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Papers by Ibitoye Adelusi
Inventions, 2022
Tubular pipe structures have been used in various applications—domestic, aviation, marine, manufa... more Tubular pipe structures have been used in various applications—domestic, aviation, marine, manufacturing and material testing. The applications of tubular pipes have been considered greatly in the installation of tubular pipes, marine risers and pipe bending. For the investigation of plastic strains and the mechanical behaviour of a tube under bending, considerations were made utilising an exponent model with assumptions on the plane strain. The bending moment, wall thickness effect, cross-sectional distribution, stresses during bending and neutral layer boundaries were all presented as necessary theoretical formulations on the physics of tubular pipe bending. This model was based on the analytical and numerical investigation. In principle, the application can be observed as the spooling of pipes, bending of pipes and reeling. Comparisons were made on two models developed on the finite element analysis in Simscale OpenFEA, namely the linear-elastic and the elasto-plastic models. Thi...
Computational Water, Energy, and Environmental Engineering, 2022
This paper investigates the impact of biohazards and pandemics on construction workers' health an... more This paper investigates the impact of biohazards and pandemics on construction workers' health and well-being. A proper selection of control methods for biohazards and pandemics like COVID-19 pandemic will result in improved public health conditions. Occupational risks in the construction industry are also examined, with a focus on biohazards and pandemics, their containment, and the implications for health and safety. A safer work environment in the construction industry is encouraged. In this study, some statistical methods were used to analyse the data obtained from sampled questionnaire. According to the findings, fewer people in poor developing countries get routine checkups compared to developed countries. The construction industries studied have little or no insurance plans for staff. It also demonstrates that personal protective equipment (PPE) such as nasal masks, helmets, hand gloves, and work aprons can assist in the control of biohazards in the construction sector, such as asthma, cancer, and asbestosis. There should be safety awareness programmes, conferences, and seminars, as well as How to cite this paper: Amaechi, C.V.,
Numerical Study on Plastic Strain Distributions and Mechanical Behaviour of a Tube under Bending, 2022
Tubular pipe structures have been used in various applications-domestic, aviation, marine, manufa... more Tubular pipe structures have been used in various applications-domestic, aviation, marine, manufacturing and material testing. The applications of tubular pipes have been considered greatly in the installation of tubular pipes, marine risers and pipe bending. For the investigation of plastic strains and the mechanical behaviour of a tube under bending, considerations were made utilising an exponent model with assumptions on the plane strain. The bending moment, wall thickness effect, cross-sectional distribution, stresses during bending and neutral layer boundaries were all presented as necessary theoretical formulations on the physics of tubular pipe bending. This model was based on the analytical and numerical investigation. In principle, the application can be observed as the spooling of pipes, bending of pipes and reeling. Comparisons were made on two models developed on the finite element analysis in Simscale OpenFEA, namely the linear-elastic and the elasto-plastic models. This study presents visualization profiles using plastic strain to assess its effect on the tubular pipes. This can increase due to the limitation of plastic deformation on the composite materials selected.
This project focuses on the development of efficient energy storage systems by addressing problem... more This project focuses on the development of efficient energy storage systems by addressing problems commonly encountered in zinc bromide flow batteries. For example, the kinetics of charge, a discharge onto plane electrodes, can be slow, affecting the ability of such a cell to restitute energy quickly to an external load; zinc deposition is also prone to the formation of dendrites, which can become detached from the electrode substrate and reduce the storage capacity of the battery, while those dendrites can also be responsible for damage to the membrane, separating the anolyte and the catholyte. The project also incorporates both theoretical modelling and simulation two using different software packages (ANSYS and COMSOL). In this project, we design a novel fluidized bed electrode for the zinc-bromine (ZnBr2) flow battery, particularly concentrating on its anode. This is achieved by 1. Simulating electrolyte flow to identify reactor shapes and flow parameters that allow large electr...
Trends in Technical & Scientific Research, 2021
Batteries with different chemistries and designs encounter various (redox reactions) to store ene... more Batteries with different chemistries and designs encounter various (redox reactions) to store energy through applying charges and discharges rates. Redox flow batteries systems such as zinc bromine batteries cells systems (ZnBr2) can be enclosed with high surface area anode electrodes (reactors) and charged with some amount of added carbon particles for zinc deposition. The electrochemical reactions within a fabricated ZnBr2 battery cell system have been investigated with the coupled inlets and outlets brass fitting materials (15mm and 30mm) of different anode and cathode electrolyte compositions. SEM analysis was explored on some charged particles collected from the anode reactor to identify all the existing elements within the deposited charged zinc particles after several charges. The investigated zinc particles were between 254 microns to 354 microns. The electrolyte composition includes 3 moles of KBr (535.51 grams), 1 mole of KCl (111.89 grams) as the cathode side electrolyte ...
Engineering Research Express
Journal of The Electrochemical Society
Journal of The Electrochemical Society
Trends in Technical and Scientific Research, 2021
Batteries with different chemistries and designs encounter various (redox reactions) to store ene... more Batteries with different chemistries and designs encounter various (redox reactions) to store energy through applying charges and discharges rates. Redox flow batteries systems such as zinc bromine batteries cells systems (ZnBr 2) can be enclosed with high surface area anode electrodes (reactors) and charged with some amount of added carbon particles for zinc deposition. The electrochemical reactions within a fabricated ZnBr 2 battery cell system have been investigated with the coupled inlets and outlets brass fitting materials (15mm and 30mm) of different anode and cathode electrolyte compositions. SEM analysis was explored on some charged particles collected from the anode reactor to identify all the existing elements within the deposited charged zinc particles after several charges. The investigated zinc particles were between 254 microns to 354 microns. The electrolyte composition includes 3 moles of KBr (535.51 grams), 1 mole of KCl (111.89 grams) as the cathode side electrolyte and 3 moles of ZnBr 2 (675 grams), 1 mole of ZnCl 2 (205 grams), and 1M of KCl (111.826 grams) as the anode electrolyte solution. Originally, this journal paper has discovered the importance of coupling chemically resistance materials to ZnBr 2 cells as investigated on the fabricated ZnBr 2 cell that was initially converted to a CuZn 2 battery cell system and reverted to the ideal ZnBr 2 cell system before using an SEM technique to identify separately the present elements.
Batteries will continue to encounter the problem of dendrite formation until a suitable solution ... more Batteries will continue to encounter the problem of dendrite formation until a suitable solution is identified to address the problem. Dendrite formation can short circuit batteries cells, reduce their life span, voltages and cause mechanical abrasion to the cells. Batteries electrodes are part of the approaches that can be used to address these problems but depending on the fabrication of these electrodes and dimensions. Before fabricating and incorporating a real anode reactor to a fabricated ZnBr 2 cell system, it was necessary to model the behaviour with injected carbon particles in between 254 microns to 354 microns and simulate the geometry in COMSOL to observe their interaction with the electrolyte. This study investigates the performances of a designed anode reactor and to observe within the reactor the effect of having a uniform and non-uniform current density distribution before the fabrication, physically charge and incorporating it to the anode-side of ZnBr 2 cell system.
The penetration of renewable sources (solar and wind power) into the power system network has bee... more The penetration of renewable sources (solar and wind power) into the power system network has been increasing in the recent years. As a result of this, there have been serious concerns over reliable and satisfactory operation of the power systems. One of the solutions being proposed to improve the reliability and performance of these systems is to integrate energy storage devices into the power system network. Zinc-bromine batteries systems among other energy storage technologies has appeared as one of the best options. This paper presents the performance of three different electrodes feeder materials (carbon, nickel and a titanium) coupled and investigated within a fabricated ZnBr2 cell system via numerical modelling, DDPM+DEM model in ANSYS Fluent to simulate an incorporated anode zinc-electrode and COMSOL Multiphysics for the electrochemical behavior of the cell. After introducing briefly other alternatives to store energy, ZnBr2 cell systems, and its mode of operation were then discussed, before focusing on the numerical modelling and simulation and the laboratory experiments. Several extensive electrochemical experiments were implemented on the cell to achieve fast deposition of zinc onto the electrode surface during charge and fast dissolution during discharge for high performance. The mechanical action of the fluidised design of electrode is intended to improve deposit morphology, obviate the risk of dendrite growth and provide high transport rates of reactant to and from the active electrode surface. In conclusion, this paper has analyzed electrochemical techniques like chronopotentiometry, cyclic voltammetry (CV), and electrochemical impedance spectroscopy that were used to understand the behavior of the zinc bromide cells at a particular flow rate of 166.7cm3 min−1 required to give good fluidization of the anode.
Inventions, 2022
Tubular pipe structures have been used in various applications—domestic, aviation, marine, manufa... more Tubular pipe structures have been used in various applications—domestic, aviation, marine, manufacturing and material testing. The applications of tubular pipes have been considered greatly in the installation of tubular pipes, marine risers and pipe bending. For the investigation of plastic strains and the mechanical behaviour of a tube under bending, considerations were made utilising an exponent model with assumptions on the plane strain. The bending moment, wall thickness effect, cross-sectional distribution, stresses during bending and neutral layer boundaries were all presented as necessary theoretical formulations on the physics of tubular pipe bending. This model was based on the analytical and numerical investigation. In principle, the application can be observed as the spooling of pipes, bending of pipes and reeling. Comparisons were made on two models developed on the finite element analysis in Simscale OpenFEA, namely the linear-elastic and the elasto-plastic models. Thi...
Computational Water, Energy, and Environmental Engineering, 2022
This paper investigates the impact of biohazards and pandemics on construction workers' health an... more This paper investigates the impact of biohazards and pandemics on construction workers' health and well-being. A proper selection of control methods for biohazards and pandemics like COVID-19 pandemic will result in improved public health conditions. Occupational risks in the construction industry are also examined, with a focus on biohazards and pandemics, their containment, and the implications for health and safety. A safer work environment in the construction industry is encouraged. In this study, some statistical methods were used to analyse the data obtained from sampled questionnaire. According to the findings, fewer people in poor developing countries get routine checkups compared to developed countries. The construction industries studied have little or no insurance plans for staff. It also demonstrates that personal protective equipment (PPE) such as nasal masks, helmets, hand gloves, and work aprons can assist in the control of biohazards in the construction sector, such as asthma, cancer, and asbestosis. There should be safety awareness programmes, conferences, and seminars, as well as How to cite this paper: Amaechi, C.V.,
Numerical Study on Plastic Strain Distributions and Mechanical Behaviour of a Tube under Bending, 2022
Tubular pipe structures have been used in various applications-domestic, aviation, marine, manufa... more Tubular pipe structures have been used in various applications-domestic, aviation, marine, manufacturing and material testing. The applications of tubular pipes have been considered greatly in the installation of tubular pipes, marine risers and pipe bending. For the investigation of plastic strains and the mechanical behaviour of a tube under bending, considerations were made utilising an exponent model with assumptions on the plane strain. The bending moment, wall thickness effect, cross-sectional distribution, stresses during bending and neutral layer boundaries were all presented as necessary theoretical formulations on the physics of tubular pipe bending. This model was based on the analytical and numerical investigation. In principle, the application can be observed as the spooling of pipes, bending of pipes and reeling. Comparisons were made on two models developed on the finite element analysis in Simscale OpenFEA, namely the linear-elastic and the elasto-plastic models. This study presents visualization profiles using plastic strain to assess its effect on the tubular pipes. This can increase due to the limitation of plastic deformation on the composite materials selected.
This project focuses on the development of efficient energy storage systems by addressing problem... more This project focuses on the development of efficient energy storage systems by addressing problems commonly encountered in zinc bromide flow batteries. For example, the kinetics of charge, a discharge onto plane electrodes, can be slow, affecting the ability of such a cell to restitute energy quickly to an external load; zinc deposition is also prone to the formation of dendrites, which can become detached from the electrode substrate and reduce the storage capacity of the battery, while those dendrites can also be responsible for damage to the membrane, separating the anolyte and the catholyte. The project also incorporates both theoretical modelling and simulation two using different software packages (ANSYS and COMSOL). In this project, we design a novel fluidized bed electrode for the zinc-bromine (ZnBr2) flow battery, particularly concentrating on its anode. This is achieved by 1. Simulating electrolyte flow to identify reactor shapes and flow parameters that allow large electr...
Trends in Technical & Scientific Research, 2021
Batteries with different chemistries and designs encounter various (redox reactions) to store ene... more Batteries with different chemistries and designs encounter various (redox reactions) to store energy through applying charges and discharges rates. Redox flow batteries systems such as zinc bromine batteries cells systems (ZnBr2) can be enclosed with high surface area anode electrodes (reactors) and charged with some amount of added carbon particles for zinc deposition. The electrochemical reactions within a fabricated ZnBr2 battery cell system have been investigated with the coupled inlets and outlets brass fitting materials (15mm and 30mm) of different anode and cathode electrolyte compositions. SEM analysis was explored on some charged particles collected from the anode reactor to identify all the existing elements within the deposited charged zinc particles after several charges. The investigated zinc particles were between 254 microns to 354 microns. The electrolyte composition includes 3 moles of KBr (535.51 grams), 1 mole of KCl (111.89 grams) as the cathode side electrolyte ...
Engineering Research Express
Journal of The Electrochemical Society
Journal of The Electrochemical Society
Trends in Technical and Scientific Research, 2021
Batteries with different chemistries and designs encounter various (redox reactions) to store ene... more Batteries with different chemistries and designs encounter various (redox reactions) to store energy through applying charges and discharges rates. Redox flow batteries systems such as zinc bromine batteries cells systems (ZnBr 2) can be enclosed with high surface area anode electrodes (reactors) and charged with some amount of added carbon particles for zinc deposition. The electrochemical reactions within a fabricated ZnBr 2 battery cell system have been investigated with the coupled inlets and outlets brass fitting materials (15mm and 30mm) of different anode and cathode electrolyte compositions. SEM analysis was explored on some charged particles collected from the anode reactor to identify all the existing elements within the deposited charged zinc particles after several charges. The investigated zinc particles were between 254 microns to 354 microns. The electrolyte composition includes 3 moles of KBr (535.51 grams), 1 mole of KCl (111.89 grams) as the cathode side electrolyte and 3 moles of ZnBr 2 (675 grams), 1 mole of ZnCl 2 (205 grams), and 1M of KCl (111.826 grams) as the anode electrolyte solution. Originally, this journal paper has discovered the importance of coupling chemically resistance materials to ZnBr 2 cells as investigated on the fabricated ZnBr 2 cell that was initially converted to a CuZn 2 battery cell system and reverted to the ideal ZnBr 2 cell system before using an SEM technique to identify separately the present elements.
Batteries will continue to encounter the problem of dendrite formation until a suitable solution ... more Batteries will continue to encounter the problem of dendrite formation until a suitable solution is identified to address the problem. Dendrite formation can short circuit batteries cells, reduce their life span, voltages and cause mechanical abrasion to the cells. Batteries electrodes are part of the approaches that can be used to address these problems but depending on the fabrication of these electrodes and dimensions. Before fabricating and incorporating a real anode reactor to a fabricated ZnBr 2 cell system, it was necessary to model the behaviour with injected carbon particles in between 254 microns to 354 microns and simulate the geometry in COMSOL to observe their interaction with the electrolyte. This study investigates the performances of a designed anode reactor and to observe within the reactor the effect of having a uniform and non-uniform current density distribution before the fabrication, physically charge and incorporating it to the anode-side of ZnBr 2 cell system.
The penetration of renewable sources (solar and wind power) into the power system network has bee... more The penetration of renewable sources (solar and wind power) into the power system network has been increasing in the recent years. As a result of this, there have been serious concerns over reliable and satisfactory operation of the power systems. One of the solutions being proposed to improve the reliability and performance of these systems is to integrate energy storage devices into the power system network. Zinc-bromine batteries systems among other energy storage technologies has appeared as one of the best options. This paper presents the performance of three different electrodes feeder materials (carbon, nickel and a titanium) coupled and investigated within a fabricated ZnBr2 cell system via numerical modelling, DDPM+DEM model in ANSYS Fluent to simulate an incorporated anode zinc-electrode and COMSOL Multiphysics for the electrochemical behavior of the cell. After introducing briefly other alternatives to store energy, ZnBr2 cell systems, and its mode of operation were then discussed, before focusing on the numerical modelling and simulation and the laboratory experiments. Several extensive electrochemical experiments were implemented on the cell to achieve fast deposition of zinc onto the electrode surface during charge and fast dissolution during discharge for high performance. The mechanical action of the fluidised design of electrode is intended to improve deposit morphology, obviate the risk of dendrite growth and provide high transport rates of reactant to and from the active electrode surface. In conclusion, this paper has analyzed electrochemical techniques like chronopotentiometry, cyclic voltammetry (CV), and electrochemical impedance spectroscopy that were used to understand the behavior of the zinc bromide cells at a particular flow rate of 166.7cm3 min−1 required to give good fluidization of the anode.