Coolants are vital in any automotive since they manage the heat in the internal combustion of the engines by preventing corrosion in the cooling system as well as assist in eradicating the engine’s waste heat. This paper examines three different types of ethylene glycol-based hyb...
Open access
Research Article10.9734/jerr/2020/v17i217186
This paper presents a modified substrate design that would enable a bottom electromagnetic interference (EMI) shielding protection for EMI sensitive integrated unit (IC). The modified substrate design is applied and incorporated to the existing and known shielding technique to fu...
Open access
Research Article10.9734/jerr/2020/v17i217184
The present study highlights the effect of soil poissons ratio on the response of buildings with sufficient embedment depth. The interaction effect between the structure and its foundation control the dynamic behavior of the structure during seismic analysis. Not only the foundat...
Open access
Research Article10.9734/jerr/2020/v17i217185
Process improvement through modification in the design of indirect material is one potential direction to improve the productivity during assembly manufacturing. In this paper, an augmented design of anvil block is presented to reduce the crumpled strips, leadframe bending and de...
Open access
Research Article10.9734/jerr/2020/v17i217182
This study was carried out to investigate the biogas production obtained from anaerobic digestion of unripe plantain peels (PP) and the kinetics of the digestion process. 400 g of dried and shredded unripe plantain peels were mixed with 200 ml of water and put into 1 L digester a...
Open access
Research Article10.9734/jerr/2020/v17i217183
The instability of crude oil prices at the international market which results in revenue drop to oil and gas operators, the high cost of drilling multiple injection wells and installing gas reinjection systems in a bid to improve recovery of crude oil, have been of great concern...
Open access
Research Article10.9734/jerr/2020/v17i117181
Maximum Power Point Tracking (MPPT) charge controller is designed for using an easy and effective way to charge a 12v battery and a laptop charger of 19v simultaneously through the principle of the bulk-boost converter. This research work is suitable for 150W solar panels, as the...
Open access
Research Article10.9734/jerr/2020/v17i117180
This study was carried out to estimate evapotranspiration over the South-Western region of Nigeria, Artificial Neural Network was used for the estimation of Evapotranspiration over South-Western Nigeria. Using a 36 years meteorological data of South-Western Nigeria obtained from...
Open access
Research Article10.9734/jerr/2020/v17i117179
The paper discussed the study and challenges of the Die Attach process, the critical characteristics of the product structure and the demand for the MEMS product. Upgrading the current machine mechanical and software to improve the machine's capabilities and overcome the critical...
Open access
Research Article10.9734/jerr/2020/v17i117178
One of the challenging assembly processes in semiconductor manufacturing industry is stencil printing using solder paste as direct material. With this technology, some issues were encountered during the development phase of an advanced leadframe device and one of which is the sol...
Open access
Research Article10.9734/jerr/2020/v16i417176