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作者:P.K. Chattopadhyay , R.L. Tanna ...
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:P.K. Chattopadhyay , Pravesh Dhyani ...
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:P.K. Chattopadhyay , Harshita Raj ...
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:P.K. Chattopadhyay , D. Raju ...
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:P.K. Chattopadhyay , M.N. Makawana ...
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:P.K. Chattopadhyay , Abhijit Sen ...
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 ...
作者:P.K. Chattopadhyay , R. Jha ...
来源:[J].Nuclear Fusion(IF 2.734), 2013, Vol.53 (2)IOP
摘要:Intense visible lines from Be-like oxygen impurity are routinely observed in the Aditya tokamak. The spatial profile of brightness of a Be-like oxygen spectral line (2p3p 3D3–2p3d 3F4) at 650.024 nm is used to investigate oxygen im...

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