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IJRSP Vol.38(4) [August 2009] >


Title: Thermal analysis of coaxial coupler for a space helix TWT
Authors: Alaria, Mukesh Kumar
Sinha, A K
Srivastava, V
Keywords: Thermal analysis
Space helix travelling wave tube
Stress analysis
Ceramic window
RF transformer
Anisotropic Pyrolytically Boron Nitrate (APBN)
Issue Date: Aug-2009
Publisher: CSIR
PACS No.: 81.70.Pg; 84.40.Fe; 84.40.Ua
Abstract: Thermal and structural analysis of the coaxial coupler for Ku-band 140 W helix space TWT have been carried out using ANSYS software v.10.1 and discussed in the present paper. To evaluate thermal and structural aspects of the coaxial coupler and helix assembly with three APBN support rods, related studies of the coupler assembly with ten turn of helix and output wave guide coupler for the Ku-band 140 W space TWT during extreme case of operation, i.e. at saturation and with perfectly rigid base-plate at 80°C have also been carried out.
Page(s): 227-232
ISSN: 0975-105X (Online); 0367-8393 (Print)
Source:IJRSP Vol.38(4) [August 2009]

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