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1205 articles for “dense”
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Solutions to Problems Faced in Well Log Analysis in fractured metamorphic Reservoir Systems Due To Multiple Porosities and Lithology’s
Abstract: Metamorphic rocks are the most bottomless non-terrigenous sedimentary rock and are made essentially out of transformative minerals. Most metamorphic rocks shape from calcareous stores that collect in marine conditions running from salt marshes to reefs to profound sea bowls. Unmistakable and one of a kind parts of transformative rocks are their dominatingly intrabasinal starting point, their essential reliance on natural exercises for their constituents and their powerlessness to change by …
Published in Journal of Petroleum Engineering & Technology · Vol. 9, Issue 1, 2019 · pp. 36–42 Read article
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Polystyrene Plastic Waste into Liquid Fuel Using Silica-Alumina Catalyst, Extracted from Rice Husk
Abstract: Catalytic Pyrolysis of Polystyrene (PS) into fuel like products using silica alumina catalyst that was extracted from rice husk was investigated over temperature range of 430–470°C. The output of catalytic pyrolysis was liquid oil, solid residues (char) and gaseous fraction. The product yields as a function of temperature, time and catalyst amount were studied. High conversion of liquid (48.8%) was achieved at 430 and 450ºC in the presence of 12.5 …
Published in Journal of Petroleum Engineering & Technology · Vol. 10, Issue 3, 2020 · pp. 15–31 Read article
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Diesel Adulteration Detection Using Gaseous Vapor Emission
Abstract: Diesel adulteration is the illegal or unauthorized introduction of foreign substances into pure diesel,causing the product to not conform to the requirements and specifications for use in the Oil and GasIndustry. Current methods to detect diesel adulteration require chemical laboratory experiments tomeasure parameters such as density, API gravity, viscosity, flash point, and evaporation point. Thesemethods require specialized, expensive equipment and cannot be utilized be quickly and readilyemployed at point of …
Published in Journal of Petroleum Engineering & Technology · Vol. 11, Issue 1, 2021 · pp. 69–76 Read article
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Evidence of PDMS-based foam control agent mechanism on crude oil foams
Abstract: Crude oil foam is a frequent problem faced in oil production operations that can cause the reduction of the separator efficiency, separator overflow, carry out of liquid by the gas stream, and other serious problems. Among the techniques used to attenuate foams in crude production, the injection of chemical additives is still considered one of the most efficient. However, the effectiveness of a foam control agent (FCA) is limited to …
Published in Journal of Petroleum Engineering & Technology · Vol. 13, Issue 3, 2023 · pp. 13–23 Read article
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Investigation of Mechanical Properties of Jute and Bamboo Natural Fiber Composites
Abstract: Natural fibers have become increasingly popular in recent decades. Natural fiber composites are also becoming increasingly popular in a various industries, including automobiles, furniture, packaging, construction and sports. Natural fibers have several advantages over synthetic fibers, including low cost, low density, reduced damage to processing equipment, good relative mechanical properties, renewability, and biodegradability. Natural fibers were also introduced with the goal of producing lighter composites, and they have shown a …
Published in Journal of Production Research & Management · Vol. 11, Issue 2, 2021 · pp. 20–33 Read article
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Study of Scaling of MOSFET on Various Electrical Characteristics using Silvaco TCAD Tool
Abstract: MOSFETs are the driving work horse of semiconductor industry. Over the years, the MOSFET device density has been continuously increasing owing to the reduction in channel length of MOSFET device. This article discusses the effect of scaling i.e. channel length and gate oxide thickness on various parameters like threshold voltage, transconductance, maximum drain current and subthreshold slope. It is important to consider that with scaling of the channel length; the …
Published in Journal of Semiconductor Devices and Circuits · Vol. 5, Issue 1, 2018 · pp. 11–19 Read article
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A Review on High Electron Mobility Transistors
Abstract: AbstractThe demand for high speed semiconductor devices is increasing in recent years with the rapid development of the high frequency wireless and fiber optical communication systems. High electron mobility transistor (HEMT) is an important device and an excellent candidate for millimeter, sub-millimeter and microwave applications. Also, these devices have high frequency, high speed, low noise, high breakdown voltage, low cost and other power handling capabilities. Due to these reasons, they …
Published in Journal of Semiconductor Devices and Circuits · Vol. 3, Issue 2, 2016 · pp. 1–10 Read article
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Modeling of In0.53Ga0.47As Quantum Dot Solar Cell
Abstract: AbstractQuantum dot solar cells have received tremendous attention for the next generation solar cell technology in the last decade. This paper exhibits the influence of In0.53Ga0.47As/GaAs quantum dots in a conventional p-i-n GaAs solar cell. The study reveals that insertion of In0.53 Ga0.47As/GaAs quantum dots in the p-i-n solar cell increases the short circuit current density as well as the overall conversion efficiency. When comparing a p-i-n cell with a …
Published in Journal of Semiconductor Devices and Circuits · Vol. 3, Issue 2, 2016 · pp. 27–31 Read article
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Numerical Simulation and Parameter Analysis for Pentacene based Organic thin Film Transistor with HfO2 Gate Dielectric
Abstract: This paper explains 2D numerical simulation and Characterization of Electrical parameter of Pentacene (Organic semiconductor) based Organic thin film transistor (OTFT) devices with HfO2 as a gate dielectric and Electrical parameters including; Threshold Voltage (Vt), Mobility (µ),Ion/Ioff, and Transconductance (gm), Sub threshold slope (SS) are extracted. The numerical simulation includes model for defect density of state and field dependent mobility model.
Published in Journal of Semiconductor Devices and Circuits · Vol. 6, Issue 2, 2019 · pp. 28–34 Read article
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Physical Characterization of New Li-Ion Conducting NASICON Materials in the LI1+2XTA1-XALX+1(PO4)3 System
Abstract: AbstractFabrication of all-solid-state Li battery with non-flammable ceramics electrolyte has been strongly required to overcome safety issues of present Li batteries. One of the promising structures of ceramic electrolyte in solid state battery is the NASICON structure composed of 3 dimensional frameworks (s.g. R-3c). In this study, Li-ion conducting mixed metal phosphate Li1+2xTa1-xAlx+1(PO4)3, L Ta A P-x(x = 0 ~ 0.5) solid electrolyte that possess rhombohedra NASICON structure was prepared …
Published in Journal of Semiconductor Devices and Circuits · Vol. 6, Issue 3, 2019 · pp. 25–32 Read article
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3D Simulation of Multi-Gate Mosfet Analysis for Analog Circuit Design Parameters
Abstract: Chip density and performance improvements of semiconductor devices have been driven by their aggressive scaling. The performance of multi-gate FET for analog applications is explored in this paper. Analog operation of CMOS devices and its parameters are very important for future cutting edge technologies. The multi-gate technology shows excellent scalability and better immunity to short channel effects in MOSFETs. They are being easily assessed for CMOS applications beyond the 45 …
Published in Journal of Semiconductor Devices and Circuits · Vol. 1, Issue 2, 2014 · pp. 1–8 Read article
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Fabrication and Study of Multiwall Carbon Nanotube based capacitor electrodes for Energy Storage Applications
Abstract: Current supercapacitors gift numerous wonderful boundaries that critically inhibit the performance,power, and electric capacitance of strength garage devices. Supercapacitors gift an thrilling prospect that has infinite packages in renewable strength garage and cutting-edge day digital devices. In current years thethrilling improvement of carbon nanotubes (CNTs) has offered a bonus in electrode improvement. CNTs, but useful for his or her improved electrode floor place, have extreme boundaries concerning conductivity and electrode …
Published in Journal of Semiconductor Devices and Circuits · Vol. 8, Issue 3, 2021 · pp. 56–60 Read article
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Enhanced Photovoltaic Performance of Perovskite Solar Cell Using Copper Thiocyanate (CuSCN) as Hole Transport Layer
Abstract: In this study, the SCAPS tool was utilized to examine the efficacy of perovskite solar cells using perovskite materials such methyl ammonium lead Iodide (MAPbX3, MA=CH3NH3, X: I). Quantitative simulation and modeling have been used to determine the electrical characteristics of the MAPbI3 material used for the active layer for a number of parameters, including fill factor (FF), short-circuit current density (Jsc), power conversion rate (PCE), and open-circuit voltage (Voc). …
Published in Journal of Semiconductor Devices and Circuits · Vol. 10, Issue 3, 2024 · pp. 12–18 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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Analytical influence of soil-structure-interaction on structural performance by using ETABS
Abstract: Soil conditions have a great deal to do with damage to structures during earthquakes. Hence the study on the energy transfer mechanism from soils to buildings during earthquakes is critical for the seismic design of multi-story buildings and for upgrading existing structures. Thus, the need for research into soil–structure interaction (SSI) problems is greater than ever. Moreover, recent studies show that the effects of SSI may be detrimental to the …
Published in Journal of Structural Engineering and Management · Vol. 5, Issue 3, 2018 · pp. 1–13 Read article
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Experimental Investigation of Self-Compacting Concrete Using Coir Fiber
Abstract: Concrete is the construction material widely used throughout the world. Construction materials used in the industry should be friendly with the environment during their usage. Self-compacting concrete (SCC) is an innovative concrete that does not require vibration for placing and compaction. It is able to flow under its own weight, completely filling formwork and achieving full compaction, even in the presence of congested reinforcement. The hardened concrete is dense, homogenous …
Published in Journal of Structural Engineering and Management · Vol. 2, Issue 1, 2015 · pp. 6–12 Read article
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Strength and Durability Characteristics of Fiber Modified Asphaltic Bitumen
Abstract: Flexible pavements with bituminous surfacing are widely used in India. Exponential increase in traffic, overloading of commercial vehicles and significant variations in daily and seasonal temperatures have shown some limitations of conventional bitumen performance. Earlydevelopments of distress symptoms like cracking, rutting, raveling, undulations, shoving and potholing of bituminous surfacing have been reported for flexible pavements. Toenhance the properties of road, bitumen is modified by the addition of some waste materials. …
Published in Journal of Structural Engineering and Management · Vol. 2, Issue 1, 2015 · pp. 13–17 Read article
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NDT Studies on Geopolymer Concrete with Addition of Natural Fibers
Abstract: Modern day construction activities are not proved to be enviro-friendly and most of the building materials we use for the construction purpose consumes lot of natural resources and have huge carbon foot print. Innovations in civil engineering industry is also taking place apart from usage of regular materials, once such innovative material that has potential to reduce the carbon foot print is Geopolymer. In our country the research in Geopolymer …
Published in Journal of Structural Engineering and Management · Vol. 1, Issue 2, 2014 · pp. 5–10 Read article
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Comparative Study of Rigid Framed Structure and Tubular Structure
Abstract: India is a developing country and some cities are populated very densely and the population is increasing day by day. Industrialization leads to the migration of people to urban areas from rural areas where job opportunities are prominent. To provide housing space and working space to this extra population there is a need for horizontal development but due to lack of space availability vertical development is needed. Therefore, the demand …
Published in Journal of Structural Engineering and Management · Vol. 8, Issue 2, 2021 · pp. 54–58 Read article
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Effect on tunnel under varied pile loading using finite element analysis
Abstract: Use of underground space is increasing in densely populated cities. Underground excavation required extensive analysis for ground stability and to ensure the performance of a structure. Specific concerns arise during the design of the underground structures, such as the impact of excavation on nearby ground and existing building in the vicinity of excavation. Above ground structures may subject to disturbances due to any underground construction activity. This paper identifies the …
Published in Journal of Structural Engineering and Management · Vol. 9, Issue 2, 2022 · pp. 32–43 Read article