Due to growing proliferation of non-linear loads driven by energy-saving measures, there is a significant daily increase in the power quality disturbance caused by power electronics equipment and devices, which are the primary sources of voltage and current harmonics in distribut...
Open access
Research Article10.9734/jerr/2025/v27i121750
This study aims at solving industrial turbine issues by relocating the blower system to a cooler area and validate its performance using computational fluid dynamics simulations to model the airflow, pressure distribution and thermal management capabilities under simulated Warri...
Open access
Research Article10.9734/jerr/2025/v27i121748
Chitosan, a naturally derived polysaccharide obtained through the deacetylation of chitin, has emerged as a versatile biomaterial for regenerative medicine due to its biocompatibility, biodegradability, and intrinsic bioactivity. Its structural resemblance to glycosaminoglycans s...
Open access
Research Article10.9734/jerr/2025/v27i121749
With the advent of African Swine Fever, biosecurity requirements during transportation have become increasingly stringent. Vehicles transporting pigs between large-scale farms are increasingly adopting fully enclosed air-filtered trailers, significantly reducing the risk of viral...
Open access
Research Article10.9734/jerr/2025/v27i121747
The systems of critical infrastructure, such as energy, water, and healthcare networks, are becoming targets of advanced cyber threats, which can disrupt the provision of critical services and undermine the safety of the population. Conventional cybersecurity measures are usually...
Open access
Research Article10.9734/jerr/2025/v27i121745
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 Article10.9734/jerr/2025/v27i121746
The synergy of Artificial Intelligence (AI) technology and Tissue Engineering (TE) is creating a new frontier in regenerative medicine. Conventional design of scaffolds for enhancing cell attachment, growth and differentiation is well reported to be achieved through experimental...
Open access
Research Article10.9734/jerr/2025/v27i121744
As one of the core components of electric hoists, the wheels of the traveling mechanism directly affect the working efficiency and operational safety of the equipment through their wear degree. To address the need for accurate service life assessment of the wheels in the electric...
Open access
Research Article10.9734/jerr/2025/v27i121743
Background: Noise is one of the externalities of transportation systems in cities. To help understand which neighborhoods have noise levels exceeding the World Health Organization’s (WHO) thresholds, scholars have proposed the use of spatial noise maps. Most cities in developed n...
Open access
Research Article10.9734/jerr/2025/v27i121742
The increasing complexity of criminal activities and the demand for rapid, reliable identification mechanisms have strengthened the relevance of biometric-based crime-control systems. This study presents an optimized facial biometric recognition framework utilizing an Aquila-enha...
Open access
Research Article10.9734/jerr/2025/v27i121741
This paper presents the design and implementation of an intelligent temperature-regulating fan system based on the STC89C52 single-chip microcomputer. While high-performance solutions exist, they often incur substantial costs, making them unsuitable for simple applications. To ad...
Open access
Research Article10.9734/jerr/2025/v27i121740
Induction motors (IMs) are widely used in industrial and domestic applications due to their robustness, reliability, and cost-effectiveness; however, achieving accurate and stable speed control under varying load conditions and parameter uncertainties remains a persistent challen...
Open access
Research Article10.9734/jerr/2025/v27i121738
Precise temperature control in cashew kernel drying is critical for achieving the required 5% final moisture content while preventing roasting, discoloration, and overall quality degradation; however, conventional PID controllers often struggle to maintain this precision due to t...
Open access
Research Article10.9734/jerr/2025/v27i121739
Aim: This research aims to develop an improved groundnut roasting and peeling machine that reduces human effort and increases productivity. Study Design: Redesign the existing groundnut roasting machine by incorporating a peeling chamber, fabricate an improved groundnut roasting...
Open access
Research Article10.9734/jerr/2025/v27i121736
This study investigates the perspectives of built environment students at a technical university in Ghana regarding the impact of modular construction (MC) on facilities management (FM) practices. Modular construction offers efficiency, sustainability, and cost-effectiveness, inc...
Open access
Research Article10.9734/jerr/2025/v27i121737