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Simulation of microwave no destructive testing environment (MNDT) to determine dielectric constant of concrete block using waveguide port approximation at 8-12 GHz (x-band) in CST microwave studio / Mohd Hanafi Mohd Nasir

The main objective of this research is to determine the dielectric constant of a concrete block using the CST Microwave Studio at frequency 8-12GHz(X-Band) and thus compare the result from the real environment measurement setup. Microwave non Destructive testing is a method used to determine the cha...

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Main Author: Mohd Nasir, Mohd Hanafi
Format: Thesis
Language:English
Published: 2017
Online Access:https://ir.uitm.edu.my/id/eprint/79639/1/79639.pdf
https://ir.uitm.edu.my/id/eprint/79639/
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spelling my.uitm.ir.796392023-09-19T04:47:26Z https://ir.uitm.edu.my/id/eprint/79639/ Simulation of microwave no destructive testing environment (MNDT) to determine dielectric constant of concrete block using waveguide port approximation at 8-12 GHz (x-band) in CST microwave studio / Mohd Hanafi Mohd Nasir Mohd Nasir, Mohd Hanafi The main objective of this research is to determine the dielectric constant of a concrete block using the CST Microwave Studio at frequency 8-12GHz(X-Band) and thus compare the result from the real environment measurement setup. Microwave non Destructive testing is a method used to determine the characteristic of a material without changing its natural properties. Concrete block has an ideal characteristic of dielectric constant which is in between 2.1 - 2.3. For this particular research, 2.2 is chosen as the benchmark to be obeyed. Besides the dielectric constant, the behavior of wave propagating through a Gaussian Optic Lens antenna is also studied and how the wave penetrates the concrete block is also focused on. The simulations are done using the CST Microwave Studio software and Microwave Non destructive Testing (MNDT) environment is modelled accordingly to get the results. There are 10 concrete blocks which are chosen to be the sample for this research. The values of dielectric constant of each sample are obtained from the real measurement setup. The most flexible solver is chosen which is the transient solver and with this solver it is possible to obtain the broadband frequency behavior of the simulated device from only one calculation run. All results from simulation are observed and discussions are made from the result. From the simulation, the average value of dielectric constant is 2.5874 which is greater than the benchmark for this research set at 2.2 and the average percentage error between simulation and real measurement is 0.24754%. From this research, a conclusion can be made where the Free Space Measurement Method environment modelling using CST Simulation is only possible to be recreated when enough information about the antenna design is provided. Therefore a close approximation is taken, where waveguide port approximation method is used, in order to meet the objective of this research where dielectric constant value needed to be determine thus compare all simulated values to the real measurement values. 2017 Thesis NonPeerReviewed text en https://ir.uitm.edu.my/id/eprint/79639/1/79639.pdf Simulation of microwave no destructive testing environment (MNDT) to determine dielectric constant of concrete block using waveguide port approximation at 8-12 GHz (x-band) in CST microwave studio / Mohd Hanafi Mohd Nasir. (2017) Degree thesis, thesis, Universiti Teknologi MARA (UiTM).
institution Universiti Teknologi Mara
building Tun Abdul Razak Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Mara
content_source UiTM Institutional Repository
url_provider http://ir.uitm.edu.my/
language English
description The main objective of this research is to determine the dielectric constant of a concrete block using the CST Microwave Studio at frequency 8-12GHz(X-Band) and thus compare the result from the real environment measurement setup. Microwave non Destructive testing is a method used to determine the characteristic of a material without changing its natural properties. Concrete block has an ideal characteristic of dielectric constant which is in between 2.1 - 2.3. For this particular research, 2.2 is chosen as the benchmark to be obeyed. Besides the dielectric constant, the behavior of wave propagating through a Gaussian Optic Lens antenna is also studied and how the wave penetrates the concrete block is also focused on. The simulations are done using the CST Microwave Studio software and Microwave Non destructive Testing (MNDT) environment is modelled accordingly to get the results. There are 10 concrete blocks which are chosen to be the sample for this research. The values of dielectric constant of each sample are obtained from the real measurement setup. The most flexible solver is chosen which is the transient solver and with this solver it is possible to obtain the broadband frequency behavior of the simulated device from only one calculation run. All results from simulation are observed and discussions are made from the result. From the simulation, the average value of dielectric constant is 2.5874 which is greater than the benchmark for this research set at 2.2 and the average percentage error between simulation and real measurement is 0.24754%. From this research, a conclusion can be made where the Free Space Measurement Method environment modelling using CST Simulation is only possible to be recreated when enough information about the antenna design is provided. Therefore a close approximation is taken, where waveguide port approximation method is used, in order to meet the objective of this research where dielectric constant value needed to be determine thus compare all simulated values to the real measurement values.
format Thesis
author Mohd Nasir, Mohd Hanafi
spellingShingle Mohd Nasir, Mohd Hanafi
Simulation of microwave no destructive testing environment (MNDT) to determine dielectric constant of concrete block using waveguide port approximation at 8-12 GHz (x-band) in CST microwave studio / Mohd Hanafi Mohd Nasir
author_facet Mohd Nasir, Mohd Hanafi
author_sort Mohd Nasir, Mohd Hanafi
title Simulation of microwave no destructive testing environment (MNDT) to determine dielectric constant of concrete block using waveguide port approximation at 8-12 GHz (x-band) in CST microwave studio / Mohd Hanafi Mohd Nasir
title_short Simulation of microwave no destructive testing environment (MNDT) to determine dielectric constant of concrete block using waveguide port approximation at 8-12 GHz (x-band) in CST microwave studio / Mohd Hanafi Mohd Nasir
title_full Simulation of microwave no destructive testing environment (MNDT) to determine dielectric constant of concrete block using waveguide port approximation at 8-12 GHz (x-band) in CST microwave studio / Mohd Hanafi Mohd Nasir
title_fullStr Simulation of microwave no destructive testing environment (MNDT) to determine dielectric constant of concrete block using waveguide port approximation at 8-12 GHz (x-band) in CST microwave studio / Mohd Hanafi Mohd Nasir
title_full_unstemmed Simulation of microwave no destructive testing environment (MNDT) to determine dielectric constant of concrete block using waveguide port approximation at 8-12 GHz (x-band) in CST microwave studio / Mohd Hanafi Mohd Nasir
title_sort simulation of microwave no destructive testing environment (mndt) to determine dielectric constant of concrete block using waveguide port approximation at 8-12 ghz (x-band) in cst microwave studio / mohd hanafi mohd nasir
publishDate 2017
url https://ir.uitm.edu.my/id/eprint/79639/1/79639.pdf
https://ir.uitm.edu.my/id/eprint/79639/
_version_ 1778165889779105792
score 13.211869

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