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1811 articles for “Carrying”
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Compensation of Volumetric Error in CNC Machine Tools: A Review
Abstract: In today’s high competitive market, the customer requirement for quality products has increased rapidly. Abundant researches are carried out to make machine tools more versatile and accurate in the fulfilment of such requirements. Now days the CNC machine tools of various configurations with more motion flexibility are used to prepare high quality in machined components. But still, the accuracy is not achieved up to desirable level for some of crucial …
Published in Journal of Mechatronics and Automation · Vol. 4, Issue 2, 2017 · pp. 12–20 Read article
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Performance Analysis of BLDC Motor: A Fuzzy Approach
Abstract: AbstractThe main objective of this paper is to study the performance analysis of a Brushless DC (BLDC) motor supplying different types of loads, and at the same time, deploying different control techniques. A Fuzzy controller is compared with the commonly used conventional controllers. The controller is designed to track variations of speed references and to stabilize the output speed during load variations. A comparison has been carried out by observing …
Published in Journal of Microcontroller Engineering and Applications · Vol. 6, Issue 2, 2019 · pp. 20–33 Read article
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Effect of Magnetic Field on Casting Parameters
Abstract: AbstractThe casting process is one of the oldest manufacturing methods involving squeezing / jolting the green sand used as moulding material, and further was developed with use of binders such as clay/organic resins. The constants search for newer moulding material lead to the magnetic mould involving steel shots and application of magnetic field. The preliminary trials on one of the process parameters i. e. Magnetic field was carried out and …
Published in Journal of Materials & Metallurgical Engineering · Vol. 8, Issue 3, 2018 · pp. 30–35 Read article
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Micro-structural Analysis of Fly Ash and Clay Compacts
Abstract: Industrial waste like fly-ash is mainly used as a good building material due to its low weight. But the main disadvantage of these bricks is its low compressive strength. So, a lot of research is going on to increase the strength of these bricks. Normal clay is used for making of bricks in a cheaper sense. So, a research is carried out to develop a new systematic procedure to produce …
Published in Journal of Materials & Metallurgical Engineering · Vol. 3, Issue 3, 2013 · pp. 28–31 Read article
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Study on Electrolytic Smoothening Technique for AISI 316 LN
Abstract: Increasing applications of stainless steel in various fields where corrosion resistance is of prime importance, electrolytic polishing enhances the corrosion resistance of the component by decreasing the micro roughness. The current paper focuses on study of electrolytic smoothening technique for AISI316LN and the factors affecting the process as well. Factors which affect this process are composition of electrolytic bath, time, current–voltage relationship, temperature, stirring rate, etc. Detail analysis has been …
Published in Journal of Materials & Metallurgical Engineering · Vol. 3, Issue 2, 2013 · pp. 33–40 Read article
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Investigation on pitting corrosion rate of Micro Plasma Arc Welded Titanium (Ti-6Al-4V) alloy sheets in KBr solution using TOPSIS
Abstract: Titanium is having good anti-corrosion properties in both basic and acidic medium. However, when it is subjected to severer heating processing like welding, there is a possibility of corrosion formation at the weld joint. In the present work Pulsed current MPAW is used for joining 0.5 mm thick Titanium (Ti-6Al-4V) alloy sheets. Peak Current, Base Current, Pulse Rate and Pulse Width are considered as input parameters and fusion zone corrosion …
Published in Journal of Materials & Metallurgical Engineering · Vol. 9, Issue 2, 2019 · pp. 37–53 Read article
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Optimization of dry sliding wear behaviour of AA6061 (as cast) and AA6061 (HT) aluminium alloy using design of experiment approach
Abstract: The dry sliding wear behaviour of AA6061 (as cast) and AA6061 (HT) aluminium alloy has been optimized using Taguchi Orthogonal array design. Experiments were conducted to study the influence of various parameters like, load(N), sliding speed(m/sec) and sliding distance on the dry sliding wear behaviour of both AA6061(as cast) and AA6061(HT) aluminium alloy using L9 orthogonal array design. The experiments were carried out to determine the significant controlling parameter affecting …
Published in Journal of Materials & Metallurgical Engineering · Vol. 9, Issue 2, 2019 · pp. 1–6 Read article
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Smart Agriculture Robot with Autonomous Functions
Abstract: Blades that can efficiently cut through field grass are coupled to a high-speed DC motor that powers the robot. The seedling sowing system makes sure that seeds are dispersed precisely and uniformly for best growth. To keep plants' moisture levels at their ideal levels, the watering system is made to spray water on them at regular intervals. The robot has a black line sensor that makes it easy for it …
Published in Journal of Microelectronics and Solid State Devices · Vol. 10, Issue 1, 2023 · pp. 29–35 Read article
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Mechanical and Wear Characterization of Fly Ash, Coconut Shell Ash and Rice Husk Ash Dispersed Epoxy Glass Composites
Abstract: Over the last few decade the use of fibre reinforced polymer composite materials has increased considerably. Fiber reinforced composite processes some unique properties due to that it is used in various technological areas such as space, aircraft, marine and automotive. In recent years there is lot of research going on, to enhance the different properties of composite materials by using different filler materials. In present study different filler materials like …
Published in Journal of Polymer & Composites · Vol. 6, Issue 2, 2018 · pp. 10–16 Read article
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Chemical Synthesis, Spectral Characterization and Electrical Conductivity Behavior of Poly(2-Methoxyaniline-Co-2-Chloroaniline) and its CuO Nanocomposite and Polypropylene Glycol Blend
Abstract: AbstractCopolymerization of 2-chloro aniline and 2-methoxy aniline was achieved chemically by oxidative polymerization technique using ammonium persulphate as the oxidizing agent in acidic medium in the presence of sodium lauryl sulphate, an anionic surfactant. Copolymerization was also carried out in the absence of the surfactant to study the effect of surfactant on the thermal stability and electrical conductivity. The copolymer composite with CuO nano particles and blend with poly propylene …
Published in Journal of Polymer & Composites · Vol. 6, Issue 3, 2018 · pp. 1–13 Read article
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Synthesis and formability of Al/(Fe-Mn) particulate compositeusing stir casting
Abstract: Demand for lightweight and fuel economy by automotive and aircraft industries focuses to explore different materials. Alloys and composites developed with same objective to obtain superior desired mechanical properties compatible for such intended applications. However, alloy consider as solid solutions with metallic properties and cannot mix with primary major element in random proportions. This forced researcher community to develop composites, which are heterogeneous solid solutions or multi-phase materials comprising matrix …
Published in Journal of Polymer & Composites · Vol. 10, Issue 1, 2022 · pp. 80–88 Read article
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Structural and Electrical Properties of Low-Energy Ion Beam Kr-Irradiated In/Se Bilayer
Abstract: In the present work, In (~50 nm) over Se (~50 nm) thin films were deposited successively on an Si substrate by e-beam evaporation method under 2×10–5 mbar pressure. The In/Se bilayers were irradiated with low-energy ion beams of 350 keV Kr+1 with fluence of 3 × 1016 ions/cm2. The sample was subsequently characterized for phase formation using X-ray diffraction and thickness profile using Rutherford backscattering spectrometry analysis. In the pristine …
Published in Journal of Polymer & Composites · Vol. 11, Issue 1, 2023 · pp. 91–96 Read article
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Estimation of Mechanical Properties of Kevlar/Basalt Intrawoven Composite Laminates Containing Nanoparticles
Abstract: Purpose: The research describes estimation of various Mechanical properties like compression, tensile, shear and impact strength of Kevlar/Basalt (KB) Intrawoven 1×1 composite laminates, each comprising 1%, 3% and 5% of Al2O3 (Aluminium oxide) nanoparticles. Design/methodology/approach: These are woven with the help of manual handloom weaving machine, compression moulding technique was adopted for the fabrication of hybrid composite laminates. Attempts have been made to analyse the mechanical properties of Kevlar/Basalt intrawoven …
Published in Journal of Polymer & Composites · Vol. 11, Issue 2, 2023 · pp. 1–12 Read article
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Energy Estimations and Hypothetical Design of an Exclusive Tourism Spot in Coastal Region Named “Bhasan Char” of Bangladesh
Abstract: Bhasan Char is a coastal island at Hatiya upzilla of Noakhali District. It is a single charwhich has been uncovered from the Bay of Bengal a few years back. An emergencyhumanitarian project implemented by the government of Bangladesh at this coastal island“Bhasan Char”, from September 2017, to temporarily rehabilitate a portion of incomingRohingya refugees before they can repatriate to their homeland, Myanmar. Under thisproject, government of Bangladesh carries out land …
Published in Journal of Power Electronics and Power Systems · Vol. 9, Issue 3, 2019 · pp. 10–18 Read article
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Circuit Topologies, Operation, Control Schemes and Modulation Techniques of Modular Multilevel Inverter
Abstract: The Modular Multilevel Converter (MMC) is one of the developing topology. MMC has several attractive features such as a modular structure, transformer-less operation, easily scalable in terms of voltage and current, low expense for redundancy and fault tolerant operation and excellent output waveforms quality. Due to these attractive features industry and researcher increased the interest in this converter. This interest results in the development of new power topologies, modulation strategies …
Published in Journal of Power Electronics and Power Systems · Vol. 7, Issue 1, 2017 · pp. 28–40 Read article
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Wall to Bed Mass Transfer in the Presence of Double Cone Promoter in a Three Phase Fluidized Bed with Conical Entry of Electrolyte
Abstract: AbstractInvestigations have been carried out experimentally to study the effect on wall-to-bed mass transfer coefficient in presence of double cone promoter in a three-phase fluidized bed with a conical entry of electrolyte. The system chosen was an electrolyte as liquid phase, glass spheres of different diameters as solid phase and inert nitrogen as gas phase. The electrolyte was an equimolar solution of potassium ferricyanide and potassium ferrocyanide each of 0.01 …
Published in Journal of Petroleum Engineering & Technology · Vol. 7, Issue 2, 2017 · pp. 39–43 Read article
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Biopolymer Substitution and Impact on Cuttings Transport of a Lightweight Water-Based Drilling Fluid
Abstract: The aim is to determine the impact of substitution of a local material for another, on rheological properties and hole cleaning capability. A local biopolymer Mucuna solannie was used as a substitute for another biopolymer, Detarium microcarpum, primarily as a viscosifier in a water-based drilling fluid. Tests were carried out using standard equipment and specifications. Variations in transport efficiency and required minimum fluid flow rate at same cuttings concentration (CC) …
Published in Journal of Petroleum Engineering & Technology · Vol. 7, Issue 2, 2017 · pp. 54–64 Read article
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Perceptions of Material Management/Production Practices as Measures of Financial Planning and CostControl on Construction Sites
Abstract: Financial planning and cost control on construction projects are necessary to avert cost overruns, ensuring that the final cost does not exceed the projected capital outlay. Material management and production practices constitute financial planning and cost control measures that are mandatory to increase the profit margin of construction firms. This is against the backdrop of the likely resource commitment made by construction firms in obtaining project finance to purchase materials. …
Published in Journal of Production Research & Management · Vol. 13, Issue 2, 2023 · pp. 64–71 Read article
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Analysis of Operational Transconductance Amplifier using Low Power Techniques
Abstract: The paper presents a low power design of Current Mirror based Operational Transconductance Amplifier. The analysis of operational transconductance amplifier has been carried out using conventional gate-driven and low power techniques realised with quasi-floating gate, bulk-driven and bulk-driven quasi-floating gate transistors. The comparative analysis of performances of the amplifiers designed using the above techniques indicate that the best performance is achieved by bulk-driven quasi-floating gate approach. Using bulk as input, …
Published in Journal of Semiconductor Devices and Circuits · Vol. 2, Issue 1, 2015 · pp. 14–22 Read article
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Seismic Analysis of Vertically Regular and Irregular Building with and without Soft Storey at Different Levels
Abstract: AbstractFor fulfilling functional requirement of community like parking lots, lobbies etc. and increasing unbalance of required area to availability, it is necessary to provide open storeys without brick infill in both types of buildings, that is, in commercial and residential buildings. Open storeys without brick infill, reduce stiffness and also load exhibits higher stress on load carrying members. Present analytical study has been done to find out performance and evaluation …
Published in Journal of Structural Engineering and Management · Vol. 4, Issue 3, 2017 · pp. 24–30 Read article