FUPRESpace
Welcome to FUPRESpace, The Institutional Repository of Federal University of Petroleum Resources. A collection of theses, articles, books, videos, images, lectures, papers, data sets, and all types of digital content originating from the Federal University of Petroleum Resources, Nigeria. This repository is managed by the University Library
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- This contains the intellectual works of the faculty members in the College of Computing
- This contains the intellectual works of the faculty members in the College of Engineering and Technology
- This contains the intellectual works of the faculty member in the College of Maritime and Offshore Studies.
- This contains the intellectual works of the faculty members in the College of Science
- This contains the intellectual works of the staff of the University Library
Recent Submissions
Application of the Taylor Series Technique to the Solution of Bratu Problems
(FNAS Journal of Mathematical Modeling and Numerical Simulation, 2025) Otaide, I.J; Ugbene I.J.
This study presents a numerical solution of the Bratu differential equations (BDE) using Taylor’s series technique. The effectiveness and reliability of the proposed method were further demonstrated by two numerical examples. The outcomes were also compared to other previously published research. Our suggested approach outperforms the Salem and Thanoon (2022) method in terms of approximating the exact solution. The Maple 18 software was used to perform the computations
Second kind Chebyshev collocation technique for Volterra-Fredholm fractional order integro-differential equations
(J. Nat. Scien. & Math. Res., 2022) Otaide, I.K; Oyedepo, T; Ayoade, A. A; Ayinde, A. M.
In this work, we present the numerical solution of fractional order Volterra– Fredholm integro-differential equations using the second kind of Chebyshev collocation technique. First, we transformed the problem into a system of linear algebraic equations, which are then solved using matrix inversion to obtain the unknown constants. Furthermore, numerical examples are used to outline the method’s accur
Generalized Hyers-Ulam Stability of Second Order Linear Ordinary Differential Equation with Initial Condition
(Adv. Inequal, 2014) OTAIDE, I.; MODEBEI, M. I.; OLAIYA, O.O.
The stability of ordinary differential equation has been investigated and this investigation is ongoing. In this work, we investigate the stability of second-order linear ordinary differential nonhomogeneous equation with initial condition in the Hyers-Ulam sense.
BMFA: A Blockchain Framework for Secure and Scalable Multifactor Authentication
(Scientific Journal of Engineering, and Technology (SJET), 2025) Asheshemi, Nelson Oghenekevwe; Okoro Akpohrobaro Daniel; Elohor, Ayeh Blessing; Ifioko, Ayo Michael; Atuduhor oghenerukevwe Regha
This paper introduces a Blockchain-based Multifactor Authentication (BMFA) layering which would enrich data privacy, confidentiality and security of digital systems. The presented framework merges blockchain, its decentralised and immutable ledger and multifactor authentication, which embraces the combination of possession, knowledge, inherence, and behavioural factors. With asymmetric cryptography and smart contracts, the framework provides tamper-resistant, scalable, and auditable processes of authentication. Through computational simulations in this paper, it is revealed that the BMFA framework is much more efficient than the traditional multifactor authentication (TMFA) systems. The most significant results are that the authentication token entropy increased by 45 per cent, tolerance probability against the adversary went down by 60 per cent, and the mean authentication latency is 30 milliseconds, which is still within the bounds of practical use. Moreover, statistical analysis also indicates that the BMFA framework enhances authentication token randomness and reduces the
dependencies between two authentication events, thus helping alleviate token prediction and replay attacks. The scalability evaluation reveals that
optimised blockchain designs enable the BMFA system to handle growing levels of users without affecting the performance. Altogether, this study
confirms the practicality of using a combination of blockchain technology and multifactor authentication to establish an efficient, secure, and reliable
structure that can help to overcome modern complexity in a digital context in regard to cybersecurity.
Evaluation and Adsorption Modeling of Continuous Adsorption of Malachite Green Pigments onto Sawdustderived Activated Carbon in a Fixed Bed Column
(International Journal of Engineering Research and Technology, 2025) AKAKABOTA, A. O; OHIMOR, E. O; ISIAKPERE, PRECIOUS
The study was conducted to investigate the adsorption of malachite green dye onto activated carbon prepared from sawdust in a fixed-bed column, with the aim of understanding the process dynamics and improving pollutant removal efficiency. The prepared activated carbon was characterized by Scanning Electron Microscopy with Energy Dispersive X-ray Spectroscopy (SEM-EDS), Fourier Transform Infrared Spectroscopy (FTIR), and Brunauer-Emmett-Teller (BET) surface area analysis. The column performances were evaluated by varying bed heights (1.25, 2.5, and 5.0 cm) while keeping other factors such as influent flow rate (5 ml/min) and concentration (500 mg/L) constant to obtain experimental breakthrough curves. From the breakthrough curves, it was observed that the breakthrough time, tb, increased from 180 mins to 270 and 330 mins for bed heights of 1.25, 2.5, and 5 cm, respectively. The exhaustion time (td) for the adsorbent bed was found to increase from 390 mins to 420 mins and 510 mins as bed height increased from 1.25 to 2.5 and 5 cm, respectively. The adsorption capacity, qo, was found to be 221.54, 148.34, and 91.22 mg/g for bed heights of 1.25, 2.5, and 5 cm, respectively. The removal efficiency of malachite green was found to be 54.53%, 67%, and 68.82% for bed heights of 1.25, 2.5, and 5 cm, respectively. The performance of the column was analyzed using the Thomas, Adams-Bohart, and Yoon-Nelson models. The rate constant for all three models decreased with increasing bed heights, while the time required for 50% adsorbate breakthrough increased with increasing bed height. The Adams-Bohart model, which presented consistently high R² values within the range of 0.8344 to 0.9229, is the most suitable model for describing the experimental data.