NUMERICAL SIMULATION OF MAGNETRON INJECTION GUN FOR 1MW 120 GHZ GYROTRON | Zendy

Udaybir Singh | Zendy; Nitin Kumar | Zendy; Narendra Kumar | Zendy; Sakshi Tandon | Zendy; Hasina Khatun | Zendy; L.P. Purohit | Zendy; A. K. Sinha | Zendy

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NUMERICAL SIMULATION OF MAGNETRON INJECTION GUN FOR 1MW 120 GHZ GYROTRON

Author(s) -

Udaybir Singh,

Nitin Kumar,

Narendra Kumar,

Sakshi Tandon,

Hasina Khatun,

L.P. Purohit,

A. K. Sinha

Publication year - 2010

Publication title -

progress in electromagnetics research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.245

H-Index - 33

ISSN - 1937-6480

DOI - 10.2528/pierl10031503

Subject(s) - gyrotron , cavity magnetron , materials science , engineering , physics , automotive engineering , power (physics) , nanotechnology , thin film , quantum mechanics , sputtering

A 40A triode-type magnetron injection gun for a 1MW, 120GHz gyrotron has been designed. The preliminary design has been obtained by using some trade-ofi equations. Computer simulation has been performed by using the commercially available code EGUN and the in-house developed code MIGANS. The operating voltages of the modulating anode and the accelerating anode are 60kV and 80kV, respectively. The electron beam with a low transverse velocity spread (-fl?max = 3:3%) and velocity ratio, fi = 1:38 at beam current = 40A is obtained. The simulated results of the MIG obtained with the EGUN code have been validated with another trajectory code TRAK. The results on the design output parameters obtained by these two codes were found to be in close agreement. The sensitivity study has been carried out by changing the difierent gun parameters to decide the fabrication tolerance.

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