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629 articles for “Computation”
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A Detailed Lumped Model for Vinyl Acetate Emulsion Polymerization
Abstract: Abstract A mathematical model was developed to simulate emulsion polymerization of vinyl acetate monomer in isothermal, batch and semi-batch reactors. The recipe components included monomer (vinyl acetate), initiator (potassium persulfate), surfactant (sodium dodecyl sulfate) and water as the dispersion medium. The two important phenomena, particle nucleation and particle growth, were modeled in adequate detail. The mechanistic details included: particle formation via micellar nucleation; coupling of the radical concentration in the …
Published in International Journal of Polymer Science and Engineering · Vol. 5, Issue 1, 2019 · pp. 1–12 Read article
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A Model to Study the Effect of Homogeneous Nucleation and Emulsifier Amounts on Methyl Methacrylate Emulsion Polymerization in a Seeded Semi-batch Reactor
Abstract: ABSTRACTAn extensive model is developed for methyl methacrylate emulsion polymerization. The assumption of monodispersed particle size distribution is used in developing the model. It is found that inclusion of homogeneous nucleation in the model leads to under prediction of variation of conversion with time. The effects of three different emulsifier amounts on the variation of conversion with time at 50°C isothermal reactor operation, keeping all the other ingredients constant are …
Published in International Journal of Polymer Science and Engineering · Vol. 5, Issue 2, 2019 · pp. 9–17 Read article
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Effect of Fluid Viscosity and Iron-Fluid Composition on Damping Ability of Magnetorheological Damper during Hard Turning Process
Abstract: In manufacturing industry where metal cutting operation take place, tool vibration is an undesirable phenomenon which affects surface finish of the work piece, tool life and cause discomfort to human personal. In order to avoid tool vibration, the concept of magnetorheological (MR) damper was considered in this study. When a magnetic field is applied to the MR fluids, particle chains form and the fluid becomes a semisolid. This transition is …
Published in International Journal of Mechanics and Design · Vol. 2, Issue 2, 2016 · pp. 1–13 Read article
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Review on the Mechanics of Lightweight 3-D Graphene Assembly
Abstract: The purpose of this paper is to improve the results of Recent advances in three-dimensional (3D) graphene assembly, it has shown how we can make solid porous materials which is lighter than air. In its two-dimensional form, graphene is thought to be the strongest of all known materials. But researchers until now have had a tough time decoding that two-dimensional strength into beneficial three-dimensional materials. It is possible that these …
Published in International Journal of Mechanics and Design · Vol. 3, Issue 1, 2017 · pp. 9–13 Read article
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Review on Thermoelectrical Generator and Software Analysis of Exhaust System
Abstract: In this century global warming is a very concerning issue. Vehicles are day-by-day increasing on roads, which emits harmful hot gases to environment. Due to exhaust gases and unwanted pollution TEG is a concept to utilize the heat energy of an engine for other works purposes. A major part of energy is being engaged in such issues. Here a study of conservation is being followed. TEG thermo-electric generator is a …
Published in International Journal of Mechanics and Design · Vol. 6, Issue 2, 2020 · pp. 38–45 Read article
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Design and fabrication of Garbage Cleaner Vehicle
Abstract: The development and construction of a partially automatic electronic rubbish collecting bot vehicles is the subject of the aforementioned study proposal.. The job was completed in light with the existing state of our storage areas, they are filthy with garbage, pollution, and dangerous chemicals. This machine's design to clean the surface of the waste was based on that. To supply the products more quickly, nearly every step of manufacturing is …
Published in International Journal of Mechanics and Design · Vol. 9, Issue 1, 2023 · pp. 35–41 Read article
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Enhancing the Heat Transfer in the Thermal Chimney by Attaching the Fin under CFD Analysis
Abstract: The primary and secondary heaters in heat exchangers were numerically evaluated at nominal temperatures of 140°C for the primary heaters, 100°C for the secondary heaters, and 20°C for the ambient temperature in order to validate the design idea for enhancing the air temperature. The “convective heat transfer” of air in a thermal chimney built to laboratory size using two different types of electrical heaters and a rectangular cross-section of constant …
Published in International Journal of Mechanics and Design · Vol. 9, Issue 2, 2023 · pp. 9–26 Read article
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A Comprehensive Study On Optimization Of Neural Networks And Global Minimization
Abstract: The neural network toolbox is one of the commonly used, powerful, commercially available software tools for the constructing new networks and forms a inter linkage between each other. The software is user-friendly, permits flexibility and convenience in interfacing with other toolboxes in the same environment to develop a full application the wide range of applications and has a wide range of scope in making models with linear and non-linear functionalities …
Published in International Journal of Manufacturing and Materials Processing · Vol. 2, Issue 1, 2016 · pp. 11–18 Read article
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CFD Analysis of Hydrodynamic Journal Bearing
Abstract: Journal bearings have the longest history on scientific study of any class of fluid-film bearings. These journal bearings are widely used in most of the rotating machineries due to its high load-carrying capacity and formation of fluid-film thickness during the operation. This research paper represents performance evaluation of hydrodynamic journal bearing using Computational Fluid Dynamics (CFD) approach. For this study, two different geometrical bearings are considered (circular and non-circular) operating …
Published in International Journal of Manufacturing and Materials Processing · Vol. 4, Issue 2, 2018 · pp. 23–29 Read article
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Properties in Materials for Car Frame Structure
Abstract: Selection of materials for car body frame ‘the body-in-white’ considers association of structural components. This context emphasizes competitive materials like aluminum and composites in place of steel for equivalent performances in area body panels. Continuous variation in legislation and competences of industrialists to competitive market have appeared to use functionally graded materials of additive properties like thermal transport and joining ease. Tubular shapes have encouraged production of stiff commercial auto …
Published in International Journal of Manufacturing and Materials Processing · Vol. 5, Issue 2, 2019 · pp. 41–51 Read article
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Study of Shape from Focus Algorithm
Abstract: Computer vision incorporates various three dimensional (3D) vision techniques which mainly aims at reconstructing a scene from a set of two dimensional (2D) images. Passive 3D vision techniques such as stereo vision require disparity between the images of the same scene taken from multiple views. Shape from focus (SFF) is a technique which recovers 3D geometry of the scene based on focus which is an accommodation cue. Multiple images of …
Published in International Journal of Computer Aided Manufacturing · Vol. 1, Issue 2, 2016 · pp. 13–20 Read article
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Research Insight: Highlights on CAM Applications in Production
Abstract: Most of the machines needed control systems for operating the machine. There are various control systems available, such as automatic control, computer control, manual control, and remote control. For the convenience of mass production, machines needed to repeat speed, automatic actions, and precise continuously. These machines may use mechanical, pneumatic and electrical systems to control. However, some changing procedures, fixed procedures, or tools may need a lot of time to …
Published in International Journal of Computer Aided Manufacturing · Vol. 1, Issue 1, 2016 · pp. 15–18 Read article
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Machining process simulation of SOM 125 series printing machine components using CATIA V5 Machining
Abstract: Based on the additional competition in the marketplace, producers who used traditional manufacturing contracts and policies, has to adopt computer aided manufacturing techniques for the point of producing process planning and NC-programming more effective. By applying appropriate software with multiple skills, significant gains in terms of production lead-time can be achieved and a higher level of precision in the manufacture can be certained. In this study, an attempt to use …
Published in International Journal of Computer Aided Manufacturing · Vol. 1, Issue 2, 2016 · pp. 40–50 Read article
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Selection Criteria for a CAD System
Abstract: Computer aided design has become an important part of inventions and innovations these days. They help to accelerate and advance the development process. Today, in market, there are many CAD systems available on the basis of their functions and properties. Therefore, it becomes difficult to choose a CAD system for a particular job. This article is related to selection of appropriate CAD system for a job focusing on all influences …
Published in International Journal of Computer Aided Manufacturing · Vol. 3, Issue 2, 2017 · pp. 31–33 Read article
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CFD Analysis of Earth Heat Exchanger with Air as a Cooling Medium
Abstract: An earth air tube heat exchanger (EATHE) uses the thermal energy of the ground for the air cooling in summer and air heating in winter due to the temperature difference between the air and underground surface. With the help of EATHE we can reduce the energy consumption required for space heating or cooling. However, for determining the surface heat convection, due to lack of available methods it is difficult to …
Published in International Journal of Computer Aided Manufacturing · Vol. 3, Issue 2, 2017 · pp. 21–30 Read article
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Thermal Analysis of Earth Heat Exchanger Using Air as a Medium
Abstract: Thermal energy is the main concept of an earth air tube heat exchanger (EATHE), which uses the thermal energy of the ground for cooling and heating of the fluid medium. Here, air is used as cooling medium. The air cools in summer and gets heated in winter due to the temperature difference between the air and underground surface. However, for the study of the surface heat convection study of model …
Published in International Journal of Computer Aided Manufacturing · Vol. 4, Issue 1, 2018 · pp. 1–17 Read article
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Automobile Engine Assembly Line in an Automobile Industry
Abstract: Manufacturing industries give importance to the reduction of energy consumption due to the increase in energy cost and to create an eco-friendly environment. Assembly line is considered to be one of the cost intensive systems. Robots are recently being used to perform the assembly tasks instead of manual labor. There is a requirement of efficiently balancing the assembly line by allocating equal amount of work to workstations and assignment of …
Published in International Journal of Computer Aided Manufacturing · Vol. 4, Issue 2, 2018 · pp. 80–100 Read article
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A Review on Performance Analysis of CMOS Inverter
Abstract: In this paper, first we study the various inverter circuits and analyze its performance in terms of noise margin, area, power dissipation and computational delay. After that analyze the various parameter of CMOS Inverter circuit using Pyxis schematic tools of Mentor graphics with TSMC 018 CMOS process technology. Based on this simulation, analyze the rise time, fall time and dynamic power dissipation of CMOS inverter. Finally, we got the good …
Published in International Journal of Computer Aided Manufacturing · Vol. 5, Issue 1, 2019 · pp. 29–35 Read article
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A REVIEW ON SOFTWARE ANALYSIS OF EARTH HEAT EXCHANGER
Abstract: Renewable energy is the best source of energy. It is abundant in nature, it’s just like a gift of god. Nowadays, heating and cooling is a major issue in environment due to global warming. A major part of energy is being engaged in such issues. So Earth tube heat exchanger is a renewable source of energy for heating and cooling of any building. An Earth Air Tube Heat Exchanger (EATHE) …
Published in International Journal of Computer Aided Manufacturing · Vol. 5, Issue 2, 2019 · pp. 26–32 Read article
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Software Numerical Simulation on Earth Tube Heat Exchanger Where Air as A Flow Medium
Abstract: Renewable energy is free in nature and it must be brought into application. Due to use of air conditioning and its refrigerants global warming is a serious issue. Renewable energy is the main concept of an earth tube heat exchanger, which uses the thermal energy of the ground for cooling and heating of the fluid medium. Here, air is used as fluent working medium. The air cools in summer and …
Published in International Journal of Computer Aided Manufacturing · Vol. 6, Issue 1, 2020 · pp. 19–45 Read article