The performance of a pump used as a turbine (PAT) in a simplified Pico hydropower system with the provision for recycling water to an overhead reservoir (OHR) 7.2 m high was investigated. A vertical PVC pipe of diameter 0.0762 m reduced into four replaceable nozzles of diameters...
Open access
Research Article10.9734/ijecc/2023/v13i102617
Five locally fabricated turbines with 3, 5, 7, 9 and 11 flat blades were locally fabricated and tested in conjunction with a vertical penstock of diameter 0.0762 m and nozzles of diameters 0.0158, 0.0212, 0.0266, 0.0343 and 0.042 m in a simplified Pico hydropower system. This stu...
Open access
Research Article10.9734/jenrr/2022/v12i230297
The basic operational parameters of a simplified Pico hydropower system were investigated using five locally fabricated turbines with 3, 5, 7, 9 and 11 splined blades in conjunction with a vertical penstock of diameter 0.0762 m and nozzle of diameters 0.0158, 0.0212, 0.0266, 0.03...
Open access
Research Article10.9734/jerr/2022/v23i417607
Based on the results of no-load tests carried out on a simplified Pico hydropower system currently undergoing development, on-load tests were carried out. A turbine of runner diameter 0.40 m, penstock diameters in the range and nozzle area ratios in the range were used for the...
Open access
Research Article10.9734/jenrr/2018/v1i19775
The basic operational parameters of a simplified pico-hydropower system with provision for water recycling were investigated. Five simplified turbine of runner diameters 0.45, 0.40, 0.35, 0.30 and 0.25 m were designed, locally fabricated, and tested in conjunction with five PVC p...
Open access
Research Article10.9734/jerr/2018/v1i19787
Activated carbon was produced from powdered Raphia palm nut endocarp (REAC) using H3PO4 and CaCl2 as activators before carbonization, and the responses studied to investigate its suitability for solid adsorption refrigeration applications. Temperature, resident time, concentratio...
Open access
Research Article10.9734/jerr/2022/v23i10750
Design, sizing and optimization of a solar-wind hybrid power system was carried out to determine its economic feasibility using Hybrid optimized model for electric renewable (HOMER) software aimed at selecting the most feasible configuration based on the net present cost to meet...
Open access
Research Article10.9734/jenrr/2022/v11i330282
The evaluation of the potentials of Raphia palm seeds briquettes as fuel source was carried out to obtain optimum particle size, binder ratio and compaction pressure with cassava starch as binder for domestic heating applications. The seeds were collected, dried, hammer-milled an...
Open access
Research Article10.9734/jenrr/2022/v11i230275
This study evaluated the properties of bio-coal briquettes made by blending coal with beniseed (sesame seed) stalks in order to determine the optimum composition. The briquettes were produced using a hydraulic compression machine at 5, 10 and 15 bar applied to coal:biomass compos...
Open access
Research Article10.9734/cjast/2021/v40i231261