Olusegun A. Olaiju

Fast and Physically Constrained Modelling of Solar PV Power Output Using an Optimized Ordinary Differential Equation (ODE) Framework

Olusegun A. Olaiju, Olumuyiwa A. Agbolade & Ephesus O. Fatunmbi · Journal of Energy Research and Reviews · 2026

This study develops and validates a physically informed ordinary differential equation (ODE) model for predicting photovoltaic (PV) power output under varying environmental conditions. The proposed framework couples panel thermal dynamics with temperature-dependent electrical eff...

Open access Research Article 10.9734/jenrr/2026/v18i5509

Performance Evaluation of Solar-Based Hybrid Energy Systems Integrating Renewable and Conventional Sources in Nigeria

Opeyemi A. Olusola, Olusegun A. Olaiju & Ephesus O. Fatunmbi · Journal of Engineering Research and Reports · 2025

Hybrid energy systems that integrate solar power with other renewable or conventional sources provide a robust solution to intermittency and reliability challenges in Nigeria. This study evaluates the performance of such systems using 1,000 hours of operational data and key perfo...

Open access Research Article 10.9734/jerr/2025/v27i121746

Thermofluid-inspired Nonlinear Entropy Model of Financial Markets with Time-varying External Shocks

Ephesus O. Fatunmbi, Akinde, Mukail Aremu, Olubisi L. Aako & Olusegun A. Olaiju · Current Journal of Applied Science and Technology · 2026

This study develops a thermofluid-inspired nonlinear entropy model to investigate uncertainty, instability, and risk propagation in financial markets under time-varying external shocks. The model is formulated as a nonlinear reaction–diffusion equation incorporating logistic-type...

Open access Research Article 10.9734/cjast/2026/v45i44688