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1067 articles for “Investigation”
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Structural Behavior of Railway Bridges Against Wheel Loading by Finite Element Analysis
Abstract: Three dimensional numerical investigations carried out on railway bridges using ABAQUS/Explicit finite element program. The length of bridge 30 m and single track was considered in the present study. The bridge members such as main girder, cross girders and truss members are designed according to Indian Railway Standard (IRS) and the geometry of the rail was also modeled according to the standard. The constitutive and fracture behavior of materials have …
Published in International Journal of Structural Engineering and Analysis · Vol. 3, Issue 1, 2017 · pp. 1–14 Read article
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Seismic Performance of RC Building Using SMA Device
Abstract: In the present study, the seismic performance of RC frames with superelastic shape memory alloy damper (SMAD) is investigated. Shape memory alloys (SMA) belong to a class of smart materials capable of regaining its original shape when subjected to heat at a certain temperature. Hence, SMA is used as energy dissipater and re-centering components. A numerical investigation is carried out with nonlinear time history analysis of a five-storey RC frame …
Published in International Journal of Structural Engineering and Analysis · Vol. 5, Issue 1, 2019 · pp. 1–7 Read article
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Reviewing on the Performance of Masonry, Reinforced Concrete and Underground Tunnels against Blast Loading
Abstract: An explosion on the elevated structures caused by terrorist activities or manmade events can induce significant deformations in the Civil Engineering structures. Therefore, it is necessary to review the response of the structural systems such as masonry structures, reinforced concrete building structures and reinforced concrete tunnel. In order to understand the scope for protecting such a structures and the structural behaviour under blast loading, a detailed literature review is conducted. …
Published in International Journal of Structural Engineering and Analysis · Vol. 7, Issue 1, 2021 · pp. 31–42 Read article
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ANALYZING THE EFFECTIVENESS OF LEAD RUBBER BEARING BASE ISOLATION IN VERTICALLY IRREGULAR MULTISTORY BUILDING
Abstract: In regions characterized by high seismicity, the structural integrity of multistorey buildings isparamount. This study delves into the effectiveness of lead rubber bearing (LRB) base isolation as a promisingstrategy to enhance the seismic resilience of vertically irregular multistorey building. The investigationscrutinizes a G+13 vertically irregular multistorey building situated in Zones 3, Zone 4, and Zone 5,employing meticulous numerical simulations to evaluate parameters including storey displacement, storeyshear, storey drift, and overturning …
Published in International Journal of Structural Engineering and Analysis · Vol. 9, Issue 2, 2023 · pp. 1–18 Read article
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Comparative Modeling of Pavement Surface Texture Variables Using ANN and SPSS Software
Abstract: The health of Roadway pavement surface is considered as one of the major issues for safe driving. Pavement surface condition is usually referred to micro and macro textures which enhances the friction between the pavement surface and vehicular tires, while it provides a proper drainage for heavy rainfall water. Measurement of the surface texture is not yet standardized, and many different techniques are implemented by various road agencies around the …
Published in International Journal of Transportation Engineering and Traffic System · Vol. 2, Issue 2, 2016 · pp. 30–40 Read article
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PROBING INTO PEOPLES INTENTION IN THE USAGE OF SHARED AUTONOMOUS VEHICLES
Abstract: Transport brings a downward effect on people especially when it is shared (Public Transport) and with the growing development and prospects as well as risks it has become important to investigate. Multiple indicators and multiple causes (MIMIC) model a special structure equation model (SEM) adopted in the simulation to study the intention of the possibility to replace the commercial transport system with a shared autonomous vehicle (SAV). An investigation is …
Published in International Journal of Transportation Engineering and Traffic System · Vol. 5, Issue 1, 2019 · pp. 51–67 Read article
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Impact of Microcrack Healing Techniques on Resilient behavior of Asphalt Concrete
Abstract: Concentrated efforts on the development of innovative materials and techniques for asphalt pavement repair are going on, many of them related to crack healing. Flexible pavement usually practices repeated loading and environmental impacts and suffers distresses throughout its service life. Microcracks initiates and can heal itself under controlled conditions. In this Concentrated efforts on thedevelopment of innovative materials and techniquesfor asphalt pavement repair are going on, many of them related …
Published in International Journal of Transportation Engineering and Traffic System · Vol. 6, Issue 1, 2020 · pp. 33–41 Read article
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Assessment and Prediction of Groundwater for Irrigational Suitability
Abstract: Assessment of ground water suitability for irrigation purposes in Egita community has been investigated. The study gave sodium absorption ratio (SAR) values for different weeks of study. The values obtained ranges between 0.33 to 0.37 for both empirical model and finite element method respectively. The research demonstrates the suitability of using finite element method in predicting and monitoring sodium absorption ratio in groundwater water modelling and investigations. The correlation between …
Published in International Journal of Water Resources Engineering · Vol. 7, Issue 2, 2021 · pp. 32–36 Read article
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Bioelectrical Impedance Analysis in Body Composition
Abstract: The characteristic of measurement method of bio-impedance has demonstrated to be of non-invasive nature henceforth is a significant aim for accepting this method in medical investigation. BIA is an energetic and valuable technique for determining the total configuration of the body. Investigation of Bio-impedance shows an energetic role in the valuation of well-being and nutritional value of the body. By altered united circuits dissimilar methods for extent of body composition …
Published in International Journal of Analog Integrated Circuits · Vol. 1, Issue 1, 2015 · pp. 35–42 Read article
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Text Data Hiding and Extraction of Image using Discrete Wavelet Transform
Abstract: Now a day with the wide use of multimedia is increasing to a large extent, the visual information that contains the high quality and low complexity digital images plays a very vital role in daily life applications such as satellite television, magnetic resonance imaging, computer tomography, geographical information systems and astronomy and many other areas. Main purpose of this paper is to investigate or develop new concepts to design digital …
Published in International Journal of Digital Communication and Analog Signals · Vol. 1, Issue 1, 2015 · pp. 16–22 Read article
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A Technological Study of Biogas Generation from Biowaste Material: A Review of Research and Development
Abstract: The demand for electricity is increasing continuously and exponentially, and the conventional fuels are depleting rapidly. A number of renewable energy technologies have been studied worldwide. The most popular renewable energy technologies being used for power generation include solar photovoltaic, solar thermal, wind energy and biogas-based technologies. All these sources can be used for power generation and/or direct or indirect cooking. Use of biogas for power generation, cooking and its …
Published in International Journal of Electrical Power System and Technology · Vol. 4, Issue 1, 2018 · pp. 16–25 Read article
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POWER PLANT MODEL VALIDATION FOR IMPROVING SYSTEM RELIABILITY AND SECURITY
Abstract: Model that represents virtually all practical systems. Power system models are used to demonstrate the systemperformance studies such as generation, load growth estimation, operating limits calculation and (SIPS) system integrityprotective schemes performance computations and all this study depends upon an exact mathematical model representation of thetrans- mission system, generation system and load model. Comparison of performance data of the power system model with theactual system measured data called power system …
Published in International Journal of Electrical Power System and Technology · Vol. 9, Issue 1, 2023 · pp. 23–37 Read article
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Electrical and Optical Study of MEH-PPV-Based OLED
Abstract: The electrical and optical characteristics of MEH-PPV (Poly [2-methoxy-5-(2’-ethyl-hexoxy)-1, 4 phenylenevinylene]) as active layer has been investigated in the organic light emitting diode (OLED).The proposed structure is a monolayer device; consisting MEH-PPV sandwiched between high work function anode (ITO) and a relatively low work function cathode (Ca).The proposed structure was simulated by device simulation software ATLAS from Silvaco Inc. Simulation includes various organic models like Poole-Frenkel mobility model and Langevin …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 3, Issue 2, 2017 · pp. 1–9 Read article
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Zinc oxide/Chitosan biocompatible nanocomposites: Preparation, Characterization and its use in Congo red dye photodegradation
Abstract: Zinc oxide/chitosan biocompatible nanocomposites have been successfully synthesized by co-precipitation method. The samples were characterized by X-ray diffraction (XRD), Scanning electron microscope (SEM), Energy dispersive X ray Flurescence spectroscopy (EDAX) and Fourier transformation infrared spectroscopy (FTIR). The photocatalytic efficiency and photostability of the sample was investigated systematically for Congo red degradation under solar light irradiation. UV-vis Spectroscopy was employed to investigate the optical properties and photocatalysis behavior of the Zinc …
Published in International Journal of Applied Nanotechnology · Vol. 3, Issue 2, 2017 · pp. 27–39 Read article
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Plasmonic Devices for Electromagnetic Wave Concentration
Abstract: The EOT effect is enhanced by the concentration of EM waves. We explored optical transmission through arrays of nanohole pairs and found that the EOT effect through subwavelength nanoholes is enhanced by the confinement of electric field, and that the transmission is substantially higher than predicted. The optical transmission capabilities of arrays of isolated nanohole pairs and bridging nanohole pairs in gold with various geometrical configurations were explored and investigated …
Published in International Journal of Applied Nanotechnology · Vol. 8, Issue 1, 2022 · pp. 23–29 Read article
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Ignition Characteristics for Thermal Runaways of Hazard Chemical Reactions of Different Degree of Reactions
Abstract: Thermal explosion characteristics of a hazardous chemical reaction of different reaction order have been investigated analytically and numerically for both Arrhenius and Frank-Kamenetskii approximation models for the rate of reaction. The critical conditions in the temperature-time, concentration-time, and temperature – concentration planes of solutions are presented. A comparison between the results of analytical solutions in these planes is offered. The solutions show that the critical states in the temperature-time plane …
Published in International Journal of Energetic Materials · Vol. 1, Issue 1, 2015 · pp. 31–55 Read article
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A Short Review on Surface Plasmon Polaritons (SPPs) and Its Applications
Abstract: A surface plasmon polariton (SPP) is a two-dimensional electromagnetic (EM) mode occurring at the interface of noble metals whose amplitude exponentially decay down to zero when going away from the boundary of the metal. In the last five decades, the investigation is done related to understanding of the excitation of SPPs and their interaction with the features related to the surface of metals. The dispersion of light from the nanostructured …
Published in International Journal of Energetic Materials · Vol. 5, Issue 1, 2019 · pp. 21–35 Read article
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Value Addition of Quartz Gemstones through Gamma Irradiation
Abstract: Color enhancement of gemstones through gamma irradiation is an established technology throughout the world. By value addition, the traders earned manifold prices to these colorless stones as compared to the fresh ones. For the color enhancement of these semi-precious stones, optimized doses of irradiations are required. To get the optical properties of the stones and to investigate the crystal lattice and chemical composition, X-Ray diffraction (XRD) and energy dispersive X-ray …
Published in International Journal of Energetic Materials · Vol. 5, Issue 2, 2019 · pp. 61–67 Read article
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Study on Metal Corrosion in Soil Environment of Edo State in Niger Delta Area, Nigeria
Abstract: Impact of sandy soil obtained in Edo State on metal corrosion was investigated having in mind that corrosion of metal is an issue of concern as well as has been a major problem in various fields of engineering operation, particularly in environment of Niger Delta area of Nigeria. Experimental approaches were conducted to examine metal corrosion in soil of selected environment of Edo State in Niger Delta area of Nigeria. …
Published in International Journal of Energetic Materials · Vol. 6, Issue 2, 2020 · pp. 37–48 Read article
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Evaluation of Corrosion kinetics of zirconium dioxide dispersion strengthened Aluminium metal matrix composites
Abstract: The corrosion kinetics of Aluminum 7068-Zirconium dioxide composites is a major aspect for assessing the capability of utilizing the materials for aviation segments. Aluminum 7068 matrix is a particular class of composite which is known for its high strength characteristics even in critical situations and is utilized as a part of aerospace, automobile and ordinance applications. However the investigations on impact of reinforcements, for instance zirconium dioxide on corrosion conduct …
Published in International Journal of Metallurgy and Alloys · Vol. 4, Issue 1, 2018 · pp. 9–23 Read article