Minsha Shah
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View article: Charge measurement diagnostics with improved SNR and bit utilization for electron plasma confined in a partial toroidal trap
Charge measurement diagnostics with improved SNR and bit utilization for electron plasma confined in a partial toroidal trap Open
The SMall Aspect Ratio Toroidal EXperiment in a C-shaped torus recently reported an unprecedented electron plasma confinement, τconfine, of >100s. Understanding the plasma transport mechanism is essential to validate the observed long c…
View article: Implementation of an Active Control of Multiple Gas Puff Pulses to Counteract Wall Loading in the Aditya Upgrade Tokamak
Implementation of an Active Control of Multiple Gas Puff Pulses to Counteract Wall Loading in the Aditya Upgrade Tokamak Open
View article: Plasma performance enhancement and impurity control using a novel technique of argon–hydrogen mixture fueled glow discharge wall conditioning in the ADITYA-U tokamak
Plasma performance enhancement and impurity control using a novel technique of argon–hydrogen mixture fueled glow discharge wall conditioning in the ADITYA-U tokamak Open
Effective control of impurities and precise regulation of the fueling gas are supreme prerequisites for optimal operation in any fusion device. Conventional wall-conditioning methods fall short of achieving optimal wall conditioning. Conve…
View article: The effect of impurity seeding on edge toroidal rotation in the ADITYA-U tokamak
The effect of impurity seeding on edge toroidal rotation in the ADITYA-U tokamak Open
Intrinsic toroidal rotation velocity ( V φ ) has been measured from the Doppler shift of C 5+ carbon spectral lines (at 529.05 nm) in the edge region of the ADITYA-U tokamak without any auxiliary torque input in an ohmically heated pure hy…
View article: Overview of physics results from the ADITYA-U tokamak and future experiments
Overview of physics results from the ADITYA-U tokamak and future experiments Open
The ADITYA upgrade (ADITYA-U), a medium-sized conventional tokamak facility in India, has been consistently producing experiments findings by using circular and shaped-plasmas. Recognizing the plasma parameters aligning…
View article: Micro-particle injection experiments in ADITYA-U tokamak using an inductively driven pellet injector
Micro-particle injection experiments in ADITYA-U tokamak using an inductively driven pellet injector Open
A first-of-its-kind, inductively driven micro-particle (Pellet) accelerator and injector have been developed and operated successfully in ADITYA-U circular plasma operations, which may ably address the critical need for a suitable disrupti…
View article: Unprecedented confinement time of electron plasmas with a purely toroidal magnetic field in SMARTEX-C
Unprecedented confinement time of electron plasmas with a purely toroidal magnetic field in SMARTEX-C Open
Confinement time of electron plasmas trapped using a purely toroidal magnetic field has been found to exceed $${100}\, \hbox {s}$$ in a small aspect ratio ( $$R_{o}/a \sim {1.59}$$ , $$R_o$$ and a are device major and min…
View article: Microcontroller Based High Voltage, High Speed Trigger Control Circuit for SMARTEX-C
Microcontroller Based High Voltage, High Speed Trigger Control Circuit for SMARTEX-C Open
Microcontroller based trigger control circuit for fast pulsing of electrode potentials on wide range of time scales has been designed, installed, and tested for electron plasma experiments which are carried out in partial toroidal trap SMa…
View article: Investigation of Recycling and Impurities Influxes in ADITYA-U Tokamak Plasmas
Investigation of Recycling and Impurities Influxes in ADITYA-U Tokamak Plasmas Open
Fuel particle and impurity influxes have been investigated for ADITYA-U tokamak plasma operated with toroidal belt limiter using PMT based spectroscopic diagnostic system installed on machine. The influxes of hydrogen and impurity ions are…
View article: Real-time feedback control system for ADITYA-U horizontal plasma position stabilisation
Real-time feedback control system for ADITYA-U horizontal plasma position stabilisation Open