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1974 articles for “investigations” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Report on the Novel Electrical Characteristics of Microelectronic High Electron Mobility Transistors to Establish a Low-Cost Microelectronics Laboratory in the National Institute of Technology Arunachal Pradesh
Abstract: AbstractIn this work, total 22584 individual simulation-outputs are reported according to the performed simulation-studies on the microelectronic AlGaN/GaN high electron mobility transistors (HEMTs). This series of simulation work has been performed using the SILVACO-ATLAS software tool on the basis of already established theories related to the semiconductor-physics of HEMTs. In this work, the drain characteristics are investigated with respect to the aluminium mole fraction, drain voltage, gate voltage, gate length …
Published in Journal of Semiconductor Devices and Circuits · Vol. 4, Issue 2, 2017 · pp. 6–28 Read article
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Impact of Source/Drain Engineering on Performance of Single Gate and Dual Gate Junctionless MOSFET
Abstract: Abstract: This letter is the study on impact of source/drain engineering on Single Gate (SG) and Dual Gate (DG) Junctionless MOSFET. Both the proposed MOSFET have Gate Stacking and highly doped source/drain region, so name suggested is Highly Doped Source Drain Gate Stack Junctionless (HDSD-GSJL) MOSFET. Here we investigate the effect of highly doped source/drain, gate stacking and double gate on junctionless MOSFET. The investigation is performed in relations of …
Published in Journal of Semiconductor Devices and Circuits · Vol. 6, Issue 1, 2019 · pp. 10–14 Read article
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Performance Analysis of Fully Flexible Organic Humidity Sensor with Top-Contact and Bottom-Contact OTFTs
Abstract: Abstract: Organic field-effect transistor (OFET) based humidity sensors are extensively used nowadays due to their low cost, mechanically flexible and compatibility with lower temperature fabrication techniques that support the plastic substrate based device and circuit applications. This paper investigates the humidity dependence of performance of organic humidity sensor with Top-Contact and Bottom-Contact OTFTs. Subsequently, impact of channel length on sensor performance is analyzed. The humidity sensitivity of organic sensor drain …
Published in Journal of Semiconductor Devices and Circuits · Vol. 6, Issue 1, 2019 · pp. 26–34 Read article
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DC and RF Analysis on Specific Quantum-Well Heterostructures
Abstract: Polarization-graded AlGaN back-barrier nano-layer is introduced in high electron mobility transistor (HEMT) structure to have an improved drain current characteristics and better radio-frequency performance, using two-dimensional drift-diffusion simulation by SILVACO-ATLAS physical simulator. In this work, the AlGaN/AlN/GaN/AlGaN/GaN double heterojunction HEMT structure is optimised with graded back barrier layer to study the DC and RF performances. Investigation of this structure with graded back barrier layer is the novelty of this work. …
Published in Journal of Semiconductor Devices and Circuits · Vol. 9, Issue 1, 2022 · pp. 1–13 Read article
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UTILIZATION OF WASTE MARBLE SLURRY AND GLASS POWDER IN CONCRETE
Abstract: ABSTRACT In day by day increasing the pollution & cost of cement and sand their replacing material is necessary. In this investigation marble slurry and glass powder was used as a partial replacing material. The proportion of glass powder was 5-25% in interval of 5% by total weight of cement and marble slurry 10-50% in interval of 10% by total weight of sand. This study investigates the performance of concrete …
Published in Journal of Structural Engineering and Management · Vol. 5, Issue 1, 2018 · pp. 5–10 Read article
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A Review Study on Dynamic Analysis of Multistoreyed Buildings by using Seismostruct Software
Abstract: Civil Engineering structures are designed to withstand environmental forces like earthquake, along with gravity loads. These forces are random and dynamic in nature. Therefore the response of the structure is also dynamic and that is what causes the unsafe and uncomfortable conditions. So, performance based analysis of the structure is required which can be achieved by Incremental Dynamic Analysis (IDA) as well as Response Spectrum analysis (RSA). But, Incremental dynamic …
Published in Journal of Structural Engineering and Management · Vol. 5, Issue 2, 2018 · pp. 53–63 Read article
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Effect of Partial Fixity on Negative Bending Moments in RCC Frames
Abstract: This paper presents the variation of bending moments in the RCC frames structure for different ratios of moment of inertia of the column and the beam (IC/IB). In this study, three different cases of frames structure are considered e.g. the first case is single bay single storey to single bay five storied frames structure, the second case is two bays single storey to two bays five storied frames structure and …
Published in Journal of Structural Engineering and Management · Vol. 4, Issue 1, 2017 · pp. 73–80 Read article
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Comparative Study of Seismic Performance of Multistory Symmetrical RC Frame Structure with and Without Dampers
Abstract: This paper investigates the influence of friction dampers on the nonlinear seismic performance of multistory structure. The operational mechanism of these devices is that a large amount of energy inputting to the structure could be absorbed and the displacement of the structure is reduced. For this purpose, four types of frames are investigated with dampers at different locations. Three types of natural time histories are used for the nonlinear seismic …
Published in Journal of Structural Engineering and Management · Vol. 4, Issue 2, 2017 · pp. 1–5 Read article
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Development of Controlled Concrete by using Hypo Sludge
Abstract: Over 300 million tones of industrial wastes are being produced per annum by chemical and agricultural process in India. These materials pose problems of disposal and health hazards.The wastes like phosphogypsum, fluorogypsum and red mud contain obnoxious impurities which adversely affect the strength and other properties of building materials based on them. Out of several wastes being produced at present, the use of phosphogypsum, flurogypsum, lime sludge, hypo sludge, red …
Published in Journal of Structural Engineering and Management · Vol. 1, Issue 1, 2014 · pp. 16–21 Read article
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Bond Response of RCC Cube by using Glass Fiber Reinforced Polymer Bar
Abstract: The results of an experimental examination into the flexural and bond characteristics of Glass fibre reinforced polymer material in structural concrete are presented in this paper. In this study, glass fibre reinforced polymer bars of varied diameters were used. The performance of these bars with full and partial steel bar replacement is investigated. The major goal of this inquiry is to use Glass fibre reinforced polymer bars in water retaining …
Published in Journal of Structural Engineering and Management · Vol. 8, Issue 3, 2021 · pp. 1–6 Read article
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Effects of Carbon Fiber on Strength of Concrete
Abstract: Experimental investigations were carried out to evaluate the effect of carbon fibers on strength of concrete. The concrete mix of M-25 grade was considered and produced by replacing carbon fibers with cement. Modified concrete is produced by adding carbon fibers with various percentages as 0 to 0.6% at an interval of 0.2% with 10 and 20 mm in length. The compressive and flexural strengths are considered for investigations. Cube of …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 3, Issue 3, 2016 · pp. 1–8 Read article
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Efficiency Measurement of Solar PV Panels
Abstract: With increasing awareness and technology developments, we strive to achieve a greener approach to energy production. Solar panels that use PV cells are popular for converting solar power into electricity. One of the problems in using PV cells to extract energy from sunlight is the temperature effect on PV cells. As the solar panel is heated, the conversion efficiency of light to electrical energy is diminished. Because solar panels can …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 3, Issue 3, 2016 · pp. 13–30 Read article
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Molebdate as Corrosion Inhibitor for Aluminium 356 In Acidic and Saline Media
Abstract: Corrosion processes are the cause of significant losses in industry. Organic, inorganic, and mixed material inhibitors have all been used to resist corrosion for a long time, but the environmental toxicity of organic corrosion inhibitors has driven a quest for inorganic corrosion inhibitors. The effect of molybdate as a new corrosion inhibitor on the corrosion of aluminium 356 in acidic and saline conditions was investigated using electrochemical and weight loss …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 9, Issue 1, 2022 · pp. 39–47 Read article
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Optimization Study by Response Surface Methodology and Artificial Neural Network on the Culture Parameters of Citric Acid Bioproduction from Sweet Potato Peels
Abstract: In the cause of this research work, two steps enzymatic hydrolysis of sweet potato peel was carried out respectively. The effect of α-amylase dose, reaction time, and reaction temperature and biomass weight on glucose concentration was investigated carefully. The response surface methodology (REM) predicted the highest reducing sugar concentration at liquefaction to be 74 g/L, at the following optimized conditions; temperature of 45°C, α-amylase dose 0.7 %v/v, biomass weight 22.345 …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 9, Issue 1, 2022 · pp. 30–38 Read article
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Studies on Removal of Coomassie Brilliant Blue R250(CBB) dye Usingligninas Adsorbent
Abstract: Coomassie brilliant blue R-250 (CBB), an organic dye present in wastewater effluent, affects environment by reducing the photosynthetic activity in aquatic ecosystems. CBB must be eliminated from effluent as a result. In the present study, lignin was utilized as a low-cost bio adsorbent for the removal of CBB dye employing an adsorption technique in order to minimize pollution caused by CBB dye. By studying the effect of several parameters includes …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 9, Issue 3, 2022 · pp. 9–19 Read article
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Effect of Sol-Gel Coating on Fire Performance and Optical Properties of Wood Panels
Abstract: Investigates the impact of sol-gel coating on the fire performance and optical properties of wood panels.SEM, EDX, and infrared spectroscopy with the Fourier transform were used to characterize the sol-gel coating, which was put on to the wood panels using a dip-coating technique. The fire performance of the coated and uncoated wood panels was evaluated by measuring the ignition time, flame spread rate, and total heat release rate. The optical …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 10, Issue 1, 2023 · pp. 20–24 Read article
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Evaluation of Petroleum Hydrocarbon Characteristics on Temperature Effect in Packed Bed on the Concept of Adsorbent Comparison
Abstract: Petroleum hydrocarbon treatment in a contaminated water medium was examine using different adsorbents made of plantain stem fibre, banana stem fibre and palm oil fibre obtained in Obite community in Ogba/Egbema/Ndoni Local Government Area of Rivers State of Nigeria. The three different materials were processed and prepared as an adsorbent for the purpose of treatment of contaminated water medium with petroleum hydrocarbon. The comparison of the adsorbents was monitored with …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 10, Issue 3, 2023 · pp. 25–37 Read article
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Cyber Security of Critical Infrastructure
Abstract: This study provides a political analysis and evaluation of the benefits brought by critical security in cyberspace. It shows the limits of cybersecurity in national security, the use of artificial intelligence and investigative ethics to protect critical infrastructure. Previously investigated and discusses cybersecurity value conflicts and ethical issues in national security by analyzing data from data dating back to 2016. Along with this, it also includes a medical review of …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 10, Issue 2, 2023 · pp. 46–51 Read article
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Design of Slew Aware Clock Distribution Network for Ultra Low Power Sub-threshold Applications
Abstract: Clock distribution network consumes significant amount of power due to its high switching activity. The high power consumption issue can be satisfactorily addressed by the sub-threshold operation of device, however at the cost of degraded performance and magnified variability. This paper investigates the suitability of conventional clock distribution network for sub-threshold regime and proposes a novel strategy of having an optimized uniform H-tree with a pair of buffer only at …
Published in Journal of VLSI Design Tools and Technology · Vol. 9, Issue 1, 2019 · pp. 22–37 Read article
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Analysis of Six-Pulse Bridge Circuits Including Zener and Semiconductor Diodes Part One
Abstract: This paper addresses the analysis of electronic bridge circuits including Zener and/or semiconductor diodes. The analysis is based on recently suggested models for these diodes. A compact Mathematica code written in the Versions 7.0, 11.3 and 12.2 simulating a six-pulse rectifier bridge circuit is then derived and mathematically implemented. It investigates the time-domain transient and steady-state analysis of several representative case studies. In principle, the computer simulation can yield the …
Published in Journal of VLSI Design Tools and Technology · Vol. 12, Issue 1, 2022 · pp. 14–22 Read article