Mathematical models have been very useful in reducing challenges encountered by researchers due to the inability of having solar radiation data or lack of instrumental sites at every point on the Earth. This work aimed at investigating the prediction performance of Hargreaves-Sa...
Open access
Research Article10.9734/jerr/2018/v1i29801
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
The scour downstream spillways can endanger the stability of the dams. Hence, determining the scour depth downstream of spillways was vital importance which scours holes formed around and near the foundations of spillways can endanger the stability of dams and may lead to their f...
Open access
Research Article10.9734/jerr/2018/v1i19779
This research work shows the variability of solar parameters. The parameters that are solar radiation, sun intensity and temperature were optimized and predicted in other to investigate its influence in Permanent site of Federal Polytechnic, Oko, Anambra State, South Eastern part...
Open access
Research Article10.9734/jerr/2018/v1i19783
This paper presents an approach for improving productivity in breweries. A case study of AB brewery was adopted. Traditionally, packaging line improve performance and productivity based on extrapolation of past experience, but in recent times, the traditional method could not me...
Open access
Research Article10.9734/jerr/2018/v1i19764
In order to provide a sustainable energy system, especially in rural areas where grid electricity is not economically or geographically feasible, renewable energy sources appear to be one of the most effective solutions. However, the fluctuating nature and the high cost of kWhr u...
Open access
Research Article10.9734/jerr/2018/v1i19760