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425 articles for “surroundings”
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Modification of Microstrip Antenna by “Hexagonal Shaped” Metamaterial for Wireless Applications
Abstract: AbstractIn this proposed paper, a split ring “Hexagonal Shaped” metamaterial structure is used to modify the factors of antenna. The compact patch antennas (CPA) are directive and their size is small in surroundings. These antennas are sources to achieve the recent requirements. These antennas are desired to be possessing less return loss, better directivity, higher bandwidth and compact size at the operating frequency when used in any communicating operation. This …
Published in Journal of Microwave Engineering and Technologies · Vol. 5, Issue 3, 2018 · pp. 25–29 Read article
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A Review on Soil Moisture Sensor
Abstract: In this paper, we are interfacing a soil moisture sensor with Arduino. This moisture sensor can study the quantity of moisture present within the soil surrounding it. It is a low-tech sensor, however best for tracking an urban garden, or your plant's water stage. This is a tool for the related garden. This sensor uses two probes to pass through the soil, after which it reads that resistance to get …
Published in Journal of Microwave Engineering and Technologies · Vol. 6, Issue 2, 2019 · pp. 18–21 Read article
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A Comprehensive Survey on Massive MIMO Systems
Abstract: During the last decades with the mobile data traffic exponentially growing, demands for increased cell density or increased number of antennas per access point. Massive multiple input multiple output (MIMO) was found to be one of the solution for the ever increasing data traffic demand. However due to the inter cell interference and largely varying quality of service , massive MIMO lacks to meet the expectations of the demands of …
Published in Journal of Microwave Engineering and Technologies · Vol. 8, Issue 3, 2021 · pp. 6–21 Read article
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Fabrication of AA5182-Semis for Precise Components
Abstract: Al4.5MgMn alloy is known to show an excellent physical and mechanical properties as well as manufacturing and fabrication ease as semis, suitable for making precise components like hull of the light weight vehicles and seamless tubes. Present work has tried to describe the development of microstructure and texture of an industrial tandem hot rolled Al4.5MgMn alloy sheet after laboratory cold rolling and annealing. Crystallographic orientation dependent strengthening rate has been …
Published in Journal of Materials & Metallurgical Engineering · Vol. 11, Issue 3, 2021 · pp. 21–32 Read article
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The Role of Surface Treatments on Mechanical and Interfacial Shear Strength of Pineapple Leaf Fibers
Abstract: Natural fibers are seen as having potential application as reinforcing agents in polymer composite materials due to their main advantages, which include moderate strength and stiffness, low cost, and being an environmentally beneficial, degradable, and renewable material. They are susceptible to absorbing moisture because of their innate hydrophilicity, which can weaken or plasticize the adherence of the fibers to the surrounding matrix and impact the performance of composite materials employed …
Published in Journal of Materials & Metallurgical Engineering · Vol. 12, Issue 3, 2022 · pp. 18–28 Read article
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Microgrid Stability and Control Issues: A Review
Abstract: Microgrid are the key solution to implement Smart Grid for integration of renewable and distributed energy resources. This paper presents a discussion on the stability and control issues of microgrid with their solution and it Investigates some aspects of stability in microgrids and A hierarchical coordination strategy with primary, secondary, and tertiary coordination are reviewed for economic operation of community microgrid. Due to these problems with the existing power system, …
Published in Journal of Microelectronics and Solid State Devices · Vol. 10, Issue 2, 2023 · pp. 37–47 Read article
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Smart Motion Detection System using IoT: A NodeMCU and Blynk Framework
Abstract: A motion detector is a device that senses movement and triggers an action, such as turning on a light or sounding an alarm. Usually, motion detectors have been wired into home security systems, but with the advancements in IoT technology, they can now be connected to the internet for remote monitoring and control. This makes it possible to secure our homes and workplaces in a more practical and adaptable manner. …
Published in Journal of Microelectronics and Solid State Devices · Vol. 10, Issue 3, 2023 · pp. 1–8 Read article
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Energy Estimations and Hypothetical Design of an Exclusive Tourism Spot in Coastal Region Named “Bhasan Char” of Bangladesh
Abstract: Bhasan Char is a coastal island at Hatiya upzilla of Noakhali District. It is a single charwhich has been uncovered from the Bay of Bengal a few years back. An emergencyhumanitarian project implemented by the government of Bangladesh at this coastal island“Bhasan Char”, from September 2017, to temporarily rehabilitate a portion of incomingRohingya refugees before they can repatriate to their homeland, Myanmar. Under thisproject, government of Bangladesh carries out land …
Published in Journal of Power Electronics and Power Systems · Vol. 9, Issue 3, 2019 · pp. 10–18 Read article
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Challenges and Prospects of the Use of Horizontal Directional Drilling Techniques for Laying Oil and Gas Pipelines in Nigeria
Abstract: Nigeria pipelines, especially the petroleum and petroleum product pipelines are always vandalized by the sabotage. Huge amount of money is expended to put the damaged pipeline in good shape; and petroleum and petroleum product transfer is sometimes hampered due to leakages and damages caused by the oil thieves. Also huge money is being budgeted yearly to secure the pipelines. To combat this problem, horizontal directional drilling (HDD) is being proposed. …
Published in Journal of Petroleum Engineering & Technology · Vol. 7, Issue 2, 2017 · pp. 9–20 Read article
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Productivity of Hydraulically Fractured Calcite Rich Shale Reservoirs Enhanced by Acid
Abstract: The current low oil prices have highlighted the need for enhancement to current production from shale formations. Prolonging the production life and increasing productivity of the fracture network in the shale plays can be a way to improve the economics. Many shale wells, drilled and completed based on current completion strategies, show sharp decline after initial flash production. One of the reasons behind this can be attributed to closure of …
Published in Journal of Petroleum Engineering & Technology · Vol. 6, Issue 1, 2016 · pp. 54–68 Read article
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Integration of Nano Ct and SEM in Study of Marcellus Shale Heterogeneity
Abstract: The increase in exploration and production in shale gas reservoir, and few studies so far reported regarding the general topology of tight reservoir, it is now imperative to critically understand the complexities surrounding the geology of shale reservoirs and its characterization. To understand the transport processes in any shale medium, we need to enhance our knowledge of the geometry and topology of the tight shale rock. The Marcellus Shale has …
Published in Journal of Petroleum Engineering & Technology · Vol. 5, Issue 3, 2015 · pp. 39–51 Read article
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Review on: Elimination of Petroleum Hydrocarbons using Bacteriological Carpets
Abstract: In this review study, biodegradability of petrol hydrocarbon was premeditated on the petroleum sludge from the chemical industry using bacterial carpet. Bacterial carpet is consisting of biological fiber like jute fiber, coconut fiber. Accidentally, releasing of petroleum products are actual concern in the surroundings. Additionally, one of the main ecological difficulties at the present day is hydrocarbon pollution, which resulting from the activities associated with the chemical and allied industries. …
Published in Journal of Petroleum Engineering & Technology · Vol. 9, Issue 3, 2019 · pp. 21–27 Read article
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Petroleum sludge treatment and oil recovery: Review paper
Abstract: Oily sludge is a type of semi solid hydrocarbon waste material that produced by the petroleum industry. It is generally mixture of water, crude oil, and sludge that is solid matter. As it contains large amounts of various types of hydrocarbon like paraffinic hydrocarbon, saturated and unsaturated hydrocarbon, cycloalkanes, aromatic compound , poly aromatic hydrocarbon, benzene series, polycyclic aromatic hydrocarbons, some metals, sulphur, nitrogen and other toxic and harmful substances, …
Published in Journal of Petroleum Engineering & Technology · Vol. 12, Issue 1, 2022 · pp. 24–33 Read article
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REVIEW ON BIODEGRADABLE CONCRETE
Abstract: Concrete is one of the strongest construction materials used all over the world and usually considered as indestructible because of their longer service life as compared with the most constructional products. However, they can get destroyed for a variety of reasons including the material limitations, poor quality design and construction practices, as well as the hard exposure conditions. Degradation mechanisms of concrete often depend on the way potentially aggressive substances …
Published in Journal of Structural Engineering and Management · Vol. 5, Issue 3, 2018 · pp. 34–40 Read article
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Analysis of Two way Continuous Bridge under Moving Loads
Abstract: The analysis of dynamic behavior of bridge structures that are subjected to moving loads has been one of the research interests in recent years. Specifically in railway bridges, Resonance occurs when the load frequency is equal to a multiple of natural frequency of the structure. Resonance vibrations have been observed in railway bridges especially subjected to High Speed Lines. They are caused mainly because of two reasons one is the …
Published in Journal of Structural Engineering and Management · Vol. 6, Issue 2, 2019 · pp. 7–12 Read article
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Dynamic Analysis of Railway track and SSI effect
Abstract: The analysis of dynamic behavior of bridge structures that are subjected to moving loads has been one of the research interests in recent years. Specifically in railway bridges, Resonance occurs when the load frequency is equal to a multiple of natural frequency of the structure. Resonance vibrations have been observed in railway bridges especially subjected to High Speed Lines. They are caused mainly because of two reasons one is the …
Published in Journal of Structural Engineering and Management · Vol. 6, Issue 1, 2019 · pp. 37–41 Read article
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Study on Variation of Bond using Anti Corrosive Reagents on Reinforcing Steel Bar
Abstract: Variation of bond stress with different anti corrosive reagent was determined. When bar is embedded in concrete it is corroded in course of time and corrosion products form pit or holes on the surface of reinforcing bar and reduce cross sectional area of steel and also reduce bond capacity. To protect corrosion, different anti corrosive reagent are available in the market. But the effect of bond, of reinforcing bar with …
Published in Journal of Structural Engineering and Management · Vol. 1, Issue 1, 2014 · pp. 22–36 Read article
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Study of Structures Considering Second Degree Analysis P-delta and Construction Sequence Analysis
Abstract: Infrastructure plays an important, rathernecessary role in modern society.Real estate amenities surrounding to us give everyone access to multiple aspects of technology which help to carve the frame of mind.Amenities, which once were rare and difficult to avail for everyone, is now available to common civilians.Recently, RCC structures has changed a lot,the symmetrical and identical storeys of premises is now considered as a conventional and to an extent inefficient design.The …
Published in Journal of Structural Engineering and Management · Vol. 8, Issue 1, 2021 · pp. 38–42 Read article
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Application of Graphene in Health and Medical Areas
Abstract: A comprehensive overview of the current state of graphene research in the health and biomedical field are presented here. The graphene and its derivatives hold immense potential for various applications in biotechnology, biomedicine, and bioengineering. The unique physicochemical properties of graphene, such as thermal conductivity and high-specific area, make it a promising material for advancements in drug delivery, bio-imaging, biosensors, and tissue engineering. However, there is an increasing anxiety surrounding …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 10, Issue 3, 2023 · pp. 1–9 Read article
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Performance Enhancement of Cognitive Radio Spectrum Sharing (CRSS) with MIMO System
Abstract: A key challenge in operating cognitive radios (CRs) in a self-organizing (ad hoc) network is to adaptively and efficiently allocate transmission powers and spectrum among CRs according to the surrounding environment. Cognitive radio networks will provide high bandwidth to mobile users via heterogeneous wireless architectures and dynamic spectrum access techniques. CR networks inflict challenges due to the fluctuating nature of the available spectrum, as well as the diverse QoS requirements …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 2, Issue 3, 2015 · pp. 13–18 Read article