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Effect Of Current And Duty Factor For Different Electrode Shapes On Material Removal Rate In Edm, Shukry Aghdeab, Nagham Ghazy Aug 2026

Effect Of Current And Duty Factor For Different Electrode Shapes On Material Removal Rate In Edm, Shukry Aghdeab, Nagham Ghazy

Engineering and Technology Journal

This paper discusses the performance of Electrical Discharge Machining (EDM) process by changing the bottom shape of the electrode, including two stages: designing the electrodes by turning process then the resulted electrodes were used to machine the workpiece by EDM. The effect of electrode shape on material removal rate (MRR) has been investigated for material of CK 60 carbon steel for workpiece and material of brass for electrode. The shapes of the electrode bottom were flat, conical (with 90º apex angle) and round (with 8 mm radius) of constant diameter electrode of 16 mm. Experiments were repeated for three current …

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Effect Of Particle Size On Mechanical Properties Of The Recycling Compact Disks Reinforced Epoxy, Shayma Ahmed Aug 2026

Effect Of Particle Size On Mechanical Properties Of The Recycling Compact Disks Reinforced Epoxy, Shayma Ahmed

Engineering and Technology Journal

The recycling of CDs or DVDs (compact disks) as a filler in polymer composites can be used in many engineering applications such as electrical, automobile, and building applications. In the present paper, composite materials were prepared of epoxy resin reinforced with three different particles size (600˂d˂850, 200˂d˂600, d˂200 μm) of recycling of CDs or DVDs (a very thin aluminum layer is used to record information). Hand lay-up technique was conducted to produce composite material samples. Different types of tests, such as tensile, bending, impact, and hardness were applied on these samples. The mechanical characteristics of the composite samples were analyzed. …

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Suggested Methods To Solve The Coils Misalignment For The Biomedical Implants, Saad Mutashar Aug 2026

Suggested Methods To Solve The Coils Misalignment For The Biomedical Implants, Saad Mutashar

Engineering and Technology Journal

One of the major problems of the inductive coupling link in the biomedical implantable devices is the misalignment between coils. This paper produces two simple suggested methods to avoid and reduce the misalignment between two coils. The first one is to split the implanted coil into two identical coils with 450 μH of inductance where the external coil was equal to them in inductance ~ 900μH.  The results show that the received powers are constant and compensated by one of the coils, which provides a stable power at the implant. The second proposed suggestion is to use two separated identical …

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The Relationship Between Data Transfer Rate And Distance In Power Networks Modems, Salih Mahmood Aug 2026

The Relationship Between Data Transfer Rate And Distance In Power Networks Modems, Salih Mahmood

Engineering and Technology Journal

With the rapid growth of communication networks, reliable and economical communication systems are needed and can be implemented in buildings. PLC uses electrical wiring to transmit information and provides high-speed and cheap data communications, such as home networks and Internet access. PLC is a hostile environment for communication, making communication signals spread difficult and experiencing significant challenges such as noise, attenuation and interference. This research focus on the challenges of communications via power lines such as distance and stability. Performance factors are tested and studied through the actual application of communication networks by connecting modems and computers in the network …

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Metal Flow Control In Producing The Non Symmetrical Parts In Deep Drawing Process, Kariem Younis, Adil Jaber Aug 2026

Metal Flow Control In Producing The Non Symmetrical Parts In Deep Drawing Process, Kariem Younis, Adil Jaber

Engineering and Technology Journal

the quality of the cups drawn in the deep drawing process are secured by the rate of metal flow into the die cavity, efficiently control on the metal flow can reduce and eliminate a lot of defects such as wrinkling, tearing and earing especially in the square deep drawing due to the non-uniform stresses induced along die cavity. This control is obtained using a restraining force supplied by blank holder tool or draw beads or both. Therefore this research focuses on the study these parameters numerically and experimentally. Ansys software based on finite element method was used to model and …

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Analytical Comparison On Inductive Wireless Power Transfer System For Biomedical Devices, Suhad Jasim Aug 2026

Analytical Comparison On Inductive Wireless Power Transfer System For Biomedical Devices, Suhad Jasim

Engineering and Technology Journal

This paper presents a comparative analysis for the four basic topologies of inductive link wireless power transmission, thereby allowing designers to select the most appropriate topology according to the requirements of the application. Wireless energy transfer systems applied for diagnostic or monitoring signals in biomedical devices to eliminate the needs for tethering wires or implantable batteries. Inductive link studied as main technique in wireless power transmission for biomedical devices. In various applications, the maximum delivered power and maximum efficiency of an inductive link system are two important factors to be considered. The efficiency expression for power transfer of the four …

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Optimum Site Selection For Groundwater Wells Using Integration Between Gis And Hydrogeophysical Data, Nadia Aziz, Raghad Hasan, Zaidoon Abdulrazzaq Aug 2026

Optimum Site Selection For Groundwater Wells Using Integration Between Gis And Hydrogeophysical Data, Nadia Aziz, Raghad Hasan, Zaidoon Abdulrazzaq

Engineering and Technology Journal

This paper aim to select the best site to drill a groundwater wells by using of Geographic Information System (GIS) as a tool for decision-making. The study conducted in Fadak farm in Bahr Al-Najaf which is located west and southwest of Najaf city, and extends more than (40 km) away from it, to drill a new wells for irrigations usages. The optimal location selected depending on the available hydrogeophysical data includes resistivity, depth, thickness and transmissivity of aquifer. The weighted factor maps generated for the evidence layers were given weights depending on the significance of each parameter, these parameters were …

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Effects Of Enhancement P+ Layer On Igbt Operation, Inmar Ghazi, Hayder Assafli, Wail Nassir Aug 2026

Effects Of Enhancement P+ Layer On Igbt Operation, Inmar Ghazi, Hayder Assafli, Wail Nassir

Engineering and Technology Journal

IGBT (Insulated-gate bipolar transistor), is used widely in high voltage applications, it is very important to realize the doping profile in order to understand the design and the electrical performances of such devices. The performance depends on the layer, doping, and a carrier distribution among each layer. A specific selected layer can be added with precise properties for enhancing the device and increase the low current operate requirement. In this paper, an IGBT device is an enhanced and better performance achieved by the addition of a heavily positive doped intermediate layer. The collector current is decreased from 0.05 mA to …

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Enhancement Of Thermal Storage Properties Of Phase Change Material By Using Metallic Swarf, Abdulkareem Khudhair, Falah Hatem, Dher Mohammed Ridha Aug 2026

Enhancement Of Thermal Storage Properties Of Phase Change Material By Using Metallic Swarf, Abdulkareem Khudhair, Falah Hatem, Dher Mohammed Ridha

Engineering and Technology Journal

The phase change materials (PCM) is commonly used for storage heat as a latent heat, the main disadvantage of this method is slow response time during charging and discharging; this due to the PCM thermal properties. This work studied experimentally the enhancement of thermal properties of PCM by adding various metallic swarf such as copper, aluminum and iron swarf. Metallic swarf used as thermal conductivity promoter to produce modified paraffin wax samples. The addition of the previous enhancers was conducted with a weight fraction of (7.5%, 12.5% and 17.5%) to the whole weight of the mixture. The experimental results showed …

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Proposed Design Against High-Cycle Fatigue Failure Of Metallic Beams Using Lamination, Riyah Kiter Aug 2026

Proposed Design Against High-Cycle Fatigue Failure Of Metallic Beams Using Lamination, Riyah Kiter

Engineering and Technology Journal

Fatigue analysis helps in predicting life of the component and seeks improvements of the whole process in design phase. Efforts are continually made to combat the fatigue phenomenon, yet certain mechanical components are still failing due to fatigue. The present work proposes a laminated design of beams, which undergo fatigue. The well-known Paris-Erdogan formula was used to theoretically predict fatigue life of the proposed design. The design was shown to enhance fatigue properties through laminating the cross section of the component; Barriers in front of a propagating crack is deliberately included by lamination. Spectacular levels of improvement in the fatigue …

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Developing A Branch And Bound Algorithm For Cell Formation And Group Scheduling, Amjad Abdulghafour, Dhulfiqar Dhayef Aug 2026

Developing A Branch And Bound Algorithm For Cell Formation And Group Scheduling, Amjad Abdulghafour, Dhulfiqar Dhayef

Engineering and Technology Journal

Scheduling models for groups of parts have become more widely used in the industrial companies because of intensification of competition among them to get optimization in the delivery orders, reduce costs and increase quality. “Production scheduling is a meaning of verify a best or close to best achievement time plan for performing job, Production scheduling linked with the group technology applications is called Group Scheduling (GS). The objective of this research is to find optimum sequence of parts through cell formation and group scheduling. In this research, a lower bound for best possible Makespan is calculated by branch and bound …

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Investigation Of Microstructure And Chemical Analysis Along Weldments Aisi 410 Mss/Er Nicrmo-3, Emad Al-Hassani Aug 2026

Investigation Of Microstructure And Chemical Analysis Along Weldments Aisi 410 Mss/Er Nicrmo-3, Emad Al-Hassani

Engineering and Technology Journal

In this research work the weldability of AISI 410 martensitic stainless steels (SS) LP-blades of steam turbine joined by GTAW (gas tungsten arc welding); inconel-3 filler wire was investigated. To study the mechanical performance and microstructural characteristics of the welded joint, the optical-microscopic and micro-hardness were applied along the cross-section of specimens, respectively. Line/Point and EDS technique were used to predict the chemical composition of welding joint. WDS MAP/ WDS LINK (Energy Dispersive Spectroscopy) used to know the movement of elements along the weldments. Results showed that micro-hardness along the HAZ regions increased. Microstructure photographs revealed γ-austenite as predominate phase …

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Beneficiation Of Low Grade Calcium Bentonite Claystone, Hijran Toama, Abdul-Wahab Al-Ajeel, Ekhlas Abdullah Aug 2026

Beneficiation Of Low Grade Calcium Bentonite Claystone, Hijran Toama, Abdul-Wahab Al-Ajeel, Ekhlas Abdullah

Engineering and Technology Journal

The beneficiation of Ca-bentonite claystone has been studied with dispersion sedimentation technique using polyionic salts as dispersant.The claystone is located in the Western Desert of Iraq. It is of a low grade, associated with different amount of clay and non-clay mineral impurities. Calcite (CaCO3) constitutes the major proportion of these impurities. Various parameters; solid concentration, dispersant amount (e.g. sodium tripolyphosphate, and tetrasodium pyrophosphate), conditioning time, and centrifugal sedimentation speed and time on the efficiency of the beneficiation process were investigated and followed through the measurement of CaO% and cation exchange capacity (CEC) values of the upgraded claystone concentrate. Centrifugal sedimentation …

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Stability Analysis Of An Earth Dam Using Geo-Slope Model Under Different Soil Conditions, Usama Mishal, Thair Khayyun Aug 2026

Stability Analysis Of An Earth Dam Using Geo-Slope Model Under Different Soil Conditions, Usama Mishal, Thair Khayyun

Engineering and Technology Journal

Numerical models are used to check the stability of earth dams and to simulate the effects of all the parameters, which affect its safety. The physical properties of the materials used in the construction of an earth dam are one of these important parameters. The finite element analysis software used for numerical modeling in this study is GeoStudio 2007(SEEP/W and SLOPE/W). The total number of finite elements used to simulate the standard model is 13508 (triangular elements with global size = 2m), while the total number of nodes is 6939. The selected case study is Al-Adhaim dam, which is an …

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Applying Fuzzy Multi-Criteria Decisionmaking And Different Techniques To Solve Multi Objective Project Planning, Mahmoud Mahmoud, Luma Al-Kindi, Haider Hady Aug 2026

Applying Fuzzy Multi-Criteria Decisionmaking And Different Techniques To Solve Multi Objective Project Planning, Mahmoud Mahmoud, Luma Al-Kindi, Haider Hady

Engineering and Technology Journal

For achieving successful projects, effective planning and scheduling should be taken into consideration besides reaching an accepted balance among project objectives. As a result, this research focuses on attaining an effective balancing among a set of objectives that are time, cost, and number of laborers. The purpose of this research is to solve the problem of multi-objective project using multi-technique in a best possible way that accommodate with the nature of project activities. This aim is achieved by facilitating the accuracy of decision taking throughout choosing the best technique among group of techniques used in project planning and control these …

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Investigate The Effect Of Different Kinds Of Discontinuous Fibers On The Mechanical Properties Of Epoxy Matrix Composite Materials, Ahmed Muhammad, Ibrahim Atiyah, Hamza Kamal, Ahmed Al-Mukhtar Al-Mukhtar Aug 2026

Investigate The Effect Of Different Kinds Of Discontinuous Fibers On The Mechanical Properties Of Epoxy Matrix Composite Materials, Ahmed Muhammad, Ibrahim Atiyah, Hamza Kamal, Ahmed Al-Mukhtar Al-Mukhtar

Engineering and Technology Journal

The composite manufacturing has been a wide variety of applications. The low density, stiffness, and weight to strength ratio giving these materials significant mechanical properties in aerospace, and automotive industries. In this work, the specimens of fiber reinforced composites have been prepared by adding different percentage of two types of fibers in epoxy resins matrix. So, the aim of this study is to evaluate the effect of additives on the mechanical properties according to Standard Test Method for Tensile Properties ASTM D3039. The tensile and hardness testing show that the carbon fibers improve the hardness and tensile strength due to …

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Dcf With Fbg For Dispersion Compensation In Optical Fiber Link At Various Bit Rates Using Duobinary Modulation Format, Hussein Mahmood Aug 2026

Dcf With Fbg For Dispersion Compensation In Optical Fiber Link At Various Bit Rates Using Duobinary Modulation Format, Hussein Mahmood

Engineering and Technology Journal

Dispersion is one of the very important parameters that effect on the performance of optical fiber communication systems. It causes pulse broadening, limiting of transmission distance and the number of channels on optical fiber link and low Bit rate. Dispersion compensation fiber (DCF) based on Fiber Bragg Grating (FBG) is widespread used in the dispersion compensation scheme. In this work, the proposed dispersion compensation fiber is included (pre – post–symmetrical) schemes with Fiber Bragg Grating and duo-binary modulation format. These are at various bit rates (10 Gbit/s, 20 Gbit/s, 30 Gbit/s and 40 Gbit/s) and different input laser power from …

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Specific Absorption Rate (Sar) Simulated For Square Patch Antenna Of Head Tissues, Ahmed Ahmed Aug 2026

Specific Absorption Rate (Sar) Simulated For Square Patch Antenna Of Head Tissues, Ahmed Ahmed

Engineering and Technology Journal

Square patch antennas (SPA) are widely used today is in wireless communication systems, mainly with a popular frequency of 2.4 GHz. Wireless devices is the main source of electromagnetic (EM) radiation, which penetrates the tissues of human and causes health danger. In this paper, SPA antenna is designed, simulated and evaluated at 2.4 ������ for internet application by using CST Microwave studio 2014. Specific absorption rate (SAR) is the term, which measures the exposure of human to EM radiation of communication antenna. SAR values are calculated over 1 ���� ������ 10 ���� mass of tissues, according to the IEEE and …

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Studying The Efficiency Of Lime-Soda Sinter Process To Extract Alumina From Colored Kaolinite Ores Using Factorial Technique Of Design Of Experiments, Hijran Toama, Abdul-Wahab Al-Ajeel, Ajheen Jumaah Aug 2026

Studying The Efficiency Of Lime-Soda Sinter Process To Extract Alumina From Colored Kaolinite Ores Using Factorial Technique Of Design Of Experiments, Hijran Toama, Abdul-Wahab Al-Ajeel, Ajheen Jumaah

Engineering and Technology Journal

As the increasing demand for alumina in recent years with the result diminishing reserve of bauxite, the need to secure a domestic raw material base is driving research in new technologies to process low grade ores into alumina, with the intention that these technologies will lead to a significant reduction of bauxite and alumina transportation costs, allow the extraction of more valuable components from the ore and reduce environmental impact. Clays are types of the low-grade aluminum ores, they're also well abundant which make them a potential substitutes for Bauxite. In this work, lime soda sinter process was adopted for …

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Experimental Study Of Mechanical Properties Of Type Linear Low Density Polyethylene And Mold Design, Samir Amin, Ali Hassan Aug 2026

Experimental Study Of Mechanical Properties Of Type Linear Low Density Polyethylene And Mold Design, Samir Amin, Ali Hassan

Engineering and Technology Journal

In general, the manufacture of plastic materials is commonly in the world due to their applications. Plastic is light weight, cheap, and able to be used in different industries, for example parts of automotive and home tools. This research represents a challenge on how to design and manufacture a changeable mold. First, a mold was designed by the Auto CAD program and then manufactured in the workshop. The mold consists of three parts, the middle part has changeable cavity. The mold was cooled by worm net pipes embedded into the third part. All specimens were manufacture in this mold. The …

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Select The Best Cyclic Prefix For Various Effective Area In An O-Ofdm System, Sinan Majid, Razi Al Azawi, Rend Alrays Aug 2026

Select The Best Cyclic Prefix For Various Effective Area In An O-Ofdm System, Sinan Majid, Razi Al Azawi, Rend Alrays

Engineering and Technology Journal

In the past few years, the Optical Orthogonal Frequency Division Multiplexing (O-OFDM) has been deliberated as a promising future in high data transmission technology. OFDM is a special case of FDM technology, which is a multi-carrier-modulation (MCM). OFDM has been developed in the wireless as well as wireline systems, for that reason it is popularly used in optical transmission systems. O-OFDM system is simulated with Optisystem V14.0 program from @Optiwave company. This paper provides an examination of O-OFDM system using different cyclic prefix length to eliminate the effect of ICI and ISI, on the other hand using different values of …

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On The Performance Of A Microstrip Antenna Based Uc-Pbg Structures For Uhf Rfid Readers, Ali Jalal, Marwa Jwair Aug 2026

On The Performance Of A Microstrip Antenna Based Uc-Pbg Structures For Uhf Rfid Readers, Ali Jalal, Marwa Jwair

Engineering and Technology Journal

Microstrip antennas suffer from low gain bandwidth product due to surface wave effects and aperture diffractions that limit their use for long-range communications. On top of that, the difficulty of achieving a pure circularly polarized radiation with high gain due to the feeding structure effects. This paper is subjected to design a gain enhanced circularly polarized patch antenna using Uniplanar Compact-Photonic Band Gap (UC-PBG) structu.res for UHF RFID applications. The patch is structured as truncated corners with cross slots at the centre mounted on an FR-4 epoxy substrate of 1.6mm thickness with an overall area of 188×188mm2. The UC-PBG is …

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Performance Evaluation Of The V–Basin Tube Solar Collector By Using .Different Nanoparticles And Base Fluids, Ibtisam Hasan, Khaliid Sultan Aug 2026

Performance Evaluation Of The V–Basin Tube Solar Collector By Using .Different Nanoparticles And Base Fluids, Ibtisam Hasan, Khaliid Sultan

Engineering and Technology Journal

This research discuss the performance and evaluation of V –basin collector in heating systems of solar with different nanofluids and base fluids, where metal nanofluids [Ag (20nm) + DW + EG], and metal oxide nanofluid [TiO2 (40nm) + DW + EG]are the used operating fluids with flow rate of 25 lit/hr, 50 lit/hr and ratios of concentration (i.e. 1, 2, 3 and 5 % vol). The base fluids employed in these experiment is distilled water and ethylene glycol. The metal and oxide metal nanofluids are shown a significant improvement in the performance of V –basin tube solar collector with higher …

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Study Of Some Mechanical Properties And Erosive Behavior By Taguchi Method For Hybrid Nano Composites, Reem Mohammed Aug 2026

Study Of Some Mechanical Properties And Erosive Behavior By Taguchi Method For Hybrid Nano Composites, Reem Mohammed

Engineering and Technology Journal

The aim of this research is study the effect Nano TiO2 powder on impact strength, fracture toughness, hardness shore (D) and erosive wear behavior of polymer composites materials are prepared by simple hand lay-up technique. The specimens was prepared by adding (1%, 2%,3%,4%,5% & 6%) weight fraction of nano powder (TiO3) has average size of (16 nm) to unsaturated polyester resin reinforcement with (5%) weight fraction of carbon fiber. The value of erosive wear rate for polymer composite materials can be obtaining after (15 hours) and under effect various parameters such as impingement angle (30 º, 45 º, 60 º, …

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A Mathematical Model To Determination Of Alum Amount Added For The Purpose Of Coagulation In Water Purification Plants, Hassan Omran, Mizher Kadhim Aug 2026

A Mathematical Model To Determination Of Alum Amount Added For The Purpose Of Coagulation In Water Purification Plants, Hassan Omran, Mizher Kadhim

Engineering and Technology Journal

Chemicals are used to increase the settling velocity for suspended deposition colloids which are not settled in sedimentation tanks in water purification plants . For this purpose, the alum is used in wide spread across the water purification projects in Iraq. This research contains studying the factors that effect on alum amount added by conducting laboratory tests of water samples from Euphrates river at the purification plant in AL-Musayyab city over ten years (with monthly rate). It was noted that the amount added depends heavily on the turbidity of water entering the purification plant, in addition to water temperature and …

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Strength Evaluation Of Hybrid Reinforced Concrete Columns Under Eccentric Loads, Ammar Ali, Zaynab Mohammed Aug 2026

Strength Evaluation Of Hybrid Reinforced Concrete Columns Under Eccentric Loads, Ammar Ali, Zaynab Mohammed

Engineering and Technology Journal

This study presents an experimental investigation of the behavior of hybrid circular columns composed of outer precast reactive powder concrete (RPC) tubes filled with normal concrete (NC). The column specimens were subjected to an eccentric load producing both flexural and axial stresses within the section. The specimens consisting of 200 mm outer diameter with 400 mm height. The column specimens were divided into three groups, each group contains two specimens of thicknesses of outer RPC walls of 50 and 25 mm that filled with NC, in addition to RPC solid column section. The columns of first group were without any …

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Effect Of Dem And Land Cover Resolutions On Simulated Runoff Of Adhaim Watershed By Swat Model, Mahmoud Saleh Al-Khafaji, Fouad Saeed Aug 2026

Effect Of Dem And Land Cover Resolutions On Simulated Runoff Of Adhaim Watershed By Swat Model, Mahmoud Saleh Al-Khafaji, Fouad Saeed

Engineering and Technology Journal

Accurate estimation of surface runoff by using Soil and Water Assessment Tool (SWAT) model is highly depends on the accuracy of the Digital Elevation Model (DEM), Land Cove and Land Use (LC/LU), soil and weather data as input variables. The interactive and complementary effects of the DEM and LC/LU resolutions on the estimated runoff were not taken into consideration in previous studies. This research aims to study these effects on the accuracy of runoff estimation of Adhaim Watershed by using SWAT Model. Twenty surface runoff estimation SWAT models of Adhaim Watershed were implemented using five DEMs with spatial resolution of …

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Numerical And Experimental Study Of Cooling In Desktop Computer With Block Heat Sink, Jalal Jalil, Ekbal Ali, Hiba Kurdi Aug 2026

Numerical And Experimental Study Of Cooling In Desktop Computer With Block Heat Sink, Jalal Jalil, Ekbal Ali, Hiba Kurdi

Engineering and Technology Journal

This paper investigates numerically and experimentally fluid flow and heat transfer inside the desktop P.C.. The study of cooling considers the components; CPU, heat sink, power supply, motherboard, CD, HDD and fans. Three components have heat source (CPU, motherboard and power supply unit). There were two openings for air inlet and two for air outlet. The tested values of air inlet velocities were 1.2, 1.8 and 2.4 m/s. The work investigates the effect of inlet air velocity and powers (PCPU = 8.5 W, PPSU = 24 W, PMO=12 W) of multi-components (CPU, motherboard and PSU). The numerical results obtained (by …

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Removal Of Cr (Vi) And Cu (Ii) Ions From Synthetic Wastewater By Solar Photocatalytic Reactor, Mohammad Abid, Luma Mahmood, Noor Hamza, Sukaine Mohamed Mohamed Aug 2026

Removal Of Cr (Vi) And Cu (Ii) Ions From Synthetic Wastewater By Solar Photocatalytic Reactor, Mohammad Abid, Luma Mahmood, Noor Hamza, Sukaine Mohamed Mohamed

Engineering and Technology Journal

Heavy metal ions in wastewater have promoted increasing concern on environmental and health risks. The present work was devoted to investigate the feasibility of utilizing solar light to degrade Cr (VI) and Cu (II) ions in synthetic wastewater. The effect of the key process parameters on the quality of product was studied by varying the pH (3, 5, 7, 9, and 11), H2O2 (50, 100, 200, and 300 mg/L) and TiO2 loading (0.9, 1.3, and 1.7 g/L). Experimental results revealed that after 120 min of solar illumination the highest reduction of Cr (VI) ions was 97.0% obtained under (pH = …

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Design Of Compact Dual-Mode Bpfs Based On Cantor Fractal Geometry With U-Shaped Capacitive Coupling, Seevan Abdulkareem Aug 2026

Design Of Compact Dual-Mode Bpfs Based On Cantor Fractal Geometry With U-Shaped Capacitive Coupling, Seevan Abdulkareem

Engineering and Technology Journal

This study displays two microstrip bandpass filters using dual mode loop and patch resonators in form of Cantor geometry. The proposed filters exhibits one and two bands frequency responses for each of them respectively. The microstrip filter using Cantor loop has been tested by AWR 12 software package at resonances of 4.55 and 4.58 GHz, whereas for Cantor dual band patch filter has been simulated at band frequencies of 3.6 and 6.84 GHz respectively. RT/ Duroid 6010 substrate has been adopted for filter designs with thickness and relative permittivity of 1.27 mm and 10.8, respectively. The simulated filters have notable …

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