R. N. Chandra

ORCID: 0000-0003-2725-9728
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About
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Research Areas
  • Magnetic confinement fusion research
  • Nuclear reactor physics and engineering
  • Ionosphere and magnetosphere dynamics
  • Atomic and Subatomic Physics Research
  • Superconducting Materials and Applications
  • Electrostatic Discharge in Electronics
  • Laser-Plasma Interactions and Diagnostics
  • Solar and Space Plasma Dynamics
  • Nuclear Physics and Applications
  • Semiconductor Lasers and Optical Devices
  • Gender and Women's Rights
  • Thermal Radiation and Cooling Technologies
  • Radiation Detection and Scintillator Technologies
  • Radiation Effects in Electronics
  • Optical Wireless Communication Technologies
  • Network Security and Intrusion Detection
  • Legal Studies and Policies
  • Structural Health Monitoring Techniques
  • Legal and Social Justice Studies
  • Acoustic Wave Resonator Technologies
  • Anomaly Detection Techniques and Applications
  • Advanced MRI Techniques and Applications
  • Geophysics and Gravity Measurements
  • Spectroscopy and Laser Applications
  • Laser-induced spectroscopy and plasma

Columbia University
2023-2025

American Institute of Aeronautics and Astronautics
2017-2018

University of Washington
2017-2018

Abstract The MANTA (Modular Adjustable Negative Triangularity ARC-class) design study investigated how negative-triangularity (NT) may be leveraged in a compact, fusion pilot plant (FPP) to take ‘power-handling first’ approach. result is pulsed, radiative, ELM-free tokamak that satisfies and exceeds the FPP requirements described 2021 National Academies of Sciences, Engineering, Medicine (NASEM) report ‘Bringing Fusion U.S. Grid’ (2021 Bringing Grid ). A self-consistent integrated modeling...

10.1088/1361-6587/ad6708 article EN cc-by Plasma Physics and Controlled Fusion 2024-07-24

The NIMROD code is used to perform simulations of MHD activity in the HBT-EP tokamak, including effect a resistive wall. Linear are conducted scan current and pressure profiles establish self-consistent baseline equilibria that result instabilities with low error between experimental diagnostics synthetic equivalents. A family such found relatively peaked profiles. Nonlinear performed using optimal equilibrium, which linearly unstable Resistive Wall Mode—stable ideal wall limit an Alfvénic...

10.1063/5.0241556 article EN cc-by Physics of Plasmas 2025-02-01

The HIT-SI3 experiment uses a set of inductively driven helicity injectors to apply non-axisymmetric current drive on the edge plasma, driving an axisymmetric spheromak equilibrium in central confinement volume. These perturbation that oscillates time, with relative temporal phasing modifying mode structure applied perturbation. A three experimental discharges different spectra are modelled using NIMROD extended magnetohydrodynamics code, and comparisons made both magnetic fluid...

10.1063/1.4997944 article EN Physics of Plasmas 2017-12-01

The High Beta Tokamak-Extended Pulse has recently incorporated a tangential multi-energy extreme ultraviolet and soft x-ray diagnostic system. This system enables measurements of the electron temperature examination mode dynamics within tokamak. While other systems have been built for poloidal views over similar ranges, this is first tangential-view designed to work in range below 200 eV To facilitate these measurements, filter wheel comprising five distinct groups dual-filters developed...

10.1063/5.0153115 article EN Review of Scientific Instruments 2023-10-01

Penelitian ini membahas tradisi Barambangan sebagai pencegahan tindak kekerasan terhadap perempuan dengan perspektif HAM. merupakan sebuah di dalam masyarakat Banjar yang muncul sejak kepemimpinan Sultan Adam Raja Kesultanan Banjar. Tradisi suatu keadaan antara suami istri telah mengalami kerenggangan hubungan rumah tangga, sehingga mereka memerlukan waktu jeda untuk menentukan pilihan tetap bersatu atau bercerai. Metode penelitian digunakan adalah hukum normatif, mengumpulkan bahan...

10.56489/fik.v4i1.55 article ID FIKRUNA Jurnal Ilmiah Kependidikan dan Kemasyarakatan 2022-02-11

An ion Doppler spectrometer diagnostic system measuring impurity temperature and velocity on the HIT-SI HIT-SI3 spheromak devices has been improved with higher spatiotemporal resolution lower error than previously described devices. Hardware software improvements to established technique have resulted in a record of 6.9 μs temporal ≤2.8 cm spatial midplane each device. These allow Ciii Oii flow, displacement, profiles be observed simultaneously. With 72 fused-silica fiber channels two...

10.1063/1.4990432 article EN publisher-specific-oa Review of Scientific Instruments 2018-03-01
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