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756 articles for “Matrix”
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Analysis of Hydrodynamic Characteristics of a Squeeze Film in O-Ring Assembly Under the Oscillating Motion
Abstract: In the most of the non-contacting face seals, squeezing occurs in the fluid film between the O-ring surface and the mating surfaces in the gland assembly. Therefore, hydrodynamic characteristics are easily simulated by considering a fluid film between a rubber surface (O-ring surface) and a rigid surface (machined surface). In this paper, effects of surface roughness of rubber block on leakage flow rate and hydrodynamic force developed in fluid film …
Published in Journal of Experimental & Applied Mechanics · Vol. 6, Issue 2, 2015 · pp. 1–12 Read article
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Study of Free Vibration Analysis of Circular Laminated Plate Based on FSDT
Abstract: Fiber and matrix make up a composite substance. As a result, a composite material is a product that has two or more distinct constituent materials or phases. Layers of composite material fibres are assembled to have ideal engineering properties in a composite laminate. The aim is to create a material that outperforms its constituent parts in terms of efficiency. Mechanical strength, corrosion resistance, high-temperature resistivity, heat conductivity, stiffness, resilience, lightness, …
Published in Journal of Experimental & Applied Mechanics · Vol. 12, Issue 1, 2021 · pp. 1–5 Read article
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The Effect of Compression on Sound Absorption of Multi-layered Isotropic and Transversely Isotropic Porous Materials at Oblique Incidence
Abstract: Porous materials which are effective in sound absorption in automobile and airplane industry areoften used under compression. This compression is associated with a reduction in thickness and theresulting changes in acoustical properties and non-acoustical parameters of the porous materials.Therefore, these acoustics changes should be taken into account when the behavior of these materialsis studied. So far, the studies on the effect of compression on sound absorption characteristics ofporous materials have …
Published in Journal of Experimental & Applied Mechanics · Vol. 12, Issue 1, 2021 · pp. 43–61 Read article
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A POLYESTER RESIN COMPOSITE-BASED EXPERIMENTAL INVESTIGATION OF CHARCOAL PARTICLE REINFORCED GLASS FIBRE
Abstract: The mechanical characteristics of jute/E-glassfibre polyester composites were examined (AC) after theincorporation of activated carbon particles. The polyestermatrix was loaded with five different particle loading ratios(0, 5, 10, 15 and 20 percent). To increase the adhesion of jutefibres to the polyester matrix, they were treated in a NaOHsolution. Hardness, tensile, and water absorption tests wereperformed on polyester, Activated Carbon- filled polyesterand jute/E-glass fibers polyester with and without ActivatedCarbon filter. The …
Published in Journal of Experimental & Applied Mechanics · Vol. 14, Issue 1, 2023 · pp. 57–62 Read article
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Dynamic Modelling and State-Feedback Control of a Rotational Base Flexible Link Manipulator
Abstract: In this paper, dynamic modelling of single-link flexible robot manipulator is presented using lumped parameter method in a different approach. Model is simulated using MATLAB/ SIMULINK. State feedback controller is used to control the hub angle and tip deflection. Effectiveness of the controller is shown with different payload. State feedback using pole-placement; work satisfactorily with the change in the feedback gain matrix.
Published in Journal of Electronic Design Technology · Vol. 5, Issue 3, 2014 · pp. 15–21 Read article
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Appliance Scheduling Optimization For Demand Response Using Schedulling Algorithm
Abstract: The exploration concentrates on the test of the power utilization the board in keen networks. It centers around various effects of interest reaction running in the savvy matrix connecting with buyers to take part. The principle obligation of the interest reaction framework is planning the activity of machines of customers to accomplish an organization wide advanced execution. Each taking an interest power purchaser, who claims a bunch of home machines, …
Published in Journal of Electronic Design Technology · Vol. 12, Issue 2, 2021 · pp. 10–16 Read article
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Evaluating Low Carbon Supply Chain Practices in India using Fuzzy Tool based Importance and Performance Analysis
Abstract: Abstract The aim of present study is to introduce new logical method to select critical low carbon supply chain practices (LCSCP) having integrated and performance analysis under different environments. The manufacturing companies in India are having lots of loads to reduce environmental pollution. Suitable application of LCSCP ensures proper utilization and also motivates companies to take global pollution-based problems. Therefore, there are few techniques available for the analysis of LCSCP …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 9, Issue 1, 2019 · pp. 29–39 Read article
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Remote Sensing Classification Based on Improve Ant-Miner Algorithm: A Case Study of Alwar, Rajasthan, India
Abstract: Earth Observation Satellite (EOS) image itself contains image ambiguity. Various conventional methods like minimum distance to mean or maximum likelihood image clustering algorithm do not meet the accuracy that have required by user in the virtue of cost-effective land use/land cover classification. In Ant colony optimization (ACO), association rule mining is a prevalent and well researched method for discovering useful relations between variables in large databases. The proposed work presents …
Published in Journal of Geotechnical Engineering · Vol. 2, Issue 3, 2015 · pp. 1–5 Read article
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A Study on Selection Issues of An Integrated Service Provider 4PL Using FAHP
Abstract: AbstractThe modified Fuzzy Analytical Hierarchy Process (FAHP) which is proposed after the concepts like fuzziness, uncertainty and vagueness was broadly posed in expert's decision-making. In the Fuzzy Extent Analysis method and α-cut based method, FAHP is described to obtain a crisp priority vector from a triangular fuzzy comparison matrix. Analytical Hierarchy Process (AHP) which especially is based on pair-wise comparisons on a ratio scale. In this present research, initially, the …
Published in Journal of Industrial Safety Engineering · Vol. 2, Issue 1, 2015 · pp. 1–4 Read article
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Hexapod Robot Platforms: Applications in Real-world Environments
Abstract: The main goal of this project is to present a fully constructed Hexapod robot with six legs for versatile movement and a wide range of degrees of freedom. While previous studies have focused on mobile robots, recent advancements have led to the development of impressive navigator robots that have practical applications. The Hexapod's multiple legs offer the advantage of easy customization and the ability to perform various gaits, including tripod, …
Published in Journal of Instrumentation Technology & Innovations · Vol. 13, Issue 2, 2023 · pp. 54–64 Read article
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Optimizing Fusion Zone Grain Size, Hardness and Tensile Strength of Micro Plasma Arc Welded Titanium (Ti-6Al-4V) Alloy Using Grey Relational Analysis
Abstract: In the present work, Titanium (Ti-6Al-4V) alloy sheet of 0.5 mm thick is butt welded using Micro Plasma Arc Welding. Welding input parameters like peak current, base current, pulse rate and pulse width are considered and output responses like fusion zone grain size, hardness and ultimate tensile strength of the welded joint are considered. Taguchi L25 orthogonal matrix is adopted by considering four factors and five levels of weld input …
Published in Journal of Mechatronics and Automation · Vol. 5, Issue 2, 2018 · pp. 21–33 Read article
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Optimization of WEDM Process Parameters Using a Hybrid Multi-Criteria Decision Making Approach
Abstract: The effectiveness of the manufactured parts is typically measured by more than one performance characteristics. Hence the manufacturing engineers frequently experience the difficulty in optimizing the multiple responses at a time. The present work is to explore the effect of wire electrical discharge machining (WEDM) process parameters in machining of Aluminum metal matrix composite (AMMC). The multiple performance characteristics of material removal rate (MRR) and surface roughness (Ra) are optimized …
Published in Journal of Mechatronics and Automation · Vol. 5, Issue 3, 2018 · pp. 24–30 Read article
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Optimization of Machining Parameters for End Milling of 1018 Mild Steel using Taguchi based Grey Relational Analysis
Abstract: The present work investigate the parametric optimization of end milling operation for 1018 mild steel with multiresponse criteria based on Taguchi approach with the Grey relational Analysis. Taguchi’s L9 orthogonal array which takes nine experimental runs was used to execute the design matrix of machining parameters. Cutting speed (CS), Feed (FD), Cutter RPM and Depth of cut (DOC) are optimized with the consideration of multiple performance characteristics namely Machining time …
Published in Journal of Mechatronics and Automation · Vol. 3, Issue 2, 2016 · pp. 36–47 Read article
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Design Optimization of Microstrip Antenna with EBG and DGS Using the Genetic Algorithm to Reduce the Mutual Coupling
Abstract: The purpose of this paper is to construct, create, and reproduction of different antenna structures using electromagnetic band gap (EBG) materials and defected ground structures (DGS). Microstrip antennas are processed in order to improve performance by changing the shape of the geometry of the antenna, in particular to reduce the mutual coupling between the elements. The propagation of electromagnetic waves in a specified frequency range have the unique ability to …
Published in Journal of Microwave Engineering and Technologies · Vol. 3, Issue 1, 2016 · pp. 11–30 Read article
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Inversions of 10 Link 12 Joint 3 F Compound Kinematic Chains
Abstract: Author’s objective is to prepare a catalogue of equivalent and distinct mechanisms in 10 link 12 joint 3 F compound kinematic chains. It will help the new researchers/designers to select the best mechanism kinematic chain and mechanism to perform the desired task at the conceptual stage of design. The suggested technique is based on the visualization of the coefficients of polynomials of the edge-edge matrix. These coefficients have been used …
Published in Journal of Materials & Metallurgical Engineering · Vol. 8, Issue 1, 2018 · pp. 1–9 Read article
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An Overview of Welding of Aluminium Alloys through Pulse – Gas Metal Arc Welding Process
Abstract: Newer aviation and automobile designs intend at minimizing weight. Motivated by this requirement light metal industry is experiencing some stimulating developments. One of the mainly used light metals is aluminium. As aluminium is exploited as a substitute material, many challenges have been emerged in front of manufacturers. Some of them are development of new aluminium alloys, joining of diverse types of aluminium alloys and enhancement in weld quality of welds …
Published in Journal of Materials & Metallurgical Engineering · Vol. 8, Issue 1, 2018 · pp. 17–24 Read article
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An Experimental Investigation on Hybrid Polymeric Composite Materials Reinforced with Sisal & Acacia Fiber
Abstract: AbstractThe demand for wood materials in the construction of building field is on the rise. This leads to the depletion of natural resources and encourages deforestation. The polymeric composite materials reinforced with natural fiber are being used as a wood substitute and is also used for fabricating interior parts of the automobiles. Acacia fiber is also added to the polyester resin, since it is good in compressive and tensile strength. …
Published in Journal of Materials & Metallurgical Engineering · Vol. 8, Issue 3, 2018 · pp. 19–24 Read article
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Effect of Solutionizing and Ageing on Mechanical Properties of AL2024 Reinforced Alumina Particulate
Abstract: AbstractAluminium 2024 alloy is widely used at automobile and aircraft industries in the form of cast component with varying section size. This study investigates how the microstructure and mechanical properties of AL2024 alloy before and after heat treatment processes. Solution sing at 493°C-5H followed quenching in water at room temperature. Stir casting method is followed to obtain the required composite material with proper mixing of reinforcement. Further, the mechanical properties …
Published in Journal of Materials & Metallurgical Engineering · Vol. 8, Issue 3, 2018 · pp. 8–12 Read article
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Effect of Isothermal Ageing on Microstructure and Mechanical Behavior of 0.5Cr-0.5Mo-0.2V Low Alloy Steel
Abstract: Cr-Mo-V based low alloy steels are widely used in thermal power plants because of their ability to withstand elevated temperature and high pressure under continuous operation. With ferrite-pearlite and/or ferrite-bainite microstructures, these steels find their applications in boiler tubes, pressure vessels and steam turbines. Being cost effective is one of the important factors, which draws attention of many industrialists towards low alloyed steels over highly alloyed steels with austenitic matrix. …
Published in Journal of Materials & Metallurgical Engineering · Vol. 5, Issue 3, 2015 · pp. 7–14 Read article
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Comparison of RSM and ANN Modeling Approaches in Predicting the Laser Phase Transformation Hardening Parameters on the Heat Input and Hardened-Bead Profile Quality of Unalloyed Titanium
Abstract: In the present work, laser transformation hardening (LTH) of unalloyed titanium, nearer to ASTM Grade 3 of chemical composition was investigated using CW 2kW, Nd: YAG laser. The laser process variables such as laser power, scanning speed, and focused position play a major role in deciding the laser hardened bead quality. Two methods, Response Surface Methodology (RSM) and Artificial Neural Network (ANN) were used to predict the heat input and …
Published in Journal of Materials & Metallurgical Engineering · Vol. 5, Issue 1, 2015 · pp. 36–59 Read article