Department of Electrical / Electronic Engineering: Recent submissions

Now showing items 21-40 of 61

Harmonics of CF and LED lamps-maximum penetration perspective on power quality in distribution systems.

Effah, F. B.; Gasu, P.; Okyere, P.; Acakpovi, A. (Jurnal Nasional Teknik Elektro, 2020)

Global energy saving efforts have led to replacement of incandescent lamps with energy-efficient ones like light-emitting diode (LED) and compact fluorescent lamps (CFLs). These lamps, being non-linear loads, have the ...
Entrepreneurship and the Need for Sustainable new technologies in power generation

Bani, S.; Abbey, S.; Quaynor, N.; Essel, E. A. (Energy and Power Engineering, 2020)

The increase of micro and nano devices has led to the miniaturization and multi-functionalization of micro-mechanical, communication, imaging, sensing, chemical analytical and biomedical devices. The devices so mentioned ...
Original framework for optimizing hybrid energy supply.

Acakpovi, A. (Journal of Energy, 2016)

This paper proposes an original framework for optimizing hybrid energy systems. The recent growth of hybrid energy systems in remote areas across the world added to the increasing cost of renewable energy has triggered the ...
An investigation of health and safety measures in a hydroelectric power plant.

Acakpovi, A.; Dzamikumah, L (Safety and Health at Work, 2016)

Background: Occupational risk management is known as a catalyst in generating superior returns for all stakeholders on a sustainable basis. A number of companies in Ghana implemented health and safety measures adopted from ...
Performance analysis of particle swarm optimization approach for optimizing electricity cost from a hybrid solar, wind and hydropower plant

Acakpovi, A. (International Journal of Renewable Energy Research (IJRER), 2016)

This paper deals with the cost optimization of a hybrid solar, wind and hydropower plant using a Particle Swarm Optimization (PSO) approach. PSO is a technique that belongs to Swarm intelligence, an artificial intelligence ...
Experimental investigation on the combustion characteristics of premixed CH4/O2 flame in a micro plate channel.

Zha, Z.; Pan, J.; Yang, W.; Lu, Q.; Bani, S.; Shao, X. (Energy Procedia, 2017)

The combustion characteristics of premixed rich CH4/O2 in micro channel was investigated experimentally via the visual micro-scale combustion test bench. The flammability limits, flame behaviors, stability limits and flame ...
Interaction between heterogeneous and homogeneous reaction of premixed hydrogen–air mixture in a planar catalytic micro-combustor.

Unknown author (International Journal of Hydrogen Energy, 2017)

Hetero-/homogeneous combustion of hydrogen–air mixture in a platinum-coated micro channel was studied by means of three-dimensional (3D) Computational Fluid Dynamics (CFD) model using detailed reaction mechanisms for ...
Hetero-/homogeneous combustion characteristics of premixed hydrogen-air mixture in a planar micro-reactor with catalyst segmentation

Pan, J.; Lu, Q.; Bani, S.; Tang, A.; Yang, W.; Shao, X. (Chemical Engineering Science, 2017)

Numerical simulation of stoichiometric hydrogen-air premixed flame in a platinum-coated micro channel was performed to investigate hetero-/homogeneous combustion characteristics. An elliptical two-dimensional (2D) Computational ...
Experimental study on premixed methane-air catalytic combustion in rectangular micro channel

Unknown author (Applied Thermal Engineering,, 2017)

The catalytic combustion process of pre-mixed methane-air in a rectangular micro channel was studied experimentally. Infrared thermal imager and flue gas analyzer were used to measure the temperature distribution of the ...
The influence of injection strategy on mixture formation and combustion process in a direct injection natural gas rotary engine.

Fan, B.; Pan, J.; Yang, W.; Chen, W.; Bani, S. (Applied Energy, 2017)

The application of direct injection (DI) technology is considered as an effective way to improve the performance of the rotary engine. This work seeks to numerically dissect the influence of injection strategy on mixture ...
Optimum design of a stand-alone hybrid power system with demand-side management.

Michael, M. B.; Acakpovi, A. (Procedia Manufacturing, 2017)

Hybridising renewable energy sources improves the reliability of renewable energy systems for stand-alone applications. However, the high system cost is one of the setbacks that contribute to the slow growth of renewable ...
Combined effect of injection timing and injection angle on mixture formation and combustion process in a direct injection (DI) natural gas rotary engine

Fan, B.; Pan, J.; Yang, W.; Pan, Z.; Bani, S.; Chen, W.; He, R. (Energy, 2017)

The application of direct injection (DI) technology is considered as a key solution to the problems of combustion efficiency and emissions on the rotary engine. This work aimed to numerically study the combined effect of ...
Industrial applications of clay materials from Ghana-A review.

Asamoah, R. B.; Nyankson, E.; Annan, E.; Agyei-Tuffour, B.; Efavi, J. K.; Kan-Dapaah, K.; Yaya, A. (Oriental Journal of Chemistry, 2018)

Clay minerals are phyllosilicate groups naturally found in soils in all parts of the world. They have proven to be among the most essential industrial minerals because of their unique physicochemical properties and versatile ...
The characteristics of pure heterogeneous reaction for H2/Air mixture in the micro-combustors with different thermophysical properties.

Zhang, Y.; Pan, J.; Lu, Z.; Tang, A.; Zhu, Y.; Bani, S. (Applied Thermal Engineering, 2018)

This paper investigated the characteristics of pure heterogeneous reaction for H2/Air mixture under different wall thermophysical conditions namely; thermal conductivity, convective heat transfer and thermal capacity. The ...
The effect of embedded high thermal conductivity material on combustion performance of catalytic micro combustor.

Zhang, Y.; Pan, J.; Zhu, Y.; Bani, S.; Lu, Q.; Zhu, J.; Ren, H. (Energy Conversion and Management, 2018)

A novel micro combustor embedded with high thermal conductivity material has been proposed for micro-thermophotovoltaic system application. The effect of the materials, which is graphite and nickel with widths 1 mm and ...
Micro combustion in a porous Media for thermophotovoltaic power generation.

Bani, S.; Pan, J.; Tang, A.; Lu, Q.; Zhang, Y. (Applied Thermal Engineering, 2018)

This work delved into porous media combustion (PMC) TPV with H2/O2 as fuel with much focus on experiment and numerical assessment of the TPV generator. The effects of some major parameters on PMC namely flow velocity, ...
Numerical investigation of key parameters of the porous Media combustion based micro-thermophotovoltaic system.

Bani, S.; Pan, J.; Tang, A.; Lu, Q.; Zhang, Y. (Energy, 2018)

Power generation with porous media driven Micro-Thermophotovoltaic (MTPV) was investigated and effects of changes to key parameters of the system investigated. The micro combustor had the dimensions of length–15 mm, ...
Effects of inlet parameters on combustion characteristics of premixed CH4/Air in micro channels.

Zhang, Y.; Pan, J.; Tang, A.; Lu, Q.; Zha, Z.; & Bani, S. (Journal of the Energy Institute, 2019)

In order to improve the stability of combustion and the working performance of the micro-combustor, this paper focuses on the effects of inlet parameters such as inlet temperature, mass flow rate and equivalence ratio. ...
Synthesis and characterization of zinc and copper oxide nanoparticles and their antibacteria activity.

Asamoah, R. B.; Yaya, A.; Mensah, B.; Nbalayim, P.; Apalangya, V.; Bensah, Y. D.; Annan, E. (Results in Materials, 2020)

Inorganic nano-metal oxides can be effective alternatives to drug resistant organic antibiotics due to their broad spectrum antimicrobial activity against pathogenic and mutagenic gram-negative and positive bacteria. In ...
A comparative study of antibacterial activity of CuO/Ag and ZnO/Ag nanocomposites.

Asamoah, R. B.; Annan, E.; Mensah, B.; Nbelayim, P.; Apalangya, V.; Onwona-Agyeman, B.; Yaya, A. (Advances in Materials Science and Engineering, 2020)

The synergistic effects of transition metal based nanocomposites are known to possess enhanced antibacterial activities. However, in-depth analysis of the relative antibacterial performance of some of the prominent ...

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