The Engineering data of tiger nut cultivated in Africa is of high importance in facilitating the design of machineries for its effective and efficient cultivation, processing, handling, storage, and postharvest activities in general. This study is aimed at determining and modelin...
Open access
Research Article10.9734/jerr/2023/v24i2798
Aims: The high demand for palm oil as food and industrial raw material is on the increase and the traditional method cannot sustain the demand for the crop. Therefore, there is need for design and fabrication of a locally and affordable palm oil processing machine, hence, this pr...
Open access
Research Article10.9734/jerr/2023/v24i1797
Chicken bone coagulant (CBC) containing high grade hydroxyapatite (HPA) has been applied in the coag-flocculation of abattoir effluent. The influence of process variables (pH, initial concentration, dosage, Temperature, and settling time) on the effluent final turbidity was inves...
Open access
Research Article10.9734/jerr/2023/v24i1795
This research paper introduces a hybrid energy storage system using both wind energy and solar energy so that it can remarkably increase the energy storage capacity and the output power of the system. The proposed system is mainly used for storage purposes and the renewable energ...
Open access
Research Article10.9734/jerr/2023/v24i1796
Portland cement remains the major binder used in the construction of concrete pavements, interlocking stones, and many other aspects of construction, and this implies a high dependence on the commodity thus making it scares and expensive and hence the need to explore other altern...
Open access
Research Article10.9734/jerr/2023/v24i1794
The objective of this paper is to present a review on hybrid solar dryer and its modification for further research. Energy is not evenly distributed in the world, developed countries have more than enough while developing countries are facing it inadequacy. Rural areas where agr...
Open access
Research Article10.9734/jerr/2023/v24i1793
This study determines the employees’ motivational factors and their influence on Total Quality Management (TQM) implementation in the construction industry. The instrument used in the study was a survey questionnaire with a sample size of 536 out of the 641 questionnaires which w...
Open access
Research Article10.9734/jerr/2022/v23i12792
Aims: The objective of this paper is to re-evaluate the wind speed threshold at which the 100 mm polyvinyl chloride (PVC) vent pipe may be used without compromising the ventilation rate required for effective odor control in a ventilated improved pit (VIP) latrine. The paper also...
Open access
Research Article10.9734/jerr/2022/v23i12790
Many characteristics exhibited by artificial neural networks, such as nonlinearity, large scale, strong parallel processing ability, as well as robustness, fault tolerance, and strong self-learning ability, make it attractive for fault detection and diagnosis in complex systems....
Open access
Research Article10.9734/jerr/2022/v23i12791
The business has a unique function in sustainable economic growth since it not only helps realize creative potential but also generates dispersed employment opportunities and additional funding for budgets at various levels. The use of various digital technologies within a busine...
Open access
Research Article10.9734/jerr/2022/v23i12788
A number of research seeking alternative materials to augment normal coarse aggregate to reduce overreliance on granite while saving the environment is on the rise. This study assessed the workability, water absorption and density of concrete with waste ceramic tiles as partial...
Open access
Research Article10.9734/jerr/2022/v23i12789
This paper presents a digital electrical energy meter based on an Anisotropic Magneto-Resistive (AMR) current sensor and an Arduino micro microcontroller. This study aimed at designing and fabricating a digital electrical energy meter using the AMR sensor which overcomes some of...
Open access
Research Article10.9734/jerr/2022/v23i12786
Efficient wastewater treatment technologies are needed to curb water scarcities and prevent the spread of diseases and contamination of water sheds. Decentralized wastewater treatment systems or respectively septic systems are easy to afford and handle – especially in rural areas...
Open access
Research Article10.9734/jerr/2022/v23i12787
Accurate control of engine speed can effectively improve fuel economy and comfort. Currently, the commonly used PID parameter setting methods for engine speed control include Ziegler-Nichols method and gradient method, etc. Although they have good performance in parameter setting...
Open access
Research Article10.9734/jerr/2022/v23i12783
This paper presents the unique and outstanding properties of hybrid polymer composite (HPC). The various classification of HPC based on the combination of matrices, fibres and fillers in use are brought to bear. The different techniques/methods employed in the production of hybr...
Open access
Research Article10.9734/jerr/2022/v23i12784