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661 articles for “replacement”
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Effect of the Position of Geotextiles on the Strength Characteristics of Subgrade Soil in Bituminous Pavements
Abstract: In the past 20 years, many new road improvement techniques have revolved around the use of geosynthetics. Geosynthetics may be used in those areas where the soil remains saturated part of the year or over clay and moist silty weak subgrade soils. The quality and life of pavement is greatly affected by the type of subgrade, subbase and base course materials. Subgrade soil is the bottom most layer of the …
Published in Journal of Geotechnical Engineering · Vol. 3, Issue 2, 2016 · pp. 12–17 Read article
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Characteristics of Geology in Khulna City Corporation (KCC) Area, Bangladesh
Abstract: This study represents the general characteristics of foundation soil in Khulna City Corporation (KCC) area. The KCC is situated in southwestern part in Bangladesh. Lithologically the area is composed of coarse to very fine silty sand, silt, silty clay, clayey silt and clay in various proportion. The SPT (Standard Penetration Test) value of the investigated area range between 0 and 7 from surface to 8 m deep. Here, the liquid …
Published in Journal of Geotechnical Engineering · Vol. 1, Issue 1, 2014 · pp. 39–45 Read article
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Synthesis of low cost artificial sand from fly ash and its application as a filter material
Abstract: The usage of natural river sand is increasing vastly. Geopolymers are materials with three-dimensional alumina silicate structures that have a high mechanical strength and can be used as an alternative to Portland cement. The probability of using Natural river sand can also be replaced with geopolymer synthetic sand. There are many properties which may lead the scarcity of natural river sand they are Because of landslides, tsunamis and erosion. The …
Published in Journal of Geotechnical Engineering · Vol. 9, Issue 3, 2022 · pp. 37–46 Read article
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END-OF-LIFE MANAGEMENT OF CELL PHONES IN INDIA
Abstract: AbstractGeneration of solid waste has grown in a rapid manner over the last decade. Bulk of this waste is being dumped in the open in an uncontrolled manner resulting into pollution of water bodies and land and causing uncontrolled emission of methane. This problem can be significantly mitigated through adoption of environment friendly technologies for treatment and processing wastes before disposal to recover valuable resources and energy. Wastes such as …
Published in Journal of Industrial Safety Engineering · Vol. 4, Issue 3, 2017 · pp. 1–9 Read article
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Fuel Cell-Powered SRM Driven Plug-in Hybrid Electric Vehicle Using Multi-Port Topology
Abstract: AbstractIn recent years, plug-in hybrid electrical vehicles (PHEVs) have received much attention owing to high demand of fuel efficiency and environment protection against the exhaust gas emission. PHEVs combines the merits of the electrical vehicles and hybrid electrical vehicles. In current hybrid vehicles there are three main electrical energy components including generator, battery bank and driving motor, respectively. For plug-in hybrid electric vehicle, an AC-DC converter is also needed to …
Published in Journal of Instrumentation Technology & Innovations · Vol. 9, Issue 3, 2019 · pp. 40–52 Read article
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Modernization of Prepaid Electricity System Based on Smart Card
Abstract: Overview the past four years, smart cards have achieved a growing acceptance as a powerful tool through key security, identification,and authorization. Financial card issuers are moving to replace magnetic stripe cards & plastic cardwith chip cards to reduce counterfeiting and fraud. The advent of multi-application &software, programming smart card operating systems for both and contact less applications has put smart cards on the edge of information technology. This paper benefits …
Published in Journal of Instrumentation Technology & Innovations · Vol. 11, Issue 1, 2021 · pp. 15–18 Read article
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Automatic Surface Defect Detection for Ceramic Tiles Using Digital Image Processing: A Literature Review
Abstract: The term quality is the most important factor in many industries. Whole business and the brand name are dependent upon the quality of produced goods. Defect detection is generally done manually while manufacturing may be fully automatic. Therefore, our aim is to enhance quality control by integrating various image-processing techniques, before dispatching of the final product to make no rejection rate. An automated system is expensive at the installation but …
Published in Journal of Mechatronics and Automation · Vol. 5, Issue 2, 2018 · pp. 1–6 Read article
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Adaptive Neuro-Fuzzy Inference System (ANFIS) Control for Total Harmonic Distortions Reduction of Multi-Pulse STATCOM
Abstract: In this paper proposed ANFIS System is adapted for controllable mitigation of Total harmonic distortions of STATCOM with Multiple pulse technology. Integrated power electronics device, Gate Turn Off (GTO) is used in switching mode with Voltage source convertor during application of distinct load conditions. The proportional and integrated Controller is replaced by a smart fuzzy logic controller that offers great support for harmonic mitigation by redefining the electrical magnitudes of …
Published in Journal of Mechatronics and Automation · Vol. 9, Issue 2, 2022 · pp. 17–31` Read article
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Coastal Steward: Developing an Ultra-Efficient Beach Cleaning Device
Abstract: Car Our project's goal is to create a beach cleaning machine that is both economical and effective in order to lower the expenses and labor involved in using conventional beach cleaning techniques. Our device is easy to transport and operate because it can fit in a car's trunk. Ecofriendliness has been given top priority, and we have made sure that replacement parts are available locally. Our inspiration for this project …
Published in Journal of Mechatronics and Automation · Vol. 10, Issue 3, 2023 · pp. 44–48 Read article
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Embedded Solution for Real-Time Traffic Light System Using PIC Microcontroller
Abstract: This paper is an attempt to provide a solution to the problems faced by real-time traffic light system. The problems encountered are fixed timing; vehicles waiting unnecessary for long time in case of no traffic or less traffic; delay in pedestrian crossing; and in case of system failure the mode of operation is difficult and replacement cost is high. This paper has provided a cost-effective and more efficient solution to …
Published in Journal of Microcontroller Engineering and Applications · Vol. 2, Issue 1, 2015 · pp. 8–13 Read article
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Design And Implementation Of An IoT Based Energy Management And Monitoring Scheme
Abstract: This research presents a feasible design for a home energy monitoring system that offers consumers a platform to monitor and keep track of energy usage via “Ubidots” The system was implemented using a current transformer and an ESP8266 Wi-Fi module. This system doesn't necessitate the replacement of the energy meter, but was integrated with an already installed energy meter to benefit the consumer. For the development and deployment of this …
Published in Journal of Microcontroller Engineering and Applications · Vol. 9, Issue 3, 2022 · pp. 1–18 Read article
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Bluetooth Technology: Security Issues and its Prevention
Abstract: Bluetooth is a new RF short range wireless personnel Area Networks (PANs) which is designed for wireless communication between different devices. Starting from the headset cable replacement it has been extended to support flexible ad-hoc networks. It is gaining increasing popularity and acceptance in the world today. The current data rate for Bluetooth is 1 Mbps. However, as Bluetooth technology is becoming widespread, vulnerabilities in its security are increasing which …
Published in Journal of Microwave Engineering and Technologies · Vol. 8, Issue 1, 2021 · pp. 25–30 Read article
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Survey on Analysis and Simulation of Permanent Magnet Synchronous Motor (PMSM) under Vibration Effect using Analytical Magnetic Field Calculations
Abstract: In several application domains, induction motor drives have been steadily being replaced in recent years by permanent magnet synchronous motor (PMSM) drives. Due to the compactness, efficiency, resilience, reliability, and shape adaption to the working environment of PM motors, this is starting to become a trend. In high performance applications demanding quieter operation, permanent magnet synchronous motors are widely used. Instead of torque ripples and cogging torque, electromagnetic forces are …
Published in Journal of Microwave Engineering and Technologies · Vol. 9, Issue 2, 2022 · pp. 26–33 Read article
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Design and Analysis of A Terahertz Microstrip Antenna
Abstract: Terahertz radiation is in the electromagnetic spectrum. Terahertz radiation is used for a variety of purposes since it is non-ionizing and may move in a straight line. It has some similarities with microwaves, in that terahertz radiation can penetrate non-conducting materials, but it shows less depth of penetration than microwaves. Compared to millimeter waves the capacity of Terahertz waves is large enough and possesses high data transmission rates. Terahertz radiation …
Published in Journal of Microwave Engineering and Technologies · Vol. 10, Issue 1, 2023 · pp. 1–7 Read article
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Drilling of Composite Materials: A Review
Abstract: In today’s world composites are replacing metals due to their superior properties such as light weight; low wear rate etc. Composites are widely used in automobile, aerospace and aircraft structural components. While drilling composite laminates, because of high hardness, they are difficult to machine, which results in low drilling efficiency and undesirable drilling induced delamination. The present paper is intended to focus on review of various works reported on drilling …
Published in Journal of Materials & Metallurgical Engineering · Vol. 5, Issue 2, 2015 · pp. 1–10 Read article
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Wear Behavior of Al-Alloy (Al-5 Mg) in-situ Reinforced TiB2 Particulate
Abstract: A research has been carried out for replacing Al monolithic alloys by aluminium (Al) based metal matrix composites (MMCs) in many engineering applications where high wear resistance and stiffness are required. In this paper, the investigated dry sliding wear behavior of TiB2 particulate reinforced composite of Al-Alloy (Al-5 Mg) is discussed. The in-situ Al-Alloy (Al-5 Mg) 10wt% TiB2 composite material were prepared by molten flux reaction synthesis using electric melting …
Published in Journal of Materials & Metallurgical Engineering · Vol. 4, Issue 3, 2014 · pp. 32–37 Read article
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Plunger Technique: A New Approach to Stir Casting AMMC Preparation
Abstract: Metal matrix composites (MMCs) are materials that are highly attractive for large range of hi-tech engineering applications. Keeping this in mind, materials for the present investigation were prepared by a drastically modified stir-casting technique where the usual solid shaft stirrer was replaced by a hollow/tubular spindle-stirring mechanism through which silicon carbide particulates in small cylindrical capsule were introduced to the aluminum-magnesium alloy matrix with the help of a plunger rod …
Published in Journal of Materials & Metallurgical Engineering · Vol. 3, Issue 2, 2013 · pp. 26–32 Read article
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Development of New Castable Al-Alloy-TiB2 Metal Matrix Composites
Abstract: There has been a constant drive for replacing monolithic aluminum alloys by aluminum-based metal matrix composites (MMCs) in many industrial applications where high stiffness and high strength to weight ratio are required. The present paper describes a cost-effective route to produce Al-Alloy-10 wt % TiB2 metal matrix composites by in situ molten flux assisted reaction synthesis. In Situ LM25-TiB2 composite material prepared by reaction synthesis was cast into thick as …
Published in Journal of Materials & Metallurgical Engineering · Vol. 2, Issue 1-3, 2012 · pp. 65–70 Read article
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Advance green fiber reinforced thermosetting composites for reliable assistive device fabrication
Abstract: The biodegradable green fibers derived from natural plants are abundantly available and are currently considered as potential reinforcements. Present study aims at investigating the mechanical properties of green jute fiber reinforced thermoset composites as possible alternatives to the inorganic glass fiber reinforced prosthetic assistive device. Continuous green jute fiber are treated with sodium hydroxide and acetic acid, and then added to epoxy and polyester at varying fiber loadings to produce …
Published in Journal of Materials & Metallurgical Engineering · Vol. 10, Issue 2, 2020 · pp. 1–8 Read article
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Applications of Nano-Chemical Compounds
Abstract: The review study collected good information about nano-chemicals such as nano-polymers and nano-chemicals that are included in the fields of materials sciences and polymers and the connections of these sciences with physics, mechanical engineering, bio-engineering and chemical engineering from multiple branches and sub-specialties within these sciences, all related to the investigation of the properties of matter at this small level. Nanotechnology is a scientific application that produces things by assembling …
Published in Journal of Materials & Metallurgical Engineering · Vol. 11, Issue 3, 2021 · pp. 11–20 Read article