英国物理学会
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作者:R.L. Tanna , J. Ghosh ...
来源:[J].Nuclear Fusion(IF 2.734), 2015, Vol.55 (6)IOP
摘要:This paper summarizes the results of recent dedicated experiments on disruption control and runaway mitigation carried out in ADITYA, which are of the utmost importance for the successful operation of large size tokamaks, such as ITER. It is quite a well-known fact that disr...
作者:R.L. Tanna , J. Ghosh ...
来源:[J].Nuclear Fusion(IF 2.734), 2017, Vol.57 (10)IOP
摘要:Several experiments, related to controlled thermonuclear fusion research and highly relevant for large size tokamaks, including ITER, have been carried out in ADITYA, an ohmically heated circular limiter tokamak. Repeatable plasma discharges of a maximum plasma current of ~1...
作者:R.L. Tanna , Harshita Raj ...
来源:[J].Nuclear Fusion(IF 2.734), 2019, Vol.59 (11)IOP
摘要:The first Indian tokamak, ADITYA, operated for over two decades with a circular poloidal limiter, has been upgraded to a tokamak named ADITYA Upgrade (ADITYA-U) to attain shaped-plasma operations with an open divertor in single and double-null configurations. Experimental re...
作者:R.L. Tanna , D. Raju ...
来源:[J].Nuclear Fusion(IF 2.734), 2014, Vol.54 (8)IOP
摘要:Disruptions, induced in Aditya tokamak by hydrogen gas puffing, are successfully mitigated through stabilization of magnetohydrodynamic (MHD) modes by applying a bias voltage to an electrode placed inside the last-closed flux surface prior to the gas injection. Above a thres...
作者:R.L. Tanna , A.J. Thornton
来源:[J].Nuclear Fusion(IF 2.734), 2015, Vol.55 (6)IOP
摘要:A multi-device database of disruption characteristics has been developed under the auspices of the International Tokamak Physics Activity magneto-hydrodynamics topical group. The purpose of this ITPA disruption database (IDDB) is to find the commonalities between the disruption a...
作者:R.L. Tanna , P.K. Chattopadhyay ...
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (7)IOP
摘要:Sawteeth oscillations are commonly observed in temporal profiles of temperatures in almost all tokamaks including ADITYA tokamak. In typical discharges of ADITYA, bursts of hard x-ray (HXR) due to interaction of runaway electrons (RE) with limiter, during sawteeth crash are regul...
作者:R.L. Tanna , D.P. Stotler
来源:[J].Nuclear Fusion(IF 2.734), 2019, Vol.59 (7)IOP
摘要:In order to understand the atomic and molecular processes involved in the emission of the hydrogen Balmer alpha (H) spectral line from tokamak plasmas, the measured radial profile of H emissivity in ADITYA tokamak discharges has been modeled using the DEGAS2 neutral particle...
作者:R.L. Tanna , K.S. Acharya ...
来源:[J].Nuclear Fusion(IF 2.734), 2019, Vol.59 (8)IOP
摘要:In the ADITYA Upgrade tokamak, glow discharge wall conditioning (GDC) is performed regularly during the high-temperature plasma operation cycle using hydrogen (H) and helium (He) gases. H GDC is carried out after long durations (few hours) of plasma operations on every plasm...
作者:R.L. Tanna , J. Ghosh
来源:[J].Nuclear Fusion(IF 2.734), 2019, Vol.59 (8)IOP
摘要:Iron (Fe) impurity behaviour in ADITYA tokamak plasma has been studied using Fe spectral line emissions in the vacuum ultra violet (VUV) wavelength range. A VUV survey spectrometer has been utilized to record spectral lines at 28.41 nm from Fe14+ , and 33.54 nm and 36.08 nm ...
作者:R.L. Tanna , D. Raju ...
来源:[J].Nuclear Fusion(IF 2.734), 2020, Vol.60 (3)IOP
摘要:The effect of a periodic train of short gas-puff pulses on the rotation frequency and amplitude of drift-tearing modes has been studied in ADITYA/ADITYA-U tokamak. The short gas puffs, injecting approximately molecules of fuel gas (hydrogen at one toroidal location, are found to ...

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