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Efficient design methodology for sandwich radome panels: a C-band design example

Content Provider	IET Digital Library
Author	Nazari, Farid Taherkhani, Mehdi Mokhtari, Majid Aliakbarian, Hadi Shekoofa, Omid
Abstract	In this study, a multidisciplinary design procedure for sandwich radomes is presented. This methodology is composed of two parallel paths which are related to each other, one for electromagnetic behaviour and the other for its mechanical properties. The electromagnetic performance and mechanical properties are often mutually related resulting in a parameter selection compromise between them. The presented methodology is applied on an A type sandwich panel for C-band weather applications. It is composed of primary electromagnetic and mechanical designs, dielectric constant measurement, and electromagnetic and mechanical optimisations. Mechanical design of the sample panels according to survival wind loading of 220 km/h is done numerically and experimentally. Pressure distribution on the radome structure caused by the wind load is calculated numerically. The critical buckling load (120 N) is reported according to ASTM C364 edge wised compression standard test. A sample A-type sandwich panel with the respective thicknesses of 13.2 and 0.6 mm for its core and face sheets, respectively, is fabricated and tested. The dielectric constants of each are measured by using two methods and the results, which are in agreement in both methods, are ∼1.05 and 3.3, respectively. The insertion loss of the fabricated panel is lower than 0.2 dB over the entire desired band.
Starting Page	808
Ending Page	816
Page Count	9
ISSN	17518822
Volume Number	14
e-ISSN	17518830
Issue Number	Issue 7, Sep (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-smt/14/7
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-smt.2019.0209
Journal	IET Science, Measurement & Technology
Publisher Date	2020-05-13
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	A Type Sandwich Panel Antenna Accessory ASTM C364 Edge Buckling C-band Weather Application Critical Buckling Load Dielectric Constant Measurement Dielectric Variables Measurement Electromagnetic Behaviour Electromagnetic Optimisations Electromagnetic Performance Mechanical Optimisations Mechanical Property Microwave Antenna Optimisation Optimisation Technique Permittivity Measurement Primary Electromagnetic Designs Radome Structure Radomes Sample A-type Sandwich Panel Sandwich Radome Panels Sandwich Structure Single Antenna Size 0.6 Mm Size 13.2 Mm Structural Panels Survival Wind Loading Velocity 220.0 Km/h
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electrical and Electronic Engineering

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