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1128 articles for “Models”
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Modeling of CSTR Reactor for Sodium Benzoate Production
Abstract: The mathematical model was developed for Continuous Stirred-Tank Reactor (CSTR) for the production of sodium benzoate from the reaction of sodium hydroxide and benzoic acid. The performance equation for the operation of CSTR was developed for the analysis of the reactor’s functional dimensions and parameters. The analysis of the reactor’s functional parameters was performed at molar ratio of benzoic acid to sodium hydroxide of 1.5 to 3.0 at intervals of …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 4, Issue 1, 2018 · pp. 38–50 Read article
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Development of Mathematical Model for the Catalytic Polymerization of Propylene Process
Abstract: Mathematical model was developed to monitor, predict and simulate the catalytic polymerization of polypropylene process in a continuous stirred Tank Reactor, (CSTR). The developed model was based on consideration of functional parameters that influence the catalytic polymerization of propylene process production. These functional parameters are hydrodynamic factors, which induce process coverage into Aspen polymers to demonstrate the reliability of mass and heat transfer phenomena experienced during catalytic polymerization of propylene …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 4, Issue 2, 2018 · pp. 29–36 Read article
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Isothermal CSTR Heat Exchanger Rating Models for Acetic Acid Production using Homogeneous Catalysed Reaction
Abstract: This work deals with the development of design models for heat exchanger rating in homogeneouscatalytic acetic acid production at isothermal condition exploiting the derived continuous stirred tankreactor heat generation per unit volume equations at constant temperature. Coil in tank heatexchanger is invoked for this study resulting to novel design equations which were stochasticallyexamined and found to be capable of simulating the rating performance dimensions as a function ofkinetic parameters. The …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 7, Issue 1, 2021 · pp. 14–28 Read article
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Predictive Model to Monitor the Rate of Dissolved Nitrogen Influenced by Void Ratio in Silty and Gravel Bed Formation in Coastal Area of Warri Delta State of Nigeria
Abstract: This paper evaluated the rate of dissolved nitrogen in silty and gravel soil formation, the study is to monitor the rate of dissolved nitrogen at different strata to phreatic bed, homogeneous formation were observed to have deposit in the study location, organic soil were insignificant since the formation deposited slight quantity, the predominant formation is homogeneous silty and grave soil strata, the void ratio deposition were at high rate in …
Published in International Journal of Construction Engineering and Planning · Vol. 4, Issue 1, 2018 · pp. 42–48 Read article
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Analysis of Stability of Slope Subjected to Blast Vibrations: A Numerical Modelling Approach
Abstract: Numerical simulation was employed to estimate the dynamic behaviour of the canal slope under blasting load based on the blast vibration field test of Yanakandla Mine, Kurnool District of Andhra Pradesh. Blast vibrations were monitored at different distances and based on the data obtained a regression curve was generated. The study consisted of slope stability analysis of the canal near the mine using Distinct Element Modelling technique in 3DEC software. …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 2, Issue 1, 2016 · pp. 39–47 Read article
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PREDICTION OF RECYCLED CONCRETE AGGREGATE SELF COMPACTING CONCRETE COMPRESSIVE STRENGTH USING MATHEMATICAL MODEL
Abstract: Sustainable Development aims at improving the standard of life without compromising the environmental qualities and for future needs. These objectives can be achieved through recycling of construction/demolished waste. In Past, land filling of Construction and Demolished waste materials was the general solution. As raw Construction Material Charges have risen dramatically, we have to look for alternative solutions and methods, such as recycling of demolished waste. Recycled Aggregate Concrete not only …
Published in International Journal of Structural Engineering and Analysis · Vol. 5, Issue 2, 2019 · pp. 34–43 Read article
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Modeling the Shape of Compaction Curve for Asphalt Stabilized Soil
Abstract: The knowledge and modeling of the exact shape of the laboratory compaction curve provides a means for a good understanding of the susceptibility of soil to water. The models provide effective means for quantifying the sensitivity of the compaction process to the various factors affecting the process. The basic mathematical description of soil compaction is the relationship between molding moisture and the dry density. Two types of soil and three …
Published in International Journal of Transportation Engineering and Traffic System · Vol. 2, Issue 1, 2016 · pp. 10–21 Read article
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Comparative Modeling of Pavement Surface Texture Variables Using ANN and SPSS Software
Abstract: The health of Roadway pavement surface is considered as one of the major issues for safe driving. Pavement surface condition is usually referred to micro and macro textures which enhances the friction between the pavement surface and vehicular tires, while it provides a proper drainage for heavy rainfall water. Measurement of the surface texture is not yet standardized, and many different techniques are implemented by various road agencies around the …
Published in International Journal of Transportation Engineering and Traffic System · Vol. 2, Issue 2, 2016 · pp. 30–40 Read article
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Predictive Model to Monitor Dissolved Oxygen Deficit and Velocity Variation Influenceon Mycoplasima Transport in Choba River
Abstract: This paper expressed various impacts from oxygen and river velocity on the transport of Mycoplasima in Choba River. The study monitor the impact of these two parameters at different pointsource of waste discharge in the River, other parameterswere integrated, but were not considered significant, since there rate of impact were not determined in the study location. The two considered parameters were applied in the system to determined their direct rate …
Published in International Journal of Water Resources Engineering · Vol. 6, Issue 1, 2020 · pp. 10–20 Read article
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Study and Developing of Diversity Generation Methods in Heretogeneous Ensemble Models
Abstract: The article deals with the fundamental problem of generating a diversity of ensemble predictive models. Various approaches to ensemble diversity are described based on varying the input data set, varying the models used in the ensemble, varying within the model itself, and varying the way the results of the ensemble members are combined. A hybrid method for constructing a heterogeneous ensemble based on various types of neuro-fuzzy networks with a …
Published in International Journal of Distributed Computing and Technology · Vol. 7, Issue 1, 2021 · pp. 8–15 Read article
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A Study of Mobility Models in Wireless Ad-Hoc Network
Abstract: The impact of mobility models depends upon the routing protocols in ad hoc networking. This work provides a comprehensive study using wide range of a wireless ad hoc network parameters, and draws conclusions for the performance of routing protocols under different mobility models. The routing protocols used are DSR. The mobility models used are Random Way Point (RWP), Gauss Markov (GM). The performance metrics used are Packet Delivery Ratio (PDR), …
Published in International Journal of Image Processing and Pattern Recognition · Vol. 3, Issue 2, 2017 · pp. 20–26 Read article
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State Wise Covid-19 Case Forecasting Based on Machine Learning by Using SEIR and Time Series Models
Abstract: Forecasting mechanisms based on machine learning have proved to be significant to anticipate in peri-operative outcomes that improve decision-making in the future. Applications where it is necessary to identify risk factors with a negative impact have used machine learning models. To solve problems with forecasting, many prediction techniques are applied. The COVID-19 virus, which is active and is currently regarded as a serious threat to humanity, is shown in this …
Published in International Journal of Broadband Cellular Communication · Vol. 9, Issue 1, 2023 · pp. 1–9 Read article
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Application of MATLAB Simulation Processes on Transfer Functions and Model Equations for Pneumatic Force-Balance Transmitter
Abstract: An investigation was conducted to examine the application of MATLAB simulation processes on transfer functions and model equations for pneumatic force-balance transmitter. A mathematical model was developed to demonstrate the relationship between time and pressure as well as displacement in proportional, derivative and integral controllers. The results obtained revealed increase in times as well as increase in displacement for proportional controller, proportional integral controller and proportional derivative controller. MATLAB 2013 …
Published in International Journal of Digital Communication and Analog Signals · Vol. 4, Issue 1, 2018 · pp. 7–14 Read article
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Modeling of Material Removal Rate in Micro EDM Using Neural Network
Abstract: In micro-electrical discharge machining (Micro EDM) machining, material removal rate (MRR) is the particular main output parameter. Here we will discover various machining parameters get an effect on the particular MRR. For production industries, to maximize the results from Micro EDM, appropriate predictive designs for MRR must end up being constructed. This particular report utilizes neural network modeling to predict MRR over the particular machining time for assortment of cutting …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 4, Issue 1, 2018 · pp. 30–39 Read article
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Modelling and Critical Analysis of a Two Stage Tubular Coil Launcher
Abstract: In the modern launching technology, emphasis has been increasingly focused on the fundamental parameters like velocity, precision control, efficiency and flexibility of the launch projectile. Electromagnetic launchers (EMLs) can significantly satisfy most of the above aspects and can be predecessor for the previous launching mechanisms. EMLs become an alternative to the cartridge launching, thereby avoiding the limitations associated with it. This article presents the modelling and analysis of a multistage …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 1, Issue 2, 2015 · pp. 17–24 Read article
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Machine Learning Bouc-Wen Model for Nano- positioning System
Abstract: Most of the application in present world has taken ‘Nano’ as a part of their near future implementation. In Nano-Positioning System (NPS) the mechanical dynamics are handled at Nano scale. Designing a precisioned NPS is a greater challenge. To have a better hysteresis and better behaviour (Static/Dynamic) the Bouc-Wen model is modified by linearizing. In this work SISO (Sıngle-input Sıngle-Output) and MIMO (Multiple-Input Multiple-Output) models of NPS are designed. In …
Published in International Journal of Applied Nanotechnology · Vol. 9, Issue 1, 2023 · pp. 14–25 Read article
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Predictive Model to Monitor the Effect of Angular Momentum of an Electron in an Orbital
Abstract: Mathematical model was developed to examine the effect of angular momentum of an electron in an Orbital. The Lamor procession and vector of angular momentum function of the S,P orbitals revealed increase in the angular momentum with increase in orbital. The trend on spd orbital in terms of angular momentum shows the same behaviors as well as spdf orbital. The quantum angular momentum shows that the energy of the system …
Published in International Journal of Energetic Materials · Vol. 6, Issue 1, 2020 · pp. 38–47 Read article
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Modelling the Parameters Affecting Interconnection of Grids Using ISM-MICMAC Approach
Abstract: grid interconnections offer links between power generating systems of adjoining countries with the aim of economical power sharing. Grid interconnection also offers several benefits such as reduced energy prices, better economic exchange and increased energy supply etc. The interconnection of power grids is a complex task which is affected by numerous parameters. These parameters not only influence the interconnection of grids but also influence each other. The main objective of …
Published in International Journal of Metallurgy and Alloys · Vol. 2, Issue 1, 2016 · pp. 8–19 Read article
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Empirical Modelling of Metal Corrosion in Loamy Soil and Saltwater Environment
Abstract: The corrosion rate of metal in loamy soil and saltwater environment was monitored, predicted, and simulated using empirical modeling. The metal under investigation is carbon steel, which is found in a loamy soil and saltwater environments. The carbon steel sample immersed in a saltwater medium exhibited a higher corrosion rate compared to the loamy soil sample. The rise in corrosion of carbon steel can be attributed to the physiochemical characteristics …
Published in International Journal of Metallurgy and Alloys · Vol. 9, Issue 1, 2023 · pp. 20–34 Read article
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Predictive Model on Constant Pressure Drop Variable: Area Fluid Flow System in a Pipe
Abstract: The effect of density, pressure drop, and orifice area was examined in this research. The basic equation developed to represent steady-state fluid flow is the Bernoulli equation which assumes that the total mechanical energy is conserved for steady incompressible, in viscid, isotherm flow with no heat transfer or work done. These restrictive conditions can actually be representative of many physical systems. The Bernoulli’s principle was applied in explaining the design …
Published in International Journal of Mechanics and Design · Vol. 4, Issue 1, 2018 · pp. 23–34 Read article