Modelling of carbon nanotubes with different structures at millimeters wavelength antennas

The accelerated technological development in different fields and applications led to the emergence of an urgent need to present new materials for the design and implementation of modern antennas which are characterized by upgrade characteristics. These characteristics need to have the required m...

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spelling my-unimap-766322022-10-26T01:24:54Z Modelling of carbon nanotubes with different structures at millimeters wavelength antennas Liu, Wei Wen, Dr. The accelerated technological development in different fields and applications led to the emergence of an urgent need to present new materials for the design and implementation of modern antennas which are characterized by upgrade characteristics. These characteristics need to have the required materials for designing these antennas with remarkable properties that have durable despite the time or environment changes. Therefore, the main aim of this research is to present the materials which have good properties as well as have the ability to meet the required demands of the rapidly growing technological development in antenna applications. The basic materials proposed in this work are based on the carbon nanotubes (CNTs) properties and their structures as well as the carbon nanotubes composite materials. The problem statement of this research is present for the first time adequate modelling approaches for different CNTs structures and proposed a new material structure for antenna applications. This research also aims to estimate the electromagnetic (EM) behaviour of these materials through CST (MWS) for the purpose of antenna design and applications. Therefore, to achieve this aim, the mathematical analysis for these materials are done in order to compute their important parameters. Moreover, in this work, two modelling approaches are presented for both single-walled CNTs (SWNTs) and bundle of SWNTs (BSWNTs). Where, the equivalent nano-solid tube material (NSTM) model is utilized for the personification of the SWNTs and the equivalent solid conductor model (SCM) for the personification of the B-SWNTs. Hence, these modelling approaches presented in this study are indicate to benefit the estimation of the EM parameters of the dipole antennas that are designed based on these materials. Interestingly, the dipole antenna model is employed for studying the EM properties of these materials and their corresponding models. The validation process of the presented modelling approaches is achieved based on a comprehensive comparison for these models with the corresponding original related work. Universiti Malaysia Perlis (UniMAP) Thesis en http://dspace.unimap.edu.my:80/xmlui/handle/123456789/76632 http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/76632/4/license.txt 8a4605be74aa9ea9d79846c1fba20a33 http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/76632/1/Page%201-24.pdf ce2d18256fda9eee8d5daf7cbf3c7d99 http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/76632/2/Full%20text.pdf 88d78c1a86cab57658b937826ef79aaf http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/76632/3/Declaration%20Form.pdf 3186835882e46067adaf4d2df34b8136 Universiti Malaysia Perlis (UniMAP) Carbon nanotubes Wavelengths Antennas (Electronics) School of Computer and Communication Engineering
institution Universiti Malaysia Perlis
collection UniMAP Institutional Repository
language English
advisor Liu, Wei Wen, Dr.
topic Carbon nanotubes
Wavelengths
Antennas (Electronics)
spellingShingle Carbon nanotubes
Wavelengths
Antennas (Electronics)
Modelling of carbon nanotubes with different structures at millimeters wavelength antennas
description The accelerated technological development in different fields and applications led to the emergence of an urgent need to present new materials for the design and implementation of modern antennas which are characterized by upgrade characteristics. These characteristics need to have the required materials for designing these antennas with remarkable properties that have durable despite the time or environment changes. Therefore, the main aim of this research is to present the materials which have good properties as well as have the ability to meet the required demands of the rapidly growing technological development in antenna applications. The basic materials proposed in this work are based on the carbon nanotubes (CNTs) properties and their structures as well as the carbon nanotubes composite materials. The problem statement of this research is present for the first time adequate modelling approaches for different CNTs structures and proposed a new material structure for antenna applications. This research also aims to estimate the electromagnetic (EM) behaviour of these materials through CST (MWS) for the purpose of antenna design and applications. Therefore, to achieve this aim, the mathematical analysis for these materials are done in order to compute their important parameters. Moreover, in this work, two modelling approaches are presented for both single-walled CNTs (SWNTs) and bundle of SWNTs (BSWNTs). Where, the equivalent nano-solid tube material (NSTM) model is utilized for the personification of the SWNTs and the equivalent solid conductor model (SCM) for the personification of the B-SWNTs. Hence, these modelling approaches presented in this study are indicate to benefit the estimation of the EM parameters of the dipole antennas that are designed based on these materials. Interestingly, the dipole antenna model is employed for studying the EM properties of these materials and their corresponding models. The validation process of the presented modelling approaches is achieved based on a comprehensive comparison for these models with the corresponding original related work.
format Thesis
title Modelling of carbon nanotubes with different structures at millimeters wavelength antennas
title_short Modelling of carbon nanotubes with different structures at millimeters wavelength antennas
title_full Modelling of carbon nanotubes with different structures at millimeters wavelength antennas
title_fullStr Modelling of carbon nanotubes with different structures at millimeters wavelength antennas
title_full_unstemmed Modelling of carbon nanotubes with different structures at millimeters wavelength antennas
title_sort modelling of carbon nanotubes with different structures at millimeters wavelength antennas
granting_institution Universiti Malaysia Perlis (UniMAP)
granting_department School of Computer and Communication Engineering
url http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/76632/1/Page%201-24.pdf
http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/76632/2/Full%20text.pdf
http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/76632/3/Declaration%20Form.pdf
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