A.A. Olanipekun, O.S. Oladejo, D.U. Idusuyi, A.M. Raji, P.A. Yinusa |
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| Morphological and Micro-Grain Structural Analyses of Pretreated Substrates (Sawdust and Poultry Dung) for Potential Use in Enhanced Biogas Production | ||||||||
This study analyzed the morphological and micro-grain structures of pretreated substrates (sawdust and poultry dung) for potential use inenhanced biogas production using Fourier Transform Infrared Spectroscopy (FTIR) and Scanning Electron Microscopy Analysis (SEM). This was done to identify internal microscopic changes that happened because of delignification/pretreatments carried out on the substrates.FTIR and SEM deviceswere used to analyze raw sawdust, chemically (alkaline) pretreated and biologicallypretreated substrates to measure delignification levels. Absorbed radiation was converted into vibrational and rotational energy by molecules and resultant signal was observed at detector end..........
Substrates, Pretreatment, Fourier Transform Infrared Analysis, Scanning Electron Microscopy Analysis, Biogas
[1]. Ajayeoba, A.O., Olanipekun, A.A., Ojo, O.O., Oyetunji, R.O., and Raheem, W.A., "Vibration exposure assessment of sawmilling operations using hand-arm-vibration exposure analysis. International Journal of Mechanical Engineering and Technology, 11, (12), (2021), 33 – 44.
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IBHAWAEGBELE, P.A. |
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| Determinants of Internal Control Effectiveness in Public Organisations In Nigeria | ||||||||
Auditing as a concept is fundamental to the accounting profession. The establishing of internal audit function is important as an essential internal assurance mechanism in public financial controls and as a tool for monitoring and evaluating financial management activities in government agencies. Besides, it will assist government organisations to achieve accountability and integrity, improve the implementation of government programs and develop confidence among citizens and stakeholders as well as to lead to use public fund efficiently and cater any risk of mismanagement of public fund. Audit services also can help organization for the success of better financial management in public service by playing the effective and efficient roles to promote better governance in managing public money.......
Management Support, Internal Auditor Independence and Internal Control Effectiveness
[1]. Adetayo, A. R., & Oluwakemi, O.C.A (2019). Appraisal of determinants of effectiveness of internal audit of the public tertiary institutions in Nigeria respondent perspectives. Global Scientific Journals, 7(2), 248-263.
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Hachimenum Nyebuchi Amadi, Kingsley Okpara Uwho, Ebitari Amaitari Tebepah |
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| Improvement of Power Quality : A Case Study of Eneka Town Hall, Eliozu and Akani Distribution Substations | ||||||||
The study looked at the improvement of Power quality of Eneka Town Hall, Eliozu and Akani injection
substations, Port-Harcourt, Nigeria. The network was modelled in Electrical Transient Simulation software
(ETAP19.1) and load flow conducted using Newton-Raphson technique to know the operating condition of the
network. The result of the already network from the simulation shows that the following buses violated the
statutory limit condition of 0.95-1.05p.u:Elimgbo (88.98%), Igwuruta (88.98%), Old Aba Rd (85.90%),
Rumuogba (85.90%) and Rumuorolu (85.90%). Similarly, over loaded transformers are T11 (98.10%) and T14
(143.90%) while the total real and reactive power losses are 667.50kW and 761kVAr. However.........
Improvement of power quality, Eneka Town Hall, Eliozu, Akani, Injection Substations, Reactive power.
[1]. Abu-Mouti, F. S. & El-Hawary, M. E. (2018). 'Heuristic Curve-Fitted Technique for Distributed Generation Optimization in Radial Distribution Feeder Systems', IET Generation, Transmission & Distribution, 5(2), 172-180 [2]. Devaraj, D. & Roselyn, J. P. (2019). "Genetic algorithm based reactive power dispatch for Voltage stability improvement," International journal of Electrical Power and Energy Systems, 32(10), 1151-1156.
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Ossai, E.N, Oliha A. O |
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| Geospatial Data Privacy and Security: Navigating Ethical Frontiers in Nigeria | ||||||||
The paper explores the ethical implications and privacy concerns associated with the collection, storage, and dissemination of geospatial data. In an era where location-based information is omnipresent, the paper delves into the challenges posed by the ubiquity of geospatial data, emphasizing the delicate balance required between innovation and individual rights. Ethical considerations surrounding responsible data handling, potential misuse, and unauthorized access are examined, while privacy concerns related to data breaches and the ownership of location-based information are scrutinized.........
Data Privacy; Data Security; Digital Growth; Ethical Solutions; Geospatial Data
[1]. Abedin, M., Nessa, S., Khan, L., & Thuraisingham, B. M. (2006). Detection and resolution of anomalies in firewall policy rules. In 20th Annual IFIP WG 11.3 Working Conference on Data and Applications Security (DBSec).
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Ganiyu Adedayo Ajenikoko, Bolarinwa Adeleke Samson, Olakunle David Olaleye, Abdulbasit Oladayo Ajenikoko, Jibola Mukaila Oseni, Adebayo Wasiu Eboda |
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| Investigation of Power Loss Reduction In Electrical Distribution Network With Incorporation Of Distributed Generators | ||||||||
Distributed Generators (DG) are electrical sources connected to the power network located to consumer's side but very small when compared with the centralized power plant. However, due to the unbalance operation of distribution system, installing these generators to reduce the power losses in the system requires an optimization approach so as to bring such losses to the barest minimum. This study investigated power loss reduction in electrical distribution network with the incorporation of DG using Genetic Algorithm (GA) as optimization method. In this study, DG was incorporated into existing Ladder Load Flow Algorithm for power flow analysis and optimization was performed using GA...........
Distributed Generators, Electrical Sources, Distribution Network, Ladder Load Flow, Genetic Algorithm, Graphic User Interface.
[1] Ajenikoko G.A and Eboda A.W (2015a): "Impact of dispersed generation on optimization of power exports" International Journal of Engineering Research and Applications, Vol. 5, No. 5, Pp. 61 – 67.
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Mandaloju Venkateshwarlu |
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| Production of plantlets from axillary explants of Pitaya roja fruit crop plant | ||||||||
The production of plants from axillary bud explants has proved to be the most generally applicable and reliable method of true to type in vitro propagation. In Vitro multiple shoots were obtained on MS Medium within BAP, NAA, L-Glumatic acid and Kinetin. High frequency plant regeneration from shoottip explants.Ugander et al (2010). Callus induction and base explants of Aloe vera R. Prasad, Venkateshwarlu M et al (2018). MS basal medium supplemented with various Auxons/Cytokinins BAP and NAA.Coconut water also had a rolein triggering the formation of mult1ple shoots. Addition of BAP at 3.0 mg/l and NAA at 2.0 mg/l to the MS basal medium, induced regeneration from the leaf segments............
Shoottip explants, NAA, L-Glutamic acid, BAP, IAA.
[1]. Kanna T.M.S., SM Nagarajan and S. Kulothungan (2005). Micropropagation od Solanum nigrum L a medicinal herb plant Archies: 609-305.
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Amadi, H. N., Ekeng, L. |
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| A Critical Analysis of Voltage Collapse in a Fragile Grid: The Nigeria Experience | ||||||||
Nigeria's power grid is a key area that requires urgent attention to revive the nation's economy which has continued to dwindle over the years. This paper seeks to analyze the grid's performance and proposes various ways to mitigate the fragile situation of the grid.This paper makes use of the historical data of the national grid operations under review, from 2015 to 2023. The data was analyzed using descriptive statistics (tables, frequency counts, charts, and graphical depictions) to extract the prominent elements required for the study's conclusion. In the period under study (2015-2023), the grid experienced a total number of 101 voltage collapses which is an average of about 11 times collapses in each year. Nigeria's grid installed capacity stands at about 14,000MW and has a generating peak value of about 5,200MW and an off-peak value of about 4,400MW...........
Causes of grid collapses, Grid capacity and generation, Grid performance analysis, Nigeria's power grid, Voltage collapses, Solutions for grid improvement.
[1]. Akintayo, O. (2023). Frustration as power grid collapse persists amid huge investment. Punch Newspaper, 11(7) [4]. Alike, E. (2017). Despite the completion of 10 power plants by NDPHC gas supply is still a challenge. This Day the Sunday Newspaper,9 (22).
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Ni Luh Yulianti, Bambang Admadi Harsojuwono, I Wayan Widia |
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| Optimization of Temperature and Slices Thickness In Drying Turmeric Using Response Surface Methodology (RSM) | ||||||||
Dried turmeric flour quality is influenced by several factors such as drying temperature and turmeric slice thickness. Optimal conditions for temperature and slice thickness can be achieved by optimizing the process through simulation and mathematical modelling. The method that can be used for these needs is Response Surface Methodology (RSM), which is able to provide an overview of the relationship between independent variables and the observed response in order to obtain optimal information from each independent variable that affects the response. In this study, the objective responses include moisture content, curcumin content, ash content and water activity............
Design expert ®12, drying characteristics, turmeric, optimization, temperature and slices thickness, response surface methodology.
[1]. Arini, L.D.D., 2017. Factors causing and characteristics of expired food which have a negative impact on public health. JITIPARI
(UNISRI Scientific Journal of Food Technology and Industry), 2 (1): 15 – 24, https://doi.org/10.33061/jitipari.v2i1.1531
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Atul Kumar, Dr. Gaurav Kumar |
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| Lie Symmetry Solution of Third Order Linear Ordinary Differential Equations | ||||||||
This research paper consists solution of third order linear ordinary differential equations with Lie symmetry
theory. There are various methods for solving differential equation, Lie symmetry is one of them. Lie symmetry is powerful method for finding the solution of differential equations. It gives exact solution of given differential equation. This method reduces the higher order ODE into linear or quadratic which is shown in this paper. Lie symmetry Method, Third order ODE, Infinitesimal Generators etc.
[1]. Bluman G. (1990): 'Invariant solutions for ordinary differential equations', SIAM J. Appl. Math., Vol. 50, No. 6, 1706-1715.
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IFEAGWU EMMANUEL .N., ADEBAYO ADENIYI .D. |
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| Analysis And Implementation Of An Iot Base Home Automation System | ||||||||
Home automation is a technological system that is designed to automate and control various circuits and electrical devices within residential, commercial, and other types of buildings. Home automation refers to a type of technological advancement known as Internet of Things (IoT) development, which facilitates communication and control between various devices by means of internet connectivity. The objective of this project is to develop a prototype for Home Automation specifically focusing on lighting equipment, including lamps, light sensors for light activation, and the integration of multiple lights controlled by mobile devices. The research methodology employed in this study utilises the prototype approach, wherein the emphasis is placed on the outcomes derived from customer feedback, which then informs the process of software development evaluation........
Internet of Things, Devices, Control Equipment, Light Sensors, Design Testing
[1]. Suraj, I.K., Dharmendra K., Shovan B. (2003). "Visual Machine Intelligence for Home Automation",Vijendra Publishers, pp. 32-43.
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Ganiyu Adedayo Ajenikoko, Bolarinwa Adeleke Samson, Adebayo Wasiu Eboda, Abdulbasit Oladayo Ajenikoko, Olakunle David Olaleye |
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| Energy Loss Pridiction Model Based On Artificial Neural Network Time-Series On Ayede 33 Kv Sub-Station | ||||||||
Electrical power transmission system is the bulk movement of electrical energy from a generating site to an electrical substation. However, due to increasing economical pressures on network operators, the energy loss in the sub-transmission systems is becoming more and more important. The need to minimize these energy losses had been a major concern of utilities and many researchers. Therefore, forecast and estimation on sub-transmission energy losses is a vital task in the daily operation and planning of the power system operators. In this study an energy loss forecasting method based on Artificial Neural Network Time Series (ANN-TS) model was developed and implemented on Ayede 132/33kV sub-transmission station in Ibadan..........
Electrical Power, Transmission System, Sub-transmission System, Energy Loss Forecasting, Artificial Neural Network Time Series, Resilient Back-Propagation, Mean Absolute Percentage Error.
[1] Adegboyega, G. A. and Onime, F. (2013): "Determination of Electric Power Losses in Distribution Systems: Ekpoma, Edo State, Nigeria as a Case Study", The International Journal of Engineering and Science, 3(1), 2319-1805.
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