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650 articles for “Simulation”
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Analysis of Sun Path and Effective Shading Co-efficient using ECOTECT Software for Coimbatore
Abstract: Sun path of location depends on its latitude which creates a major heat impact on the surface of a building. This paper analyses the sun path of Coimbatore (11°N, 77°E), and its shading coefficient results as predicted by the ECOTECT software and Solar Tool. These sun path graphical presentations and calculated predictions of the shading coefficient can give a clear idea to the Architect/Designer to propose shading design, which can …
Published in International Journal of Architecture and Infrastructure Planning · Vol. 6, Issue 1, 2020 · pp. 18–27 Read article
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In-Vitro and In-Vivo Anti-Adipogenecity Activity of Two Plants using Rat Models
Abstract: This study examines how extracts of plant affect the dyslipidaemic state of fatty acid induced rats. Eight days following induction for differentiation with C-DMEM and simultaneously tested with the extracts of plant (day 8), our study found significantly reduced (p < 0.05) intracellular lipid accumulations in white muscle cells in the rats. This compared positively against the smaller reduction in accumulation found in the standard drug streptozotosin (STZ). This suppressing …
Published in International Journal of Animal Biotechnology and Applications · Vol. 6, Issue 1, 2020 · pp. 30–36 Read article
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Mathematical Modelling of the Effect of Functional Parameters of Temperature on Biodegradation of Petroleum Hydrocarbons
Abstract: Mathematical model was developed to examine the effect of functional parameters of temperature on biodegradation of petroleum hydrocarbons. The developed model was related to Monod’s equation and the microbial growth rate was monitored, predicted and simulated with variation on the functional parameters. The result obtained revealed increase in the microbial growth rate with increase in the functional parameter values. The maximum specific microbial growth rate was constant as well as …
Published in International Journal of Analytical and Applied Chemistry · Vol. 7, Issue 2, 2021 · pp. 21–27 Read article
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Distribution Parameter Concentration of Alkalinity and Total hardness in Stagnant Water Environment: The Concepts of Oil and Gas Emission Influence
Abstract: Model for predicting the distribution parameter concentration of alkalinity and total hardness in stagnant water environment upon the influence of oil and gasemission was investigated in this paper. The model was formulated from the basic principle of mass and momentum concept which was resolved to obtain an ordinary differential equation. A mathematical tool known as the least square method was applied to resolve the differential equation to obtain quadratic equation …
Published in International Journal of Chemical Separation Technology · Vol. 6, Issue 1, 2020 · pp. 14–22 Read article
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Optimization and Control of Evaporative Separation Processes
Abstract: Evaporative separation processes are widely used in various industries, including chemical manufacturing, petroleum refining, and food and beverage processing, to separate components based on their vapor pressures. These processes involve the use of equipment such as distillation columns, evaporators, and membrane-based systems, and are critical for ensuring product quality and process efficiency. However, the complexity of evaporative separation processes and the inherent variability in feedstock composition and quality make it …
Published in International Journal of Chemical Separation Technology · Vol. 8, Issue 2, 2022 · pp. 27–31 Read article
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A Review on the Multiscale Integrated Approach in Multiphase Reaction Engineering and Process Intensification: Sustainable Energy and Process Design
Abstract: Abstract: Multiphase reaction engineering and process is important path for conversion of natural resources into fuels and chemicals to reduce greenhouse gas emission and increasing energy supply to meet growing global demand. This requires multiphase reactor design and modeling development for methane conversion into chemical building blocks, upgrading heavy oil and carbon capture. This multiphase reactor modeling involves the multiscale approach, which requires the knowledge of how phenomena at a …
Published in International Journal of Chemical Engineering and Processing · Vol. 6, Issue 2, 2020 · pp. 18–26 Read article
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Investigation into the Kinetics of Biodegradation of Crude Oil Hydrocarbon in Different Soil Types Using Aloe Vera
Abstract: A pilot study was conducted on three different soil type contaminated with crude oil bio-simulated with Aloe vera juice to examine the effect of the stimulant on the rate of degradation of the crude oil by the indigenous microbes. Soil contaminated with crude is deficient of the essential nutrients which are needed to boast the activities of the microbes which feed on the crude. These nutrients are found in Aloe …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 4, Issue 2, 2018 · pp. 10–21 Read article
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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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Model for Prediction of Pneumatic Proportional Integral Controller Transfer Function for Step Input Process Response
Abstract: Mathematical model was developed to monitor, predict and simulate the pneumatic proportional integral controller transfer function for step input process response. The model developed was based on the geometric arrangement as well as the distance of the flapper from the nozzle was considered to be small, where the capacitance C is constant and R is the resistance of the integral restrictor. The characteristics of the process was monitored, predicted and …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 4, Issue 1, 2018 · pp. 28–37 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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AN OVERVIEW OF OPERATION SYSTEM ORDER FOR DC- DC CONVERTER USING PULSE- WIDTH MODULATION
Abstract: To achieve the continuous power transmission, the behavior of dc-dc converter using pulse width modulation technique need to be analyzed in different operation modes. In this paper, review of operation system order for dc-dc converter using PWM that controls the power flow path between the source, load and the battery was done. The generator voltage, input frequency and loads demand with several operating states and control strategies are reviewed. The …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 5, Issue 1, 2019 · pp. 38–44 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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A study on C, H and L type prismatic buildings for Synoptic wind flow.
Abstract: The atmospheric boundary layer can be defined as part of the troposphere at the lowest level which is influenced by the presence of the earth’s surface, and responds to surface forcing within a timescale of about an hour or less. The boundary layer depth might differ from hundreds of meters to a few kilometers. The wind that blows due to Atmospheric Boundary Layer is known as synoptic wind. Moreover, thunderstorms …
Published in International Journal of Construction Engineering and Planning · Vol. 6, Issue 1, 2020 · pp. 6–14 Read article
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Modeling Concrete Tensile Strength from Fly Ash and Alccofine as Partial Replacement for Cement
Abstract: Tensile strength development were carried applying derived modeling and simulation, this study is to monitor the behaviour of the material in tensile state, Several materials has been used as modifiers or partial replacement, but the application of alccofine as a micro-fine materials has not been thoroughly applied by experts, this product has fine particles that is more finer than cement including other materials, the tensile strength behaviour from the studies …
Published in International Journal of Concrete Technology · Vol. 6, Issue 2, 2020 · pp. 22–38 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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Hydrodynamic Modeling for contaminant spills Case study: Nile River - Upper Egypt
Abstract: Most watercourses are subjected to the threats of contaminant spills. The Nile River is the main drinking and irrigation water source for all Egyptian cities around its banks, especially in Upper Egypt. The southern reach receives considerable amounts of agricultural, industrial and municipal wastes at different sites along its mainstream. The goal of this research is to simulate contaminant spill in the studied part of the Nile River to determine …
Published in International Journal of Water Resources Engineering · Vol. 5, Issue 2, 2019 · pp. 1–16 Read article
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Flood Hazard Analysis on Dulecha Woreda Located in Middle Awash River Basin
Abstract: Flood is a natural disaster and causes loss of life and property damage. Awash River is causing damage of farm land and other properties at Dulecha Woreda as it is located at flood plain area. The objective of the study is to analyze flood hazard of Dulecha Woreda located in Middle Awash River Basin. The hydrological modeling in combination with hydraulic modeling is used for this study. The HEC-HMS model …
Published in International Journal of Water Resources Engineering · Vol. 6, Issue 1, 2020 · pp. 47–66 Read article
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Evaluation of Hydraulic Performance: A Case Study of Etana Small Scale Irrigation Scheme: Wolaita Zone, Ethiopia
Abstract: The conventional furrow irrigation system is inherently inefficient in wolaita zone, while the suboptimal management and operation (inflow discharge and cutoff time) are considered as one of the main reasons for satisfactory hydraulic performance. Addressing these issues, the furrow irrigation system which is only practiced in the study area was evaluated on three fields under routine farmer management in wolaita zone. The study consisted of field experiments and simulation modeling. …
Published in International Journal of Water Resources Engineering · Vol. 6, Issue 2, 2020 · pp. 1–10 Read article
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Hydrological Response of Land Use Land Cover Change on Stream Flow of Anger Watershed, Blue Nile Basin, Ethiopia
Abstract: ABSTRACT The soil and water assessment tool (SWAT) model was applied to simulate the streamflow from the Anger watershed (7,982 km2), located in Western Oromia Regional State, Ethiopia. ArcGIS was applied to layer staking, mosaicking, image classification, and accuracy assessment. The purpose of the study was to examine the applicability of the SWAT model and to detect the effect of past land-use land-cover change on streamflow of the watershed. The …
Published in International Journal of Water Resources Engineering · Vol. 6, Issue 2, 2020 · pp. 39–58 Read article