nornberg, M.
Source: Self-asserted source
Santhosh Kumar via ResearcherID

Statistical analysis of variations in impurity ion heating at reconnection events in the Madison Symmetric Torus

Physics of Plasmas
2014 | Journal article
DOI: 10.1063/1.4861254
WOSUID:

WOS:000331638600035
Contributors: Cartolano, M. S.; Craig, D.; Den Hartog, D. J.; Kumar, S. T. A.; Nornberg, M. D.
Source: Self-asserted source
Santhosh Kumar via ResearcherID

Charge-to-mass-ratio-dependent ion heating during magnetic reconnection in the MST RFP

Physics of Plasmas
2013 | Journal article
DOI: 10.1063/1.4804958
WOSUID:

INSPEC:13538146
Contributors: Kumar, S. T. A.; Almagri, A. F.; Craig, D.; Den Hartog, D. J.; Nornberg, M. D.; Sarff, J. S.; Terry, P. W.
Source: Self-asserted source
Santhosh Kumar via ResearcherID

Overview of results from the MST reversed field pinch experiment

Nuclear Fusion
2013 | Journal article
DOI: 10.1088/0029-5515/53/10/104017
WOSUID:

WOS:000325005600018
Contributors: Sarff, J. S.; Almagri, A. F.; Anderson, J. K.; Borchardt, M.; Carmody, D.; Caspary, K.; Chapman, B. E.; Den Hartog, D. J.; Duff, J.; Eilerman, S. et al.
Source: Self-asserted source
Santhosh Kumar via ResearcherID

A SIMPLE TECHNIQUE FOR INCREASING THE TEMPERATURE RANGE OF A CRYOGENIC FROZEN-GAS PELLET INJECTOR FOR OPERATION WITH VARIOUS GASES

Fusion Science and Technology
2012 | Journal article
WOSUID:

WOS:000311011200001
Contributors: Caspary, K. J.; Chapman, B. E.; Oliva, S. P.; Kumar, S. T. A.
Source: Self-asserted source
Santhosh Kumar via ResearcherID

Classical confinement and outward convection of impurity ions in the MST RFP

Physics of Plasmas
2012 | Journal article
DOI: 10.1063/1.4718310
WOSUID:

WOS:000304831100081
Contributors: Kumar, S. T. A.; Den Hartog, D. J.; Mirnov, V. V.; Caspary, K. J.; Magee, R. M.; Brower, D. L.; Chapman, B. E.; Craig, D.; Ding, W. X.; Eilerman, S. et al.
Source: Self-asserted source
Santhosh Kumar via ResearcherID

Classical Impurity Ion Confinement in a Toroidal Magnetized Fusion Plasma

Physical Review Letters
2012 | Journal article
DOI: 10.1103/PhysRevLett.108.125006
WOSUID:

WOS:000301853800004
Contributors: Kumar, S. T. A.; Den Hartog, D. J.; Caspary, K. J.; Magee, R. M.; Mirnov, V. V.; Chapman, B. E.; Craig, D.; Fiksel, G.; Sarff, J. S.
Source: Self-asserted source
Santhosh Kumar via ResearcherID

High resolution charge-exchange spectroscopic measurements of aluminum impurity ions in a high temperature plasma

Plasma Physics and Controlled Fusion
2012 | Journal article
DOI: 10.1088/0741-3335/54/1/012002
WOSUID:

WOS:000299308800003
Contributors: Kumar, S. T. A.; Den Hartog, D. J.; Chapman, B. E.; O'Mullane, M.; Nornberg, M.; Craig, D.; Eilerman, S.; Fiksel, G.; Parke, E.; Reusch, J.
Source: Self-asserted source
Santhosh Kumar via ResearcherID

High-performance double-filter soft x-ray diagnostic for measurement of electron temperature structure and dynamics

The Review of scientific instruments
2012 | Journal article
DOI: 10.1063/1.4740274
WOSUID:

MEDLINE:23126950
Contributors: McGarry, M. B.; Franz, P.; Den Hartog, D. J.; Goetz, J. A.; Thomas, M. A.; Reyfman, M.; Kumar, S. T. A.
Source: Self-asserted source
Santhosh Kumar via ResearcherID

Anisotropic Ion Heating and Tail Generation during Tearing Mode Magnetic Reconnection in a High-Temperature Plasma

Physical Review Letters
2011 | Journal article
DOI: 10.1103/PhysRevLett.107.065005
WOSUID:

WOS:000293562700006
Contributors: Magee, R. M.; Den Hartog, D. J.; Kumar, S. T. A.; Almagri, A. F.; Chapman, B. E.; Fiksel, G.; Mirnov, V. V.; Mezonlin, E. D.; Titus, J. B.
Source: Self-asserted source
Santhosh Kumar via ResearcherID

Behaviour of carbon and boron impurities in the Madison Symmetric Torus

Plasma Physics and Controlled Fusion
2011 | Journal article
DOI: 10.1088/0741-3335/53/3/032001
WOSUID:

WOS:000287651600001
Contributors: Kumar, S. T. A.; Den Hartog, D. J.; Magee, R. M.; Fiksel, G.; Craig, D.
Source: Self-asserted source
Santhosh Kumar via ResearcherID

Spontaneous transition of core radial electric field driven by magnetic islands in the H-1NF heliac

Nuclear Fusion
2011 | Journal article
DOI: 10.1088/0029-5515/51/8/083003
WOSUID:

WOS:000294729400004
Contributors: Kumar, S. T. A.; Blackwell, B. D.; Howard, J.; Harris, J. H.
Source: Self-asserted source
Santhosh Kumar via ResearcherID

Core magnetic islands and plasma confinement in the H-1NF heliac

Physics of Plasmas
2010 | Journal article
DOI: 10.1063/1.3474946
WOSUID:

WOS:000281906300032
Contributors: Kumar, Santhosh T. A.; Blackwell, Boyd D.; Howard, John; Harris, Jeffrey H.
Source: Self-asserted source
Santhosh Kumar via ResearcherID

Generation and confinement of hot ions and electrons in a reversed-field pinch plasma

Plasma Physics and Controlled Fusion
2010 | Journal article
DOI: 10.1088/0741-3335/52/12/124048
WOSUID:

WOS:000286181100049
Contributors: Chapman, B. E.; Almagri, A. F.; Anderson, J. K.; Brower, D. L.; Caspary, K. J.; Clayton, D. J.; Craig, D.; Den Hartog, D. J.; Ding, W. X.; Ennis, D. A. et al.
Source: Self-asserted source
Santhosh Kumar via ResearcherID

Toroidal charge exchange recombination spectroscopy measurements on MST

Review of Scientific Instruments
2010 | Journal article
DOI: 10.1063/1.3478665
WOSUID:

WOS:000283754000095
Contributors: Magee, R. M.; Den Hartog, D. J.; Fiksel, G.; Kumar, S. T. A.; Craig, D.
Source: Self-asserted source
Santhosh Kumar via ResearcherID

Determination of error field sources by accurate mapping of the magnetic geometry of the H-1 heliac

Nuclear Fusion
2009 | Journal article
DOI: 10.1088/0029-5515/49/3/035001
WOSUID:

WOS:000263186400002
Contributors: Kumar, Santhosh T. A.; Blackwell, Boyd D.; Harris, Jeffrey H.
Source: Self-asserted source
Santhosh Kumar via ResearcherID

Wire tomography in the H-1NF heliac for investigation of fine structure of magnetic islands

The Review of scientific instruments
2007 | Journal article
DOI: 10.1063/1.2424453
WOSUID:

MEDLINE:17503917
Contributors: Kumar, Santhosh T. A.; Blackwell, Boyd D.; Harris, Jeffrey H.
Source: Self-asserted source
Santhosh Kumar via ResearcherID

Three view electronically scanned interferometer for plasma electron density measurements on the H-1 heliac

Review of Scientific Instruments
2006 | Journal article
DOI: 10.1063/1.2218839
WOSUID:

WOS:000241722800140
Contributors: Oliver, David; Howard, John; Kumar, Santhosh T. A.; Pretty, D. G.; Blackwell, B. D.
Source: Self-asserted source
Santhosh Kumar via ResearcherID

Trapped electron effects in a magnetic filter field of the plasma source

Physics of Plasmas
2004 | Journal article
DOI: 10.1063/1.1669391
WOSUID:

WOS:000221084400065
Contributors: Kumar, T. A. S.; Mattoo, S. K.; Jha, R.
Source: Self-asserted source
Santhosh Kumar via ResearcherID

Plasma diffusion across inhomogeneous magnetic fields

Physics of Plasmas
2002 | Journal article
DOI: 10.1063/1.1483074
WOSUID:

WOS:000176316000012
Contributors: Kumar, T. A. S.; Mattoo, S. K.; Jha, R.
Source: Self-asserted source
Santhosh Kumar via ResearcherID
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