Search
450 articles for “optimum”
-
Optimization of Process Parameters of an Induction Furnace for Aluminium 6061 using Robust Design Approach
Abstract: Electric induction furnaces are extensively used in the foundry industries for the preparation of alloys and metal castings. The induction furnace works on the principal of electromagnetic induction. Some of the applications of induction heating include heat treatment, melting, surface treatment and in food industry. The detailed study about the working of an induction furnace was done. The induction furnace procured by mechanical department of our college is made by …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 4, Issue 1, 2017 · pp. 6–12 Read article
-
Mechanical Behaviour of Conventional Concrete Using Fly Ash and Steel Fibre
Abstract: Concrete that area unit victimization with the waste materials, recycled materials etc. could be a revolutionary topic at this time of concrete business. This kind of concrete that resembles the traditional concrete, however the assembly or utilization of such concrete needs minimum quantity of energy and causes least hurt to atmosphere. This kind of concrete absorbs the waste product that is additionally useful for atmosphere aspects [1]. Some SCMs area …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 4, Issue 1, 2017 · pp. 18–23 Read article
-
Efficiency Measurement of Solar PV Panels
Abstract: With increasing awareness and technology developments, we strive to achieve a greener approach to energy production. Solar panels that use PV cells are popular for converting solar power into electricity. One of the problems in using PV cells to extract energy from sunlight is the temperature effect on PV cells. As the solar panel is heated, the conversion efficiency of light to electrical energy is diminished. Because solar panels can …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 3, Issue 3, 2016 · pp. 13–30 Read article
-
Detailed Study On Physical Properties Of Silicon Nitride Films Deposited By Plasma Enhanced Chemical Vapour Deposition System
Abstract: Amorphous silicon nitride films have been deposited by radio frequency plasma enhanced chemical vapor deposition (RF-PECVD) technique using silane (SiH4) and ammonia (NH3) as source gases. Investigations have been made in detail to understand the influence of process parameters such as RF power, substrate temperature, gas flow ratio, working pressure etc, on the optical, electrical and surface properties in order to obtain dielectric Si3N4 films for semiconductor device applications. Amorphous …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 3, Issue 1, 2016 · pp. 1–8 Read article
-
Determining the Effect of Cutting Parameters on Surface Roughness in Turning Process Using the Taguchi Method
Abstract: This study focuses on optimizing turning parameters based on the Taguchi method to minimize surface roughness (Ra). Experiments have been conducted using the L9 orthogonal array in a CNC turning machine. Turning tests are carried out on aluminium alloy AISI 1061 with carbide cutting tools. Each experiment is repeated two times and each test uses a new cutting insert to ensure accurate readings of the surface roughness. The statistical methods …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 2, Issue 3, 2015 · pp. 17–22 Read article
-
Study of Adsorption of Nickel on Soil in Rural Area of Hadoti Region: An Ethical Approach to Reduce Soil Pollution
Abstract: Nickel (Ni), one of the toxic heavy metals, is widely distributed in soil and aquatic ecosystems. The chemical nature of the soil has a significant impact on the environment. The adsorption reaction of nickel in alkaline soils is the main topic of this research. The removal of Ni (II) from aqueous solutions uses soil as an adsorbent. Batch adsorption studies were used to study the effects of various factors, including …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 10, Issue 1, 2023 · pp. 25–30 Read article
-
Effect of Various Parameters on Threshold Voltage of Virtually Fabricated Lightly Doped PMOS Device
Abstract: This paper emphasis on the design, fabrication and analysis of 45 nm P type MOSFET device using SILVACO TCAD tool. The analysis was based on variation of various parameters like oxide thickness, threshold implant and halo implant (pockets) to analyze the threshold voltage. The drain versus gate and drain versus gate plots are being plotted using tony-plot. It has been observed that as the thickness of the oxide increases, threshold …
Published in Journal of VLSI Design Tools and Technology · Vol. 7, Issue 3, 2017 · pp. 13–20 Read article
-
Effect of Various Parameters on Threshold Voltage of Virtually Fabricated Lightly Doped PMOS Device
Abstract: This paper emphasis on the design, fabrication and analysis of 45 nm P type MOSFET device using SILVACO TCAD tool. The analysis was based on variation of various parameters like oxide thickness, threshold implant and halo implant (pockets) to analyze the threshold voltage. The drain versus gate and drain versus gate plots are being plotted using tony-plot. It has been observed that as the thickness of the oxide increases, threshold …
Published in Journal of VLSI Design Tools and Technology · Vol. 7, Issue 2, 2017 · pp. 13–20 Read article
-
Maximum Power Point Tracker and its model in MATLAB
Abstract: The study says that In a (Power-Voltage or current-voltage) curve of a solar panel, there is an optimum operating point such that the PV delivers the maximum possible power to the load. This unique point is the maximum power point (MPP) of solar panel. Its mathematical models of the components of PV module that is MPPT model uses the MPPT control unit, and Buck- Boost converter to implement a simulation …
Published in Journal of VLSI Design Tools and Technology · Vol. 9, Issue 3, 2019 · pp. 26–31 Read article
-
Methodical Strategy for STATCOMs Optimal Placement to Enhance Voltage Stability Margin Considering Circular Optimization Algorithm
Abstract: This study analyses voltage stability in the presence of STATCOM, focusing on the relationship between Voltage stability collapse and power system voltage stability. STATCOM and its optimal allocation are anticipated to enhance the voltage stability of the power system. Circular optimization algorithm is used to identify optimum sizing of STATCOM to increase voltage profile of the system. Practical simulation results are verified on IEEE 30 bus system considering multiple STATCOMs …
Published in Journal of VLSI Design Tools and Technology · Vol. 11, Issue 2, 2021 · pp. 14–23 Read article
-
MANAGEMENT OF CURRENT WATER RESOURCES IN BAHR AN-NAJAF BASIN IN IRAQ
Abstract: Water resources management is the activity of planning, developing, distributing and managing the optimum use of water resources. With hot and dry climate in Iraq combined with lack of water resources management, water is one of the most central issues. Utilizing adequate management techniques, optimal use of the available water within Iraq can be achieved. This paper focuses on management of the current water resources in Bahr An-Najaf area (251 …
Published in Journal of Water Resource Engineering and Management · Vol. 5, Issue 2, 2018 · pp. 1–11 Read article
-
STRATEGIC EVALUATION OF COST AND BENEFIT ANALYSIS OF A RURAL WATER SUPPLY PROJECT: A CASE STUDY OF DEI-DEI COMMUNITY, ABUJA, NIGERIA
Abstract: Strategic evaluation of some rural water project in Nigeria is crucial for adequate water supply and public health. The aim of this research is to evaluate the cost and benefits for a proposed rural water supply scheme identifying the optimum alternatives to be chosen for the water supply scheme. To provide safe, adequate and reliable water supply and sanitation services to selected low-income rural communities through community-based arrangements and to …
Published in Journal of Water Resource Engineering and Management · Vol. 6, Issue 2, 2019 · pp. 11–28 Read article
-
Sensitivity of Shape Factor Impacts in Water Works Infrastructure Failure
Abstract: Simple geometry used in water software and hydride sign works was failed here. Comprehensive real data with complex irregular geometries were incorporated provided for wider application and feasible solutions. A realistic and more practical approach was tested, found reliable and compatible with water engineering principles considered for calculation of volumetric water rates by three types of Ogee shapes. Results indicated proximity between numerical and experimental data accurately predicted based on …
Published in Journal of Water Resource Engineering and Management · Vol. 4, Issue 1, 2017 · pp. 25–34 Read article
-
Wind analysis of four legged transmission towers with different bracing systems for angle section & tube section
Abstract: Due to the increasing demand of electrical energy, a significant importance should be given to the analysis & design of transmission line towers. Since the transmission towers are the tall structures, they are mainly affected by wind forces. Therefore before the design & construction of these structures, they must be analysed for wind forces. This research paper presents a study on wind analysis of four legged towers with different bracing …
Published in Recent Trends in Civil Engineering & Technology · Vol. 9, Issue 1, 2019 · pp. 1–11 Read article
-
Comparative study on defluoridation by adsorption using rice husk ash, tamarind seed powder and activated
Abstract: In the present study, the ability and suitability of low cost adsorbents such as rice husk ash (RHA), tamarind seed powder (TSP) to adsorb fluoride ions was investigated in jar test apparatus and results were compared with that of commercially available activated charcoal powder (ACP). The major parameters such as pH, concentration of F- ions, stirring rate, contact time and different adsorbent dosages were studied and optimized. The maximum removal …
Published in Recent Trends in Civil Engineering & Technology · Vol. 10, Issue 1, 2020 · pp. 25–32 Read article
-
Investigation on Clay Soil Stabilization using Plastic Powder
Abstract: A huge amount of black cotton soil or clayey soil is available all around the world which leads to a waste of land for construction uses, since it has expansiveness, swelling and shrinkage properties etc. So we have tried to resolve this problem by stabilizing the black cotton soil by waste material marble powder. This study impact with the effect of PP (PP) on expansive soil by conducting the laboratory …
Published in Recent Trends in Civil Engineering & Technology · Vol. 7, Issue 2, 2017 · pp. 18–21 Read article
-
Strength and Durability Properties of Metakaolin Amalgamated High Performance Concrete
Abstract: In past three decades, it is inevitably for the development of high strength concrete (HSC) and high performance concrete (HPC) is progressively enhanced, since these concrete are widely used throughout the world in most prominent projects like oil, bridges, multi-storey buildings and nuclear industries etc. In meticulous, the amalgamation of supplementary cementing material (SCM) or pozzolanic materials is vital when high strength and durability become the most desired properties of …
Published in Recent Trends in Civil Engineering & Technology · Vol. 7, Issue 2, 2017 · pp. 36–44 Read article
-
Experimental Study on Properties of Concrete with Phoenix Fibres
Abstract: In this paper, an attempt has been made to investigate the possibility of using phoenix fibre to improve the properties of concrete. The aim of this research is to investigate the properties of concrete with phoenix fibres of various percentages. Mechanical properties such as compressive strength, split tensile strength of concrete using phoenix fibre have been investigated. M20 grade of concrete has been used for this investigation. Mechanical strength tests …
Published in Recent Trends in Civil Engineering & Technology · Vol. 6, Issue 3, 2016 · pp. 40–45 Read article
-
Green Concrete Using Fly Ash and Silica Fume
Abstract: Recycled coarse aggregate can also be used by partially replacing natural concrete aggregates, so that construction and demolition waste can be further used for aggregates in new construction. Recycled coarse aggregate includes brick, tile aggregates, crushed stone aggregates, glass aggregates, and demolished aggregates. In this paper, different recycled aggregates are used by 40 and 60% replacement with natural aggregates of size 20 mm. Granite stone, brickstone, concrete debris are used …
Published in Recent Trends in Civil Engineering & Technology · Vol. 6, Issue 2, 2016 · pp. 57–62 Read article
-
Economical Analysis of Lime and Fly Ash Stabilized Flexible Pavements
Abstract: India is experiencing tremendous growth in infrastructure including road network and highways. Roads are to be designed with good reliability to fulfill the long-term performance during the design period. Most of the time flexible pavements in India need to be constructed on problematic subgrade soil. Such subgrades have low California bearing ratio which leads to more pavement thickness. Decrease in availability of suitable sub-base and base course materials for highway …
Published in Recent Trends in Civil Engineering & Technology · Vol. 6, Issue 1, 2016 · pp. 36–44 Read article