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929 articles for “Simulation and Modeling”
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Detailed Modeling Concepts, Stability Analysis and Emerging Trends in Wind Farm: A Survey
Abstract: Wind is omnipresent and found abundant in nature. This paper deals with an in-depth literature survey of wind energy conversion systems (WECS), their classification, and modeling of various sub-systems of WECS. The control methodologies adopted for transient, voltage, rotor angle, frequency and dynamic stability of WTGs connected to grid to remain within margins, is also studied. In addition to this, different controlling techniques for controlling grid side converter and rotor …
Published in Trends in Electrical Engineering · Vol. 5, Issue 3, 2015 · pp. 89–108 Read article
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Transient Stability Analysis of Power Systems with Static VAR Compensator: A Modeling Perspective
Abstract: Flexible AC Transmission Systems (FACTS) controllers have emerged as a vital tool to overcome the compensation challenges offered by modern power systems. Static Var Compensator (SVC), a type of FACTS controller plays a very important role in enhancing the power system performance, reactive power factor, maintain voltage stability. A thorough review and implementation of SVC with its various configurations is presented in this paper. Performance analyses of SVC and associated …
Published in Trends in Electrical Engineering · Vol. 13, Issue 3, 2023 · pp. 33–47 Read article
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AUTOMOTIVE VALVE-TRAIN COMPONENTS DURABILITY ANALYSIS USING FINITE ELEMENT METHOD APPROACH: A REVIEW
Abstract: An internal combustion (IC) engine valves is poppet valves used to control the flow of air /fuel mixture in the engine and escape of exhaust combustible gases from the engine using intake and exhaust valves respectively. Inside an engine the combustion process majorly depends on timing of Air/Fuel mixture induction and release of gases. Both Intake and Exhaust valve also form a seal between the working space inside the cylinder …
Published in Trends in Machine design · Vol. 5, Issue 1, 2018 · pp. 54–66 Read article
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A New Approach for Cuk Converter for Solar/Wind Hybrid Standalone System
Abstract: The non-conventional energy such assolar photovoltaic system and wind turbine are naturalresources and provides sustainable green energy .Now,Electricity is the most requisite means for man. All theenergy resources are depleting day by day In thecurrent technology , This project could be effective toachieve good prediction accuracy in smart grid usingdifferent weather conditions. It also upgrades thesocioeconomic condition of rural lives. In this articlebasically The wind turbine and solar photovoltaic (PV)are …
Published in Trends in Mechanical Engineering & Technology · Vol. 12, Issue 3, 2022 · pp. 18–28 Read article
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Design of Solar and Wind Power Generation System
Abstract: AbstractIn current year’s generation of electricity victimization, the various kinds of renewable sources square measure specifically evaluated within the economic performance of the overall instrumentality. Solar power and wind power have received considerable attention worldwide. The bestowed methodology is applied to gauge the potential of Solar (photovoltaic) –wind hybrid system to provide electricity for a community and different state. It has helped in reducing pollution and thereby overcoming global warming. …
Published in Trends in Opto-electro & Optical Communication · Vol. 8, Issue 3, 2018 · pp. 8–16 Read article
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Incorporating Mobility to Sensor Networks during Node Failure and Their Analysis for Radio Propagation Models
Abstract: AbstractWireless sensor networks are expected to find wide applicability and increasing deployment in the near future. It consists of spatially distributed autonomous sensors to monitor physical or environmental conditions and to cooperatively pass their data through the network to a main location. The more modern networks are bi-directional, also enabling control of sensor activity. The development of wireless sensor networks was motivated by military applications such as battlefield surveillance, many …
Published in Journal of Communication Engineering & Systems · Vol. 4, Issue 1, 2014 · pp. 29–35 Read article
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Thermo-Hydraulic Performance of a Double-Pipe Double-Pass Heat Exchanger using Annular Fins and Graphite-filled Epoxy Composite Tubes
Abstract: Double-pipe heat exchangers remain one of the most widely adopted thermal devices because of their simple construction, operational reliability, and ease of maintenance. Nevertheless, their performance is often constrained by the limited heat transfer area of smooth tubes and the long-term challenges associated with metallic materials, including corrosion, scaling, and structural weight. Recent advances in thermally conductive polymer composites provide an opportunity to overcome these limitations by replacing conventional metals …
Published in Journal of Polymer & Composites · Vol. 14, Issue 5, 2026 Read article
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Drug Discovery and Design: Focus on computational approaches used in the discovery and design of new drugs
Abstract: Computational approaches have revolutionized the field of drug discovery and design, offering efficient and cost-effective strategies for identifying and developing new therapeutics. This review article explores the application of computational methods in drug discovery, with a focus on virtual screening techniques, molecular docking, molecular dynamics simulations, and quantitative structure-activity relationship (QSAR) models. Virtual screening plays a crucial role in narrowing down large chemical libraries by utilizing ligand-based and structure-based approaches. …
Published in Research and Reviews : Journal of Computational Biology · Vol. 12, Issue 1, 2023 · pp. 26–30 Read article
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Model to Predict a Ratio Control of Hydrocarbon Acid and Water in a Packed Bed Reactor
Abstract: Model development was carried out to examine the ratio of hydrochloric acid gas and water in a packed bed reactor. The research predicted increase in output with increase in time, revealing the effectiveness ratio control of hydrochloric acid separation from water using absorption column mechanism. The density of the products played an active role in the separation process as well as in control action function. The developed model can be …
Published in Emerging Trends in Chemical Engineering Read article
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Feasibility of 3D Printed Temporal Bone for surgical simulation and practice
Abstract: Temporal bone (Ear Bone) has the most complex anatomical structure in body. ENT Surgeons need lot of practice before doing any surgery. Dissecting cadaver temporal bone is best teaching aid available with ENT surgeons, but have several constrains like legal, ethical, religious ground etc., restricts the hands-on dissection training. Availability of cadaver temporal bone is also very limited; it also houses many infectious agents and viruses. With recent advancement in …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 147–154 Read article
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Numerical Investigation of the Osmatic Flow Impact on the Load Recovery and Early Well Performance
Abstract: The complexity of shale system coupled with the mystery of low fracturing fluid recovery has puzzled many researchers. Field reports from hydraulic fracturing operations performed on shale formation have highlighted the low recovery of the fracturing fluid. The fate of the hydraulic fracturing fluid is still controversial issue. However, literature has attributed the low load recovery to either trapping into the natural or created micro-fracture or imbibition to the matrix. …
Published in Journal of Petroleum Engineering & Technology · Vol. 5, Issue 3, 2015 · pp. 52–64 Read article
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AI-Assisted Gain Scheduling for Real-Time Temperature Control in Chemical Reactors
Abstract: Temperature control in continuous stirred-tank reactors (CSTR) represents a critical challenge in chemical process industries due to inherent nonlinearities, time-varying dynamics, and parametric uncertainties. Conventional proportional-integral-derivative (PID) controllers with fixed gains often fail to maintain optimal performance across varying operating conditions, leading to temperature excursions that compromise product quality and safety. This paper presents a novel AI-assisted gain scheduling framework that integrates artificial neural networks (ANN) with adaptive PID control …
Published in Journal of Control & Instrumentation · Vol. 17, Issue 1, 2026 · pp. 24–33 Read article
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Design and Implementation of BLDC Motor Driven Electric Vehicle Using MPPT Controller
Abstract: Minimal and medium power applications benefit greatly from BLDC motor efficiency, high torque-to-inertia ratio, large energy volume, low maintenance requirements and wide speed control range. Resistance found that by deleting phase current sensors and regulating the basic frequency switching of the voltage source inverter (VSI), the proposed control algorithm lowers power losses caused by high frequency switching. With Modern days fuel prices soaring so high for common people, electrical engineers …
Published in Trends in Electrical Engineering · Vol. 12, Issue 1, 2022 · pp. 41–51 Read article
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Design, Verification and Circuit Level Implementation of a Ballistic MOSFET
Abstract: A drain current expression is obtained for a nanoscale ballistic MOSFET within the framework of Landauer-Buttiker formalism considering intrinsic silicon channel at low temperature. The model drain current is compared with the numerical simulations of near ballistic nanoMOSFET structure. There is a reasonable agreement between the model and the numerical simulation results. This demonstrates the remarkably low value of the subthreshold slope of ballistic nanoMOSFET. Further, the design structure is …
Published in Journal of VLSI Design Tools and Technology · Vol. 8, Issue 3, 2018 · pp. 15–22 Read article
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Designing of GaAs Based Resonant Tunneling Diode and Nano Scale Applications with Considering NEGF
Abstract: Present situation of eletronic area in the world required small devices as well as low power dissipation and ultra high speed application. At this moment the presence of resonant tunneling diode can over come this type of problem and take a big role in nanoscale digital and analog applications.In this researh article is to demonestrated effect of asymmetric barrier with respect to symmetric barrier and digital inverter and THz analog …
Published in Journal of VLSI Design Tools and Technology · Vol. 5, Issue 1, 2015 · pp. 1–18 Read article
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Sulfur recovery process simulation and optimization
Abstract: Objective of this work is to simulate the sulfur recovery process by using the latest version of Aspen HYSYS V10 simulation program. Sulfur recovery model used in the simulation program is Claus three stage process. A total recovery of 97.85% sufur was recovered from the rich acid gas feed. The effects of H2S/SO2 ratio, outlet sulfur dew point margin, catalytic stage temperature, CS2 and COS concentrations, role of catalyst, acid …
Published in Emerging Trends in Chemical Engineering · Vol. 5, Issue 3, 2018 · pp. 32–40 Read article
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Modeling of Overvoltage Protection by Lightning for a Grid-tied Solar Power System: A case of Vietnam
Abstract: AbstractThe solar power system has been widely developed due to its environmental friendliness and sustainability. Normally, PV panels would be preferable to set up on rooftop of building or free-standing in unsheltered areas. Therefore, the negative impacts on these systems from bad weather conditions, like storms and lightning, have been evident. Vietnam is located in the region of tropical monsoon weather, especially one of the three strongest thunderstorm areas in …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 11, Issue 2, 2020 · pp. 27–40 Read article
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HFSS-Based Helix Antenna Design Optimization and Simulation
Abstract: This project uses HFSS (High-Frequency Structure Simulator) to simulate, develop, and analyze the performance of a helix antenna for (a particular purpose, such as broadband wireless or satellite communication). Because of their distinctive structural characteristics, helix antennas are well-suited for a variety of high-frequency applications by balancing compactness, high gain, and wide bandwidth. In this work, we parametrically analyze important design parameters including pitch, radius, number of turns, and wire …
Published in Recent Trends in Sensor Research & Technology · Vol. 12, Issue 1, 2025 · pp. 29–35 Read article
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Reduction of Electric Vehicle Driving Range Due to Battery Capacity Fading
Abstract: This paper is mainly focused to the estimation of the reduction of the driving range in electric vehicles due to battery capacity fading as a consequence of the aging effects with cycling. A scale model reproducing the real driving conditions in electric vehicles has been used to develop a simulation process to evaluate the incidence of the cycling on the battery capacity fading. The model on which the simulation has …
Published in Journal of Automobile Engineering and Applications · Vol. 8, Issue 2, 2021 · pp. 1–16 Read article
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House-hold Waste-water Management System
Abstract: AbstractThe wastewater quantity always exceeds the amount of water purified through R.O system in every household. This wastewater needs to be put to better use for other household activities like kitchen purposes, washroom, lawn etc. In this paper, a model consisting of integrated Programmable logic controller (PLC) and Supervisory Control and Data Acquisition (SCADA) system has been proposed to manage wastewater coming out from Reverse Osmosis (R.O) system. The PLC …
Published in Recent Trends in Electronics Communication Systems · Vol. 7, Issue 2, 2020 · pp. 1–8 Read article