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1940 articles for “dynamism” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Dynamic Integration and Control of Fixed-Sp eed Wind Generation System with Multimachine System
Abstract: Since the average life of a wind generator is about 20 years, many of the wind systems will be employingconventional fixed-speed cage generators in spite of the superiority of the variable-speed devices. As theextent of wind integration continues to grow, the wind parks may need to be integrated with AC power grids.The integration to grids, particularly to weak ones, may give rise to transient conditions detrimental to boththe asynchronous as …
Published in Journal of Power Electronics and Power Systems · Vol. 1, Issue 1-2-3, 2011 · pp. 14–27 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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Dynamic Analysis of the Proposed Bi-directional Converter for Charging and Discharging Operation
Abstract: AbstractThis paper proposes a fifth order bi-directional converter configuration with low current ripple on either side as well as good voltage conversion range having only three switches. This converter is implemented for load power levelling between a DC grid and secondary batteries. A comparative study of proposed topology with widely used bi-directional converter configurations is made and relative merits and demerits are pointed out. With state-space and discrete-time modelling techniques, …
Published in Journal of Semiconductor Devices and Circuits · Vol. 4, Issue 2, 2017 · pp. 41–51 Read article
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Non-Linear Dynamic Analysis of High-Rise Flat Slab Structure with Various Lateral Load Resisting System: Indian Scenario
Abstract: In this technological era, the construction of high-rise flat slab structure is increasing everywhere, due to its major advantages over a conventional beam slab structure. Due to the poor performance of high-rise flat slab structure in higher seismic zones, IS 1893 (Part 1): 2016 discourages the use of flat slab structure in higher seismic zones. The use of high-rise flat slab structure in high seismic region is a risk, because …
Published in Journal of Structural Engineering and Management · Vol. 9, Issue 2, 2022 · pp. 1–12 Read article
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A New TGC-Differential Input Stage to Modify Dynamic Comparator
Abstract: As the technology rapidly scaling down, the escalating demand for higher accuracy is putting a heavy pressure to find ways to get rid of one of the major issues among present day dynamic comparators i.e. random offset voltage generation. A number of offset calibration techniques have been presented to resolve this issue. It has become an important concern to analyze these techniques for scaled down technology nodes to cop up …
Published in Journal of VLSI Design Tools and Technology · Vol. 6, Issue 2, 2016 · pp. 74–85 Read article
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Influence of Wind Braces on the Dynamic Performance of an Industrial shed Integrated with Gantry Crane of Different Capacities
Abstract: Linear structural analysis of industrial sheds often neglects ascendancy of different structural elements over the dynamic performance of the shed. A slight variation in the structure may introduce huge steel demand or it can reduce the demand to a considerable extent. This research paper studies the non-linear response of an industrial shed equipped with gantry cranes of different capacities and different structural systems. The influence of these elements has been …
Published in Recent Trends in Civil Engineering & Technology · Vol. 11, Issue 1, 2021 · pp. 73–80 Read article
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An Elementary Analysis on Ventilated Helmets Using Computational Fluid Dynamics
Abstract: AbstractThis paper focuses on the elementary analysis of a motorcycle helmet using computational fluid dynamics (CFD). The designs of the helmet chosen for the analysis are open face, closed face, and open face with human skull inside. The analysis was done on various speeds of airflow. However, in this paper we will be giving a more generalized idea considering only one velocity of the airflow. We used ANSYS (fluent) for …
Published in Recent Trends in Fluid Mechanics · Vol. 5, Issue 2, 2018 · pp. 1–12 Read article
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Dynamic Comparators for Very High-Speed ADC’s
Abstract: The need for ultra- low power and space economical analog –to- digital converters (ADCs) is pushing towards the utilization of low voltage CMOS dynamic comparators to maximise the facility potency and speed. the traditional dynamic comparators have options like high input ohmic resistance, no static power dissipation and sensible strength against noise and couple. the downside is that giant numbers of transistors are accustomed minimize the offset, therefore the speed …
Published in Recent Trends in Fluid Mechanics · Vol. 8, Issue 3, 2021 · pp. 32–45 Read article
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An Interline Dynamic Voltage Restorer (IDVR) to Mitigate Voltage Sags
Abstract: Nonlinear load are the vast source for voltage sags. Loads such as arc furnace, large variable frequency drives (VFD) Voltage interruptions can cause severe economic loss to the power system. To protect sensitive loads at the consumer side generally a DVR (dynamic voltage restorer) can be used. DVR is connected in series with the line by injection transformer and it is generally located at the distribution side. DVR is basically …
Published in Trends in Electrical Engineering · Vol. 7, Issue 1, 2017 · pp. 1–7 Read article
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Handoff Call Queuing in Distributed Dynamic Channel Allocation Strategy
Abstract: ABSTRACT It is important to utilize the channels very efficiently in cellular system as these channels are meager. In this paper, A Distributed Dynamic Channel Allocation (DDCA) strategy is applied for channel allocation in 9-cell system having non-uniform traffic. Square shape cells with nine cell cluster size have been considered for model development with GSM 1800 specification. The model also considers fixed channel reservation (5–15% of total channel per cell) …
Published in Journal of Communication Engineering & Systems · Vol. 2, Issue 2, 2012 · pp. 14–25 Read article
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Advanced Dynamic Source Routing Protocol Based on Cuckoo Search Algorithm for Performance Enhancement in MANETs
Abstract: In this paper, a cuckoo search (CS) algorithm based advanced dynamic source routing (ADSR) protocol is proposed to identify and anticipate selective black hole attack or gray hole attack in MANETs. The nature inspired cuckoo search algorithm aids in finding new solutions that can be substituted for the existing ones if found superior. The simulation results show that the use of cuckoo search algorithm with ADSR protocol gray hole attack …
Published in Journal of Mobile Computing, Communications & Mobile Networks · Vol. 7, Issue 1, 2020 · pp. 1–6 Read article
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Dynamic Data Flow Based Spatial Sorting Method for GPUs: Software Based Autonomous Parallelization
Abstract: The direct communication between distant parts of a computer system for a mesh or grid based scalable parallel system isn't cost effective. Thus, we have presented and evaluated the performances of spatial sorting method for multi-core GPUs (Graphic Processing Unit) computing. It is a parallel sorting algorithm for autonomous threading of workload which is considerably faster than Thrust Merge sorting, which is known to be the best comparison based sorting …
Published in Recent Trends in Parallel Computing · Vol. 1, Issue 2, 2014 · pp. 11–14 Read article
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Dynamic Analysis of a Switched Boost Converter Singular System using Mehtod-Rachid Algorithm
Abstract: Electronics technology is a very dynamically evolving technology as compared to any other domains. The advent of these changes is forcing us to relook at the conventional physics, and mathematical models related to switching systems in particular or singular systems in general. Mostly we always drive system characteristics assuming a singular system to be linear. Singular systems are those the dynamics of which are governed by a mixture of algebraic …
Published in Research & Reviews: Discrete Mathematical Structures · Vol. 1, Issue 3, 2014 · pp. 1–4 Read article
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Dynamic Performance Analysis of Non-metallic Spur Gear subjected to Variable Loads and Speeds
Abstract: The thrust for design and development of nonmetallic gear results in fabrication of inexpensive cement reinforced polypropylene based composite material spur gear. In this work, several experiments are conducted under variable loads and speeds and subsequently the resulting effect of heat emission on the performance of the gear is analyzed. A laboratory made gear test-rig is modified and suitably retrofitted; while pure polypropylene and 10 wt% cement reinforced spur gears …
Published in Trends in Machine design · Vol. 2, Issue 3, 2015 · pp. 1–19 Read article
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Nonlinear Three Dimensional Dynamic Analysis of Titanium Drilling Riser
Abstract: Titanium alloys are selected for a high-pressure drilling riser’s application due to its high specific strength, corrosion resistance, and favorable elastic properties. The qualification of this titanium alloy requires assessing its resistance to hydrogen embrittlement and stress corrosion cracking due to seawater with/without cathodic protection, evaluating its dynamic response under long crested random sea. The response analysis is based on a simulation technique which duly considers the various nonlinear effects …
Published in Journal of Offshore Structure and Technology · Vol. 2, Issue 2, 2015 · pp. 27–40 Read article
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Study on Land Use/Land Cover Change Dynamics through Remote Sensing and GIS – A Case Study of Kamrup District, North East India
Abstract: The study describes the land use and land cover dynamics in Kamrup district of Assam from 1991 to 2011 using remote sensing and Geographical Information System (GIS). Satellite remote sensing and GIS acts as an effective approach for analyzing the direction, rate and spatial pattern of land use dynamics. Landsat-TM and ETM+ for the period 1991, 2001 and 2011 were used to prepare the land use/land cover (LULC) map for …
Published in Journal of Remote Sensing & GIS · Vol. 5, Issue 1, 2014 · pp. 55–62 Read article
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Static and Dynamic Analysis on 5-Blade Marine Propeller
Abstract: Ships and underwater vehicles like submarine and torpedoes use propeller for propulsion. In general, propellers are used as propulsions and they are also used to progress significant plunge to propel the vehicle at its operational speed and RPM. Much has been said and published on the development of the marine propeller from the time of antiquity to the present age, but there is more to be done. This paper describes …
Published in Journal of Aerospace Engineering & Technology · Vol. 8, Issue 3, 2018 · pp. 14–25 Read article
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Land Use/Land Cover Change Dynamic of Bokaro District, East India Using Remote Sensing and GIS Techniques
Abstract: Land, sometimes referred to as dry land, is the solid surface of Earth that is not permanently covered by water. The study describes the land use and land cover (LULC) dynamics in Bokaro district at Jharkhand from 1991 to 2011 using Remote Sensing and Geographical Information System (GIS). Whatever, human activities is invented or generated begins from LAND. Therefore, its uses and disintegration by human throughout the period of time …
Published in Journal of Remote Sensing & GIS · Vol. 9, Issue 3, 2018 · pp. 16–22 Read article
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Influence of Different Mulches on Weed Dynamics and Yield of Cucumber (Cucumis sativus cv. Malini) in Chitwan, Nepal
Abstract: AbstractAn experiment was conducted to study the effect of mulching materials on weed dynamics and yield characters of Malini variety of cucumber under drip irrigation condition during Feb to May 2018 in Chitwan district, Nepal. The experiment was laid in one factor Randomized Complete Block Design (RCBD) with 4 replications. Four different mulching materials- silver on black polyethylene mulch, black polyethylene mulch, rice straw mulch and rice husk mulch were …
Published in Research & Reviews : Journal of Agricultural Science and Technology · Vol. 9, Issue 1, 2020 · pp. 23–29 Read article
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Studies on Dynamics of Post-Kharif Rice Fallows Using Remote Sensing and Geographic Information Techniques in India
Abstract: India has largely become self-sufficient in food grain production at macro level. However, the mismatch between the demand and supply, imbalance in food grain components, declining growth rate of food grain yields especially in cereals, pulses, oilseeds, rice, and wheat in the last decade add to the woes of malnutrition and food security problems. The rice, wheat and pulse crops constitute the main components of food security mission. Optimal utilization …
Published in Research and Reviews : Journal of Crop science and Technology · Vol. 2, Issue 1, 2013 · pp. 19–28 Read article