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1055 articles for “Point”
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Characterisation of FSW Joints of Aluminium and Titanium Alloys: A Review
Abstract: AbstractThis paper presents a review on friction stir welding of different aluminum and titanium alloys. Aluminum alloys are most widely used in automotive, aerospace and ship building industries as high strength-to-weight ratio materials. Titanium alloys are also attractive in these fields due to their high specific strength and good corrosion resistance. In some special applications, the complementary characteristics of Ti and Al are required, such as increased strength, low weight …
Published in Journal of Materials & Metallurgical Engineering · Vol. 8, Issue 3, 2018 · pp. 25–29 Read article
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Study of the Influence of Thermal Tempering on the Bending Behavior of the Silico Soda Lime Glass Material
Abstract: In this contribution, we examine the mechanical behavior of tempered soda-lime-silica glass plates and show that improvements in performance can be achieved through the change of the structural and mechanical properties. Tests of thermal tempering by air jet have been performed on glass plates of different dimensions. Three-point bending tests have been conducted on nontempered and fully tempered float glass plates of four different sizes. A parametric study on the …
Published in Journal of Materials & Metallurgical Engineering · Vol. 2, Issue 1-3, 2012 · pp. 160–168 Read article
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BMI and Nutritional Level Classification using Bioelectrical Impedance Analysis
Abstract: AbstractThis paper is based on the study of improve the cutoff point and nutritional classification and status of overweight/obesity based on the EMI. Study was conduct on more than 1000 individual on both genders age between 18 and 60 years. The subjects underwent measurement of weight and height and bioelectrical impedance analysis. Instrumentation for the measurement of bioimpedance is simple, cost effective for mass production and is easy to use. …
Published in Journal of Microelectronics and Solid State Devices · Vol. 6, Issue 3, 2019 · pp. 18–27 Read article
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Sustainable Development of Photo Voltaic Array with Boost Convertor Controller
Abstract: Solar energy is the most vital energy resource now a day since it is clean, pollution free, and inexhaustible. Semiconductor gave the crucial support due to its rapid growth in the power electronics techniques. In this paper, the maximum power point technique is used to increase the output efficiency of PV arrays. The output power of PV arrays changes with weather conditions, which means solar irradiation and atmospheric temperature. A …
Published in Journal of Microelectronics and Solid State Devices · Vol. 3, Issue 3, 2016 · pp. 22–31 Read article
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Studies on Mechanical, Thermal, Physical Properties and Characterisation of PLA-EVA Blend with Microclay and Product Development
Abstract: PLA-EVA (70:30 wt. %) with microclay (1, 3, 5 wt. %) was also melt blended using Glycerol (1%) was used as compatibilizer in a twin screw compounding extruder. Then test specimens were prepared by an injection molding machine. Mechanical, thermal and physical properties were evaluated. As microclay content was increased, the tensile strength, elongation at break and tensile modulus were slightly decreased but higher than that of PLA-EVA (30 wt. …
Published in Journal of Polymer & Composites · Vol. 8, Issue 3, 2020 · pp. 24–33 Read article
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Materials for Food Packaging, Including a Focus on Biopolymers: Properties and Applications
Abstract: The extensive usage of traditional plastics that are derived from petroleum is a major contribution to environmental deterioration because it is believed that these plastics will linger in the environment after being thrown away for hundreds of years beyond that time. There is a growing trend in today's society to promote the use of bioplastics as an option that is less harmful to the environment than polymers that are derived …
Published in Journal of Polymer & Composites · Vol. 11, Issue 1, 2023 · pp. 81–90 Read article
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Design and Control of Three Phase Grid Connected Solar PhotoVoltaic Power System
Abstract: As the world power utilization quickly increments with populace development, new power era limits are obliged to cover that request. So there is requirement for force era utilizing renewable sources. Henceforth photovoltaic system is actualized to tie with the force framework. Keeping in mind the end goal to concentrate greatest force yield from PV framework proficiently, MPPT system is used. A DC-DC converter utilizes voltage source inverter which is controlled …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 1, 2015 · pp. 20–32 Read article
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Shunt Active Power Filter Using Three Level Inverter without PI Controller
Abstract: This paper presents simulation and analysis of shunt active power filter using three level inverter. Different types of filters can be used for elimination of harmonics in the power system with nonlinear load. Three level VSI (Voltage Source Inverter) can be used for high voltage application. Three level NPC (Neutral Point Clamped) VSI is used for active power filter. In this paper, FFT (Fast Fourier Transform) algorithm for reference current …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 3, 2015 · pp. 76–86 Read article
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Photovoltaic System Based Modified SEPIC Converter with Perturb and Observe Algorithm
Abstract: In recent years, because of the increasing demand of the electrical energy, the solar energy has been considered as one of principal renewable energy sources for electric power generation. As it has low power efficiency; to increase the extracted power from PV system is a matter of concern. To extract maximum power, a maximum power point tracking (MPPT) controller is necessary in a PV system. In this paper, a PV …
Published in Journal of Power Electronics and Power Systems · Vol. 7, Issue 2, 2017 · pp. 33–41 Read article
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A State-of-the-Art Strategy for Guesstimate of Reliability of Cumbersome Radial Distribution Structure
Abstract: Reliability assessment of an engineering system or systems or component or element is very important in order to forecast its availability or unavailability and other important indices related to the component or system as a whole. Reliability is the floating which tells about the availability or unavailability of the component under proper working conditions for a given period of time. A lot many research papers have been reported for reliability …
Published in Journal of Power Electronics and Power Systems · Vol. 11, Issue 3, 2021 · pp. 9–16 Read article
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PSO Based Design and Analysis of Hybrid Optimization Technique using DC-DC converter with MPPT Technique
Abstract: The power voltage trademark curve of photovoltaic (PV) exhibits has several tops under fractional circumstances; The PV model worked at most extreme power gives more effectiveness. With the goal that the MPPT is used. The current Greatest Limit Point Following (MPPT) control strategies might neglect to work. However, the particle swarm optimization (PA) algorithm is more suitable for solving many serious optimization problems. Then this paper proposes a new algorithm …
Published in Journal of Power Electronics and Power Systems · Vol. 12, Issue 3, 2022 · pp. 9–18 Read article
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Real-time Gas Lift Valve to Enhance Well Performance
Abstract: Optimum production from a gas lift well mainly depends on proper injection gas quantity; injection pressure and depth of injection and gas lift valve performance. The quality of down hole gas lift valves plays a crucial role in achieving maximum efficiency of a gas lift system and uninterrupted oil and gas production. Gas lift valves can aid in the unloading and produce of a well. With the valves properly spaced …
Published in Journal of Petroleum Engineering & Technology · Vol. 6, Issue 2, 2016 · pp. 1–10 Read article
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Recycling of Waste Generator Oils by Different Treatment Methods
Abstract: Engine oils with wide range of viscosities are used to lubricate an engine’s moving parts in different industrial units. Used engine oils are considered hazardous wastes because of their high content of pollutant ,thermal degradation products from the base oil and additives and combustion products from fuel and lubricant. The used oil still contains a large proportion of valuable base oil that may be used to formulate new lubricants if …
Published in Journal of Petroleum Engineering & Technology · Vol. 2, Issue 1-3, 2012 · pp. 103–115 Read article
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Anti-static Additive and Particulate Formation in Jet Fuel at Low Temperature
Abstract: Over-dosed anti-static additive Stadis 450 can form particulates in jet fuel when temperature goes down to around -38oC. The particulate formation was observed during freezing point test. The jet fuel produced by Toruk refinery of Arabian Gulf Oil Company of Libya had freezing point of about -55OC which is lower than required-47OC for jet fuel A-1. Key words: Libya, Tobruk refinery, Sarir refinery, Jet Fuel, Anti-Static Additive, Particulate, Low Temperature
Published in Journal of Petroleum Engineering & Technology · Vol. 9, Issue 2, 2019 · pp. 1–4 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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Theoretical and Simulation Studies on Gas Well Performance
Abstract: The productivity of any oil or gas well is governed by its maximum flow potential with the available varying parameters such as draw-down pressure availability, tubing sizes available to lift the fluid, and others. The present study on the performance of a gas well delineates the appropriate parameters that are necessary for maximizing the flow from the reservoir to the wellhead surface by utilizing a performance simulator, with nodal analysis …
Published in Journal of Petroleum Engineering & Technology · Vol. 11, Issue 2, 2021 · pp. 9–24 Read article
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Production of Biodiesel from Fluted Pumpkin Oil
Abstract: The production of biodiesel using fluted pumpkin oil was considered in this research work. The fluted pumpkin was converted fluted pumpkin oil methylester known as biodiesel. The stem of the fluted pumpkin is used to produce biodiesel. Biodiesel is produced in a combined microbial/chemical process. Functional parameters checked and evaluated for the purpose of confirmation of the obtained product and the result reveals that the fluted pumpkin oil and fluted …
Published in Journal of Petroleum Engineering & Technology · Vol. 11, Issue 2, 2021 · pp. 50–58 Read article
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Study and Analyze the Importance of Leadership in Modern Business
Abstract: The beginning point for this chapter was to bring together the investigation regions of organizationalstandards, innovation and alter, and information operation. The center was on innovation from the pointof view of organizational ponders and the method of information sharing in affiliations. It too incorporatesthe conception that specific information is a critical source of organizational information and investigatesthe interface between specific information utilized and organizational innovation forms. In spite of the …
Published in Journal of Production Research & Management · Vol. 12, Issue 2, 2022 · pp. 8–15 Read article
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Comparative Study of Multistorey Building with Composite Column at Soft Storey
Abstract: Increase in population, car parking space is major concern. Hence, trend has been set up to use ground floor for parking purpose. Literature shows that, large number of reinforced concrete (RC) building with soft storey damaged by earthquake shaking due to many structural deficiencies such as, column with insufficient confinements, strong beam weak column, formation of plastic hinge at beam-column joint, opening of 90 degree ties, poor detailing in beam-column …
Published in Journal of Structural Engineering and Management · Vol. 3, Issue 2, 2016 · pp. 37–42 Read article
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Experimental Investigations of Prestressed Hollow Core Slabs and Grouted Hollow Core Slabs
Abstract: With the advent and rapid inclusion of prefabricated concrete system to the construction industry, it poses interesting research challenges to the academic world. The acceptance of hollow-core slab as an alternative to the normal reinforced concrete solid slabs is getting delayed due to the delusion among public. The usage of grouted hollow core slabs by filling the core with grout is one of the increasing demands observed by the hollow …
Published in Journal of Structural Engineering and Management · Vol. 3, Issue 3, 2016 · pp. 16–21 Read article