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Title: Thermal analysis of slow wave structure for a space helix travelling wave tube
Authors: Alaria, Mukesh Kumar
Sinha, A K
Srivastava, V
Keywords: Helix slow-wave structure (SWS);Thermal analysis;Support rods;Base plate;Barrel;Traveling wave tube (TWT)
Issue Date: Dec-2010
Publisher: NISCAIR-CSIR, India
Abstract: Thermal analysis of the slow-wave structure for Ku-band 140 W helix space traveling wave tube (TWT) has been carried out using ANSYS software v.10.1. To evaluate the thermal aspects of the helix slow-wave structure with three APBN support rods and barrel assembly, the related studies of the slow-wave structure assembly with six, ten and sixteen turns of helix 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 been carried out. The CPU time on Pentium-4, window XP system with 512 MB RAM is 45 min for six turns, one hour for ten turns and one hour 45 min for sixteen turns of helix. The objective of this analysis is reduced the solution time and to get the same result with higher turns of helix
Page(s): 904-907
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.48(12) [December 2010]

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