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1973 articles for “Load Flow Analysis (LFA)” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Hydraulics of Flow Through and Over Fayoum Weir with Rectangular Bottom Openings
Abstract: Fayoum standard weirs have been modified by adding number of bottom openings to convey much water to downstream direction. This study aims to investigate the effects of using different configurations of Fayoum weirs with rectangular bottom openings on flow characteristics under different dimensions and number of openings. 46 weir configurations with height of 25 cm were used in this study, divided into four groups A, B, C and D. Each …
Published in Journal of Water Resource Engineering and Management · Vol. 3, Issue 2, 2016 · pp. 17–25 Read article
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Flood Analysis Using Integrated HEC-RAS and GIS: A Case Study of Nashik city, India
Abstract: The developmental activities in the urban areas are severely affecting the river flow pattern of the rivers; especially the rivers which pass through the urban habitation are causing heavy floods. The effect of encroachment in the city limits due to urbanization reduces the flow path of rivers causing flooding in adjacent areas. The available data indicates that causalities due to increased frequency of occurrence of flood have increased from 1000 …
Published in Journal of Water Resource Engineering and Management · Vol. 6, Issue 3, 2019 · pp. 15–24 Read article
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Assessing Water Quality through Correlation Matrix Analysis and Water Quality Index: A Comprehensive Review
Abstract: Surface water management requires modern methods for analysis and assessment of surface water bodies. Employing Pearson Correlation to Assess Relationships Between Distinct Variables Yields Valuable Insights in Water Quality Analysis. Many recent studies use correlation analysis in different field of pollution, irrigation, and hydrological field. Correlation considered as great tool for finding relationship and inter-dependability. In this report we reviewed around 12 research papers which uses correlation and water quality …
Published in Journal of Water Resource Engineering and Management · Vol. 10, Issue 2, 2023 · pp. 50–57 Read article
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Static and Dynamic Analysis of Castellated Steel Beam using FEA: A Review
Abstract: This review paper presents a procedure and software application for static and dynamic analysis of solid and castellated I beam under different types of loading and supports conditions. The castellated beam is manufactured by cutting and re-welding of hot rolled sections with different shape and size of web openings. The main aim of this review is to study the application of various finite element analysis methods for the analysis and …
Published in Recent Trends in Civil Engineering & Technology · Vol. 8, Issue 2, 2018 · pp. 44–48 Read article
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REVIEW PAPER ON SIESMIC ANALYSIS OF MULTISTOREY BUILDING WITH FLOATING COLUMN
Abstract: Recent construction practices have seen a tremendous use of first few floors as parking spaces ,banquet halls, auditoriums and community halls, etc. All these amenities require large unobstructed spaces and the normal column arrangement poses interruption. this problem is dealt with the use of floating columns. Floating column is a column that does not continue till the foundation level but rests on a beam.due to this feature the load transfer …
Published in Recent Trends in Civil Engineering & Technology · Vol. 9, Issue 2, 2019 · pp. 11–13 Read article
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Harmonics Analysis of Single Phase VSI with 5-level and 7-level Inverter
Abstract: Abstract: The conventional two-level inverter is most commonly used for AC drive systems. The inverter produces harmonics, which will cause heating of the power electronic devices as well as load and deteriorate the life of it. Thus, anyhow harmonics should be suppressed or removed, the most common or well-known method to filter out harmonics are introduction of various filters between inverter and load according to requirements. The filters are mainly …
Published in Recent Trends in Electronics Communication Systems · Vol. 6, Issue 1, 2019 · pp. 16–23 Read article
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Optimize the Efficiency of the Kaplan Turbine by Design and CFD Analysis of Runner Wheel Blades
Abstract: Abstract: Due to recent crises of electricity in the country, it is utmost need for the utilization of renewable energy resources abundantly available like hydropower. To overcome this problem of electricity shortage, hydro-power turbines can be used. Since every hydro site have different site conditions, so design and selection of the proper turbine type and size becomes more important. In this case, it is vital to adopt indigenous design and …
Published in Recent Trends in Fluid Mechanics · Vol. 6, Issue 1, 2019 · pp. 1–19 Read article
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Passive Capillary Flow of Aqueous Working Liquids in the PMMA Microfluidic Devices and SU-8 based Glass Microfluidic Devices
Abstract: Abstract: In this work, total 9 individual polymeric microfluidic devices are fabricated. The passive capillary flows of aqueous working liquids are studied in the fabricated polymethylmethacrylate (PMMA) microfluidic devices and SU-8 based glass microfluidic devices. All the microfluidic devices are fabricated inside the cleanroom laboratory. Dyed aqueous ethanol and dyed aqueous isopropyl alcohol (IPA) are the selected working liquids. CMOS camera is used to record each passive capillary flow in …
Published in Recent Trends in Fluid Mechanics · Vol. 6, Issue 1, 2019 · pp. 23–28 Read article
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Heat and Flow Characteristics of Jet Impingement: Literature Review
Abstract: AbstractA comprehensive review on jet impingement heat transfer and flow characteristics of impinging synthetic jets were compared with continuous jets. Considering all the single phase heat transfer jet impingement has maximum heat transfer rate. A number of experimental arrangements as done to study the jet impingement such as jet impingement on a solid flat surface, rough surface, concave surface, convex surface, etc. A large number of papers dealing with experimental …
Published in Recent Trends in Fluid Mechanics · Vol. 7, Issue 1, 2020 · pp. 1–8 Read article
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Short Review on the Materials for Microfluidics with the Experiments to Record the Surface-Driven Capillary Flow of Dyed Water in Fabricated Microfluidic Device for Bioengineering Applications
Abstract: In this review, dominant features of suitable materials for the fabrication of microfluidic devices are briefly mentioned. Surface modification techniques are useful to vary the flow-speed in microfluidic devices. Surface modification techniques are dependent on the choice of device materials. In this present paper, a single polymeric microfluidic device as sudden expansion microchannel is fabricated by author using maskless lithography, hot embossing lithography and direct bonding technique. Also, the surface-driven …
Published in Recent Trends in Fluid Mechanics · Vol. 7, Issue 3, 2020 · pp. 1–4 Read article
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Critical Assessment of Parachute Deployment: Stress Analysis Perspectives
Abstract: The goal of the Mars Science Lab (MSL) mission's parachute decelerator system is to deliver the biggest payload on the Martian surface in history. Robust analysis tools are required to estimate loads and stresses in the canopy reinforcement in order to fulfill this challenge.Two finite element codes are used in this study's structural analysis of the MSL parachute system.This study has three goals in mind. Initially, the research assesses how …
Published in Recent Trends in Fluid Mechanics · Vol. 10, Issue 3, 2023 · pp. 1–18 Read article
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Performance Analysis of FLC-NR based Loss Minimisation Algorithm for BLDC Motor
Abstract: Brushless DC motors are increasingly used in industry due to their high power density and ease of control. Efficiency of BLDC motor is reduced due to various losses like copper loss, core loss and switching loss. A fuzzy logic based loss minimisation algorithm is described in this study. Selective harmonic elimination-based pulse-width modulation to optimise both the converter switching losses along with machine core and copper losses is done based …
Published in Trends in Electrical Engineering · Vol. 8, Issue 3, 2018 · pp. 51–59 Read article
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Developing a Model in Matlab/Simulink Environment for Induction Motor Considering Core Loss and Stray Load Loss
Abstract: This paper focuses on a Matlab/Simulink model of a squirrel-cage induction motor with consideration of core loss and stray load loss. This model is based on some mathematical expressions and also described through an equivalent circuit including core loss and stray load loss. The model of induction motor has been developed based on the state space equations in a synchronously rotating reference frame, where core loss and stray load losses …
Published in Trends in Electrical Engineering · Vol. 4, Issue 2, 2014 · pp. 1–12 Read article
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Matlab/Simulink Implementation and Analysis of SVPWM, SPWM and THIPWM: A Modular Approach
Abstract: The SVPWM technique has become more popular today than ever before due to the availability of fast digital systems for implementing this switching scheme. This is the preferred switching scheme for three phase inverters when compared to traditional SPWM. This paper describes a modular implementation and analysis of three popular switching methods employed in voltage source inverters: Space Vector Pulse Width Modulation (SVPWM), Sinusoidal Pulse Width Modulation (SPWM) and Third …
Published in Trends in Electrical Engineering · Vol. 5, Issue 3, 2015 · pp. 23–35 Read article
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A New Methodology for Reliability Analysis of Interconnected Power System by using Improved Genetic Algorithm
Abstract: Reliability of interconnected power system is an important parameter in power system analysis. Reliability of power system is measured by reliability indices. Analysis of reliability indices of interconnected power system is usually based on contingency enumeration approach or statistical approach. These methods have some limitations. Moreover, for large systems, these methods are not applicable. In this paper, an improved genetic algorithm based method is described for reliability indices calculation of …
Published in Trends in Electrical Engineering · Vol. 5, Issue 3, 2015 · pp. 109–113 Read article
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Harmonic Analysis of Full-Wave Diode Bridge Rectifier Circuits
Abstract: This paper analyzes the steady-state harmonic performance of four-diode, single-phase full-wave rectifier bridge circuits. The frequency spectra of the source and load currents are presented. The effect of the load resistance, the source inductance, the smoothing shunt- capacitor as well as the waveform of the supply voltage is illustrated. The approach can also handle cases involving non-sinusoidal sources and non-linear loads. Based on a Mathematica code, the paper presents the …
Published in Trends in Electrical Engineering · Vol. 10, Issue 1, 2020 · pp. 7–21 Read article
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Design and Analysis of Onion Sorting Machine
Abstract: Agriculture is the backbone of many economies as it employs the majority of the population directly or indirectly. In past years, new cropping patterns have evolved, developed, and been introduced in order to change the economic status of the farming community. Agriculture is crucial to India’s economic development. Any agricultural product must be graded by size in order to be properly priced. Today, we are considering various methods and measures …
Published in Trends in Machine design · Vol. 9, Issue 1, 2022 · pp. 26–32 Read article
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Design and Analysis of Advanced Body Armour
Abstract: Study on wounding patterns reveals that injury of upper and lower extremities due to ballistic projectiles accounted for -70% of all injuries which occur on the battlefield. This is due to the fact that currently employed body armours are rigid in nature, making it difficult for bending without affecting performance. An extensive review of the development and evaluation of cutting-edge body armor systems is provided in this paper. It examines …
Published in Trends in Machine design · Vol. 10, Issue 2, 2023 · pp. 42–47 Read article
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Buckling of Column of Supporting Frame Structure : A Review
Abstract: Column is a vertical strut or structural member which is subjected to an axial compressive load used for supporting purpose. For column, materials like reinforced concrete and mild steel are widely used. Angle section, I-section, channel section, box section are the common type of sections used for column. A form of deformation or sudden sideway failure of column occurs due to high axial compressive force is termed as buckling. When …
Published in Trends in Mechanical Engineering & Technology · Vol. 8, Issue 1, 2018 · pp. 31–40 Read article
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Detection of Stator Winding Faults Using Finite Element Analysis (FEA) in BLDC Motors
Abstract: Detection of eccentricity faults has been feasible using physical and vibrational parameters. The Brushless DC motor is undergoes various kinds of stresses including mechanical, electrical, thermal, and environmental. These stresses increase the probability of occurrences of stator faults with various severity levels. The well maintained BLDC motor and correct operations decrease the probability of occurrences of faults. These faults are of three types as damage in laminations, damage in frame …
Published in Trends in Mechanical Engineering & Technology · Vol. 8, Issue 3, 2018 · pp. 82–90 Read article