Search
1929 articles for “(2” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
-
Patch Antenna by using Tunable Metamaterial for Dual Band Application
Abstract: AbstractIn this paper, a novel compact microstrip antenna, designed on FR4 substrate, is proposed. Here, a compact Square patch antenna is designed in such a way that a layer of metal between the patch load and the radiating patch moreover, the ground which makes the antenna operate at a lower frequency and antenna at 2.418 GHz with the directivity and gain is 6.58 6dB and 2.935dB. The Tunable metamaterial is …
Published in Journal of Microwave Engineering and Technologies · Vol. 5, Issue 3, 2018 · pp. 20–24 Read article
-
Circularly Polarized Compact Wide Slot Microstrip-Fed Antenna for Wideband Applications
Abstract: Abstract: This paper presents a circularly polarized (CP) compact wide slot microstrip–fed antenna for wideband applications. Inverted L-shape protruding stub from the ground plane towards the center of slot permits to obtain AR <3dB. Wide slot fed with an offset microstrip feedline at an offset distance d, beneath the protruded stub. Proposed CP wide slot (WS) antenna is designed with compact size of 25 mm x 25 mm. Simulated results …
Published in Journal of Microwave Engineering and Technologies · Vol. 6, Issue 1, 2019 · pp. 6–12 Read article
-
Analysis of a Dual Band Stacked Patch Antenna with Multiple Notches
Abstract: This paper presents the design and analysis of compact dual band stacked microstrip patch antenna for various applications. The designed antenna structure represents the dual frequency band operation and it covers the S band, frequency applications such as Wi-Fi, surface ship radar, weather radar, broadcasting in the range from 2.31GHz to 3.77GHz frequency band, radar, satellite based digital audio radio service (DARS) communication and some communication satellites. The parameters of …
Published in Journal of Microwave Engineering and Technologies · Vol. 4, Issue 1, 2017 · pp. 23–28 Read article
-
Reliability Analysis of Lube Oil in a Generator
Abstract: In this research work, we considered the best or better practices of maintaining lube oil balance in generator set by adopting a reliability analysis method. It was established that the running of the generator set for a long time and the heaviness of the appliances switched on upon the generator has been investigated to be a contributing factor for the reduction in the quality of the lube oil which influences …
Published in Journal of Materials & Metallurgical Engineering · Vol. 12, Issue 3, 2022 · pp. 1–8 Read article
-
Performance Analysis of Complimentary Pass Transistor Logic Based Multiplexer Using Dual-gate FinFET Technology
Abstract: AbstractThis paper presents the design and analysis of double gate FinFET complimentary pass transistor logic (CPL) multiplexer. The circuit of multiplexer (MUX) using CPL is used for comparison of performance parameters like average power consumption, rise/fall time, delay, slew rate, PDP and EDP. Multiplexer is a digital circuit, it has inputs and select line; select lines are used for select input lines to transfer data to the output end. The …
Published in Journal of Microelectronics and Solid State Devices · Vol. 5, Issue 1, 2018 · pp. 41–48 Read article
-
Efficient ADP Scheme for DWT Computation
Abstract: AbstractIn this paper, the lifting and flipping scheme for discrete wavelet transform (DWT) computation and proposed an area delay efficient lifting based DWT architecture. In this computation huge number of multipliers and adders are saved when lifting based 2-D DWT architecture implemented. The derived full-parallel lifting-based 1-level 2-D DWT structure involves half number of less multiplier than the flipping-based 2-D DWT structure. Compared with the existing lifting-based structure, the proposed …
Published in Journal of Microelectronics and Solid State Devices · Vol. 5, Issue 3, 2018 · pp. 22–26 Read article
-
Effect Analysis of Different ETL Layer Thickness in Perovskite (CH3NH3PbI3) Solar Cell Using CuSCN as Hole Transport Layer
Abstract: Thickness of Electron Transport Layer (ETL) shows an important role in terms of stability and efficiency of perovskite solar cells. In this paper, numerical simulation and detailed modeling on perovskite solar cell was carried out using perovskite material such as methyl ammonium lead iodide (MAPbI3, MA= CH3NH3) at various thickness’s of ETL layer using the SCAPS tool. The electrical properties of the “MAPbI3 material” used as active layer for different …
Published in Journal of Microelectronics and Solid State Devices · Vol. 10, Issue 1, 2023 · pp. 1–7 Read article
-
Effect of Curing Time on Physico-mechanical Properties on Dental Composite
Abstract: This study aim to investigate the influence of curing time on physical and mechanical properties of a dental composite cured by using LED light with intensity of 1500 mW/cm2 in the range of 440-480 nm. We prepared the glass ionomer powder by fusion of various inorganic components at high temperature and studied the influence of silica/alumina ratio keeping other inorganic salts such as Calcium fluoride (CaF2), Sodium Fluoride (NaF), Calcium …
Published in Journal of Polymer & Composites · Vol. 10, Issue 3, 2022 · pp. 36–47 Read article
-
Production and Characterization of Essential oil using the Solvent Extraction Method from Brassica nigra seeds
Abstract: The purpose of this study is the Production, Optimization and Characterization of oil from Brassica nigra seeds using the Solvent Extraction Method. The result shows no difference from the seed oil extract from the mustard plants which grows in other parts of the world. This is to create awareness to utilize the Brassica nigra seed locally grown, as a potential source of edible oil for health benefit, such as additives …
Published in Journal of Petroleum Engineering & Technology · Vol. 10, Issue 1, 2020 · pp. 5–20 Read article
-
Experimental and Modeling Study of Companion Flange
Abstract: Performance of flange is characterized by its strength. A number of analytical and experimental studies have been conducted to study this characteristic of flange in pipeline under internal pressure loading. Very few researchers have studied the companion flange which is used in assembly of Universal Drive shaft. A companion flanges can be supplied as an individual component or as assemblies with universal drive shafts. It allows connection of a flange …
Published in Journal of Production Research & Management · Vol. 8, Issue 1, 2018 · pp. 29–36 Read article
-
Latest Research Trend of Optimization Techniques and Considerable Parameters in Wire Electrical Discharge Machining (WEDM): Review Article
Abstract: Wire electrical discharge machining (WEDM) is a non-conventional machining method with unique capabilities. WEDM offers a better alternative or sometimes the only alternative to produce complex shaped features and components of difficult-to-machine materials. In today’s highly competitive manufacturing industries, manufacturer’s ultimate goal is to produce high quality product with less time and cost constraint. To achieve these goals, one of the considerations is by optimizing the machining process parameters such …
Published in Journal of Production Research & Management · Vol. 6, Issue 2, 2016 · pp. 30–53 Read article
-
Strength Evaluation of Uniaxial Loaded Rectangular Confined RC Column under Static Load
Abstract: AbstractIS 456:2000 provides the guideline for RC column design and IS 13920:2016 provides the guideline for ductile design and detailing of RC columns to be provided in buildings to be constructed in seismic zones. The confining steel is provided to achieve the desired ductility in RC columns. The constitutive law under monotonic axial compression is proposed by researchers for confined concrete. It gives larger stress and strain values compared to …
Published in Journal of Structural Engineering and Management · Vol. 4, Issue 3, 2017 · pp. 7–12 Read article
-
Literature Review on Space Structure Connection
Abstract: AbstractThe performance of structural connections of all types has been the subject of intensive research during the last two decades. In connection system for the space structure, considering structural and geometrical requirements, many researches have provided different types and forms of connectors. Modern research from Luciano Mendes Bezerra, Cleirton André Silva de Freitas, William Taylor Matias, Yosiaki Nagato (increasing load capacity of end-flattened connections, 2009), Seyed Amin Mostafavian, Mohammad Reza …
Published in Journal of Structural Engineering and Management · Vol. 5, Issue 2, 2018 · pp. 1–8 Read article
-
Effect of Varying Particle Size and Content of Barley Husk on the Physical, Mechanical and Diffusional Properties of Poly Vinyl Alcohol/Barley Husk Composite Films
Abstract: Poly vinyl alcohol (PVA)/natural barley husk (NBH) composite films were prepared using solution casting method. The influence of content (5, 10, 15, 20 and 25 wt%) and particle size (89, 152, 251, 354 and 599 µm) of NBH on the physical, mechanical and diffusional properties of composite films were evaluated. Tensile strength and elongation of the composite films decreased by 55.73 and 59.48% and young’s modulus increased by 76.46% with …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 4, Issue 3, 2017 · pp. 27–35 Read article
-
Mechanical Behaviour of Conventional Concrete Using Fly Ash and Steel Fibre
Abstract: Concrete that area unit victimization with the waste materials, recycled materials etc. could be a revolutionary topic at this time of concrete business. This kind of concrete that resembles the traditional concrete, however the assembly or utilization of such concrete needs minimum quantity of energy and causes least hurt to atmosphere. This kind of concrete absorbs the waste product that is additionally useful for atmosphere aspects [1]. Some SCMs area …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 4, Issue 1, 2017 · pp. 18–23 Read article
-
Floodplain Inundation Modeling and Mapping for Geray River: Nile Basin, Ethiopia
Abstract: Flood is among the most devastating natural hazards in the world claiming lives and properties more than any other natural phenomena. During high flow, the Geray River flooded the vicinity of the area and causes loss of cultivated land and life. The objective of this study describes the flood extent and depth in the Geray River for different flow conditions. This research involves the integration of HEC-HMS, HEC-RAS, and GIS …
Published in Journal of Water Resource Engineering and Management · Vol. 6, Issue 3, 2019 · pp. 25–45 Read article
-
Seismic Performance of RC Building Using Precast Large Panel Walls
Abstract: To fulfill home dream of every citizen, Government of India has announced the mission “Housing for all by 2022”. Vertical development in the form of high-rise building has become crucial part of today’s urban cities of India with increase in population due to migration from surrounding rural areas in search of education and job. High-rise with precast technology is one of the staircases to reach the task of housing for …
Published in Recent Trends in Civil Engineering & Technology · Vol. 9, Issue 3, 2019 · pp. 29–39 Read article
-
A Study on Strength and Durability of Fly Ash–Metakaolin Blended Geopolymer Concrete
Abstract: Production of cement causes 8% of the total carbon dioxide emissions in the world. Finding a right alternative to cement is the need of the hour, to eliminate environmental pollution caused by cement production. A substitute for conventional concrete can be industrial waste products like GGBS, Flyash, Metakaolin, and so on, these mineral admixtures can be used to fully replace cement with some activators this mix of mineral admixtures and …
Published in Recent Trends in Civil Engineering & Technology · Vol. 12, Issue 3, 2022 · pp. 51–59 Read article
-
Exploring the Influence of Rice Husk Ash on Compressive Strength: Experimental Investigations in Construction Materials
Abstract: This paper aims to know the effect of rice husk ash on compressive strength 6 molds were collected and laboratory tests were conducted in cooperation with private laboratories in Baghdad Governorate, Iraq. The tests were conducted for a period of 7 and 28 days, where the samples were divided into 1 control and 5 samples distributed on a different percentage from 5% to 25% of the rice husks. The compressive …
Published in Recent Trends in Civil Engineering & Technology · Vol. 13, Issue 1, 2023 · pp. 24–28 Read article
-
Evaluations with RZ/NRZ Optical-CDMA Link
Abstract: AbstractThis article presents the proposed novel design for hierarchical asynchronous optical code-division multiple-access scheme; performance was investigated for numerous key parameters. With single active user, the RZ_ON_OFF ramp OCDMA scheme performance is better than other schemes over shorter reach; NRZ_OCDMA scheme is better for longer reach, depicted BER is in the range of 10-100 to 10-42 with three users and 10-28 to 10-12 with 32 active users over the randomly …
Published in Trends in Opto-electro & Optical Communication · Vol. 7, Issue 2, 2017 · pp. 12–40 Read article