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459 articles for “24”
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Exploring the Influence of SS 316L Nanoparticle Integration on the Flexural Strength of PMMA
Abstract: In the present study, a nano composite PMMA was prepared with the help of hot plate magnetic stirring and probe sonication at different loading conditions of nano sized reinforcement material SS 316L. In order to study the effect of independent factors (the amount of reinforcement material, stirring speed, and sonication time) on response variable (flexural strength), the central composite experimental design of response surface methodology (RSM) was utilized. The analysis …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 75–83 Read article
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Supercapacitor-Battery Hybridization to Prevent Battery Life for Pulsed Load Applications
Abstract: Management of power in the pulsed load applications has become a significant issue when it comes to the battery backup systems. For the pulsed load applications, deep discharge of the battery and battery health problems are very well known. In this paper, an attempt is made to overcome these key challenges by connecting a high power density device, ultracapacitor (super capacitor) in parallel with the battery. The role of ultracapacitor …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 1, 2018 · pp. 1–15 Read article
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Return on Investments and Payback Period Calculations for Solar Rooftop Power Plants: A Case Study for Gujarat, India
Abstract: Solar roof-top and ground-top systems are proven technology now-a-days. The roof-top systems are becoming popular in residential, commercial and industrial consumers. This paper deals with payback period calculations for 1 kW and 2 kW domestic and 15 kW industrial users at Rajkot, Gujarat, India. Different solar PV investment models are discussed here in this paper. Actual solar power generation data, as well as the project data for the different sites, …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 1, 2018 · pp. 24–28 Read article
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Comparison of Speed Control of PMSM using Adaptive Fuzzy Logic Controller and PI Controller
Abstract: Permanent Magnet Synchronous Motors (PMSM) are widely used in low and mid power applications such as computer peripheral equipment, robotics, adjustable speed drives and electric vehicles. The growth in the market of permanent magnet motor drives has demanded the need of simulation tools capable of handling motor drive simulations. Simulations have helped the process of developing new systems including motor drives, by reducing cost and time. In a closed loop …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 3, 2018 · pp. 24–30 Read article
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Implementation of Real Time Pricing in Deregulated Power Sector
Abstract: This paper proposes an approach for implementation of Real Time Pricing in deregulated power sector. In this paper, combined model consisting of the pool, bilateral and multilateral transaction of deregulated power sector has been considered. In deregulated power sector, power schedule is decided 24 h ahead of real market but some of the market participants are diverted from their commitments regarding either supply of scheduled generation or withdrawal of scheduled …
Published in Journal of Power Electronics and Power Systems · Vol. 4, Issue 1, 2014 · pp. 25–36 Read article
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The Effect of Methanol on 512 Methane Hydrate Cage Cluster ¬– A Molecular Dynamics Study
Abstract: Molecular dynamic simulation study of methane hydrate cluster having 27 methane encapsulated pentagonal dodecahedron (512) hydrate cage with and without presence of eight methanol molecules in supercell has been performed to evalute the effect of methanol on the stability and formation of methane hydrate cluster. Methanol is found to act as an effective methane hydrate inhibitor below 30 atm pressure for 240 K and below 90 atm pressure for 250 …
Published in Journal of Petroleum Engineering & Technology · Vol. 4, Issue 2, 2014 · pp. 16–24 Read article
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Physicochemical Characterization of Niger crude for processing and transport
Abstract: Niger crude oil physic chemical properties which influence it processing and flow behavior was investigated in this study. The bulk characterization includes specific gravity, viscosity, pour point, freezing point, wax content, sulfur content, SARA fraction and the Colloidal Instability Index analyses. Results indicate that the crude oil is paraffinic, light and sweet with high wax content (24.8%).The rheological behavior studied from the viscosity variation show that it is very viscous …
Published in Journal of Petroleum Engineering & Technology · Vol. 10, Issue 2, 2020 · pp. 38–43 Read article
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Firm Specific Determinants of Profitability of SSE in Bahir Dar, Ethiopia
Abstract: Poverty and unemployment are critical issues that Ethiopia is struggling to combat through the injection of Small Scale Enterprises (SSE). There has been a growing awareness that SSEs are important for economic growth for both developing and developed countries. They are seen as the engines of employment, alleviating poverty and improving equality. SSE development was identified as a priority in creating jobs with the intention of addressing unemployment and poverty …
Published in Journal of Production Research & Management · Vol. 7, Issue 1, 2017 · pp. 26–35 Read article
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GaN-based Double Gate MOSFET (DG-MOSFET)
Abstract: AbstractGaN is auspicious for high-power, high-temperature devices because of its large bandgap, and high saturation velocity compared with Si. Gallium nitride (GaN) based devices are expected to play an important role to develop the next-generation devices. The performance of GaN-based double gate (DG) MOSFETs have been explored with gate length (Lg) 10.6 nm. The ON-current (ION) and OFF-current (IOFF) are found to be 8.11´10–3 and 6.38605´10–9A/µm respectively, respectively with an …
Published in Journal of Semiconductor Devices and Circuits · Vol. 5, Issue 3, 2018 · pp. 24–28 Read article
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Seismic Analysis of Vertically Regular and Irregular Building with and without Soft Storey at Different Levels
Abstract: AbstractFor fulfilling functional requirement of community like parking lots, lobbies etc. and increasing unbalance of required area to availability, it is necessary to provide open storeys without brick infill in both types of buildings, that is, in commercial and residential buildings. Open storeys without brick infill, reduce stiffness and also load exhibits higher stress on load carrying members. Present analytical study has been done to find out performance and evaluation …
Published in Journal of Structural Engineering and Management · Vol. 4, Issue 3, 2017 · pp. 24–30 Read article
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Comparative Study of Seismic Performance of Conventional Tube Structures and Diagrid Structure
Abstract: AbstractConstruction of tall building is rapidly increasing throughout the world. Advances in construction technology, structural systems, analysis and design software facilitated the growth of the buildings. Recently, the diagrid structural system has been widely used for tall buildings due to the structural efficiency and aesthetic potential provided by the unique geometric configuration of the system. The “diagrid” is a combination of the two words i.e. diagonal and grid which form …
Published in Journal of Structural Engineering and Management · Vol. 5, Issue 1, 2018 · pp. 32–38 Read article
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Compressive and Tensile Behavior of Lime Added Geopolymer Concrete.
Abstract: Concrete is the most used material, which required large quantities of Ordinary Portland Cement (OPC). OPC production is held responsible for some of the CO2 emissions, which polluted the atmosphere. Hence, it is inevitable to find an alternative material to OPC. Geopolymer concrete is a best alternative which shall be produced by the chemical action of inorganic molecules. This paper focuses fly-ash based Geopolymer concrete with addition of lime. In …
Published in Journal of Structural Engineering and Management · Vol. 6, Issue 3, 2019 · pp. 1–11 Read article
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Combined Effect of Welding Speed and Tool Pin Profiles on Tensile properties of FSWAA6061-T6 Joint
Abstract: Friction stir welding is a solid state welding process for joining two similar and dissimilar materials, in which non-consumable tool with rotary motion along with transverse motion with intimate contact to weld coupon generates sound joint. In this study, tool rotation speed, tool travel speed and tool pin profile are taken to know their effect on mechanical properties of AA6061-T6. The main objective for this research is to evaluate the …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 4, Issue 1, 2017 · pp. 24–31 Read article
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Silver Particles coating on polypropylene matrix for bacterial filter property
Abstract: Silver particles have a wide range of biomedical applications, including their use as drug. In this paper, we report on the synthesis of silver particles using crude aqueous extract of Manihot esculenta leaf extract. Two different (conventional stirring and ultrasonic) methods were employed in the reduction of AgNO3 process. Native extract as well Ag colloidal extract were checked cytotoxicity against Human Cervical Carcinoma cell. The anti cancer results achieved excellent …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 7, Issue 3, 2020 · pp. 16–25 Read article
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Remote Sensing to Process for Information
Abstract: AbstractRemote sensing ever procuring sensibility acted from atmospheric windows to vary radiation waves mm ranges from thermal status to gigahertz from radio detection and ranging (RADAR). Natural electromagnetic waves have originated formation of passive sensor and artificial emissions origin active sensor. Aerial photography of civil engineering has prompting rescues from satellite imagery. Individual pixel analysis from focused regime scoped analytical methods to origin knitted full image special pattern. Evolution of …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 6, Issue 3, 2019 · pp. 24–30 Read article
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Circular Retiming technique to design Optimized Least Mean square architecture for adaptive filter
Abstract: Circular retiming improves performance and power consumption of the Least Mean Square (LMS) adaptive filter. It is implemented for weight updated block and error computational block to minimize the adaptive filter error without violating the functional equivalence output. Here, filter multiplication block is updated in a circular convolution format and is retimed to reduce the dynamic power consumption. Additional retime flip-flops shows better performance result compared with the existing state-of-the-art …
Published in Journal of VLSI Design Tools and Technology · Vol. 8, Issue 3, 2018 · pp. 1–9 Read article
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Hybrid CMOS-SET Inverter Design for Improved Performance using Tied Body-backgate Technique
Abstract: Single-electron transistors (SETs) are an attractive candidate for future functional elements in LSIs, because of their low-power consumption and small size. Integration of current CMOS technology with the emerging SET devices is an effective approach for improving density of integration in VLSI chips and ensuring ultra low power dissipation along with the advantages of CMOS technology like high gain, current drive, speed and matured fabrication technology. This paper investigates hybrid …
Published in Journal of VLSI Design Tools and Technology · Vol. 5, Issue 1, 2015 · pp. 24–29 Read article
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Comparative Analysis of Class-AB Voltage Follower using DTMOS Transistor
Abstract: This paper describes a topology of voltage follower Class-AB Voltage Follower like Translinear voltage follower using MOS and DTMOS Transistor. The circuits are simulated in 90 nm technology. The results are used to compare the performance of the above voltage followers. All analysis was supported by the simulation results. The analysis are made in terms of gain, bandwidth and transient response using ELDO spice, IC station and Design architect of …
Published in Journal of VLSI Design Tools and Technology · Vol. 5, Issue 2, 2015 · pp. 64–70 Read article
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Tuning Range, Phase Noise and Jitter Analysis of Current Starved Voltage Controlled Oscillator (VCO) for Digital PLL in 45 nm CMOS Technology
Abstract: A wide tuning range, low phase noise and low jitter 100 MHz Voltage-Controlled Oscillator (VCO) for DPLL was designed and implemented by 45 nm CMOS process technology using LT spice. There was a relation between the frequency tuning range, phase noise, and jitter at output of the VCO after linearizing the gain. Simulations using PTM 45 nm CMOS process technology shows, that a wide operation frequency range (tuning range) from …
Published in Journal of VLSI Design Tools and Technology · Vol. 5, Issue 2, 2015 · pp. 81–89 Read article
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A Novel 4:1 Multiplexer Design using Power Minimization Technique based Domino Logic
Abstract: Domino circuits are widely used these days in the design of modern-day microprocessors because of their high speed and less area overhead compared to static logic style. In this paper, a new domino-based 4:1 multiplexer circuit has been designed which finds extensive use in register files and execution units where large amounts of data have to be broken into smaller chunks so that the processor can manipulate it more easily …
Published in Journal of VLSI Design Tools and Technology · Vol. 3, Issue 3, 2013 Read article