NDLI: On the influence of the welding process on electronic performance of planar slotted waveguide antennas

Content Provider	Springer Nature Link
Author	Duan, B. Y. Song, L. W. Zhu, M. B.
Copyright Year	2016
Abstract	The Planar slotted waveguide antenna (PSWA) is a special kind of thin-walled waveguide cavity structure that is composed of the welded-three-layer wave-guiders such as radiating, coupling and exciting ones. The antenna performance is very much dependent upon the welding process. According to thermal elastic-plastic theory and the technique of birth-death element, the impact of different factors including cooling curves (temperature descendent gradient), solders and clamping cases during the welding process on the structural behavior (stress and distortion) and electronic deformation is studied. Then, based on structural-electronic coupled model about the relationship between structural deformation and electronic performance, the influence of structural distortion on an antenna's electronic performance referring to the gain and side-lobe level is explored. Finally, the proposed model and methodology are applied to numerical simulation of an airborne planar slot waveguide antenna with the diameter of 900 mm. The obtained conclusions are valuable to the practical welding process of this kind of antenna.
Starting Page	1243
Ending Page	1251
Page Count	9
File Format	PDF
ISSN	1738494X
Journal	Journal of Mechanical Science and Technology
Volume Number	30
Issue Number	3
e-ISSN	19763824
Language	English
Publisher	Korean Society of Mechanical Engineers
Publisher Date	2016-03-12
Publisher Place	Seoul
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Integrated analysis with thermal structural and electromagnetic technologies Planar slotted waveguide antenna Electronic performance Welding process Influencing factors such as cooling curve solder and clamping method Mechanical Engineering Vibration, Dynamical Systems, Control Industrial and Production Engineering
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Mechanical Engineering

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