The interest for improving the quality of coffee production has led to the increased use of wet processing so as to highlight the quality and aroma of the beverage. The coffee pulping process has been causing environmental problems at the local level not only due to the consumpti...
Open access
Research Article10.9734/jerr/2021/v20i1117404
In this paper, a comparison study has been presented to see the difference between the theoretical and finite element analysis for ball bearing. Throughout that study, a finite element analysis is performed to determine the maximum contact pressure and maximum stresses induced in...
Open access
Research Article10.9734/jerr/2021/v20i1117402
Stir casting is an economical process for the production of aluminum matrix composites. There are many parameters in this process, which affect the final microstructure and mechanical properties of the composites. In this study, micron-sized SiC and Gr particles were used as rein...
Open access
Research Article10.9734/jerr/2021/v20i1117401
In this digital world, Video analysis is the most important and useful task. Currently, tremendous tasks have been done in video analysis like compressing the videos, video retrieval process and video database indexing, etc. For all these tasks, one common step is segmenting the...
Open access
Research Article10.9734/jerr/2021/v20i1117399
The effect of calcined egg shell particles on the mechanical properties of epoxy resin had been studied. The egg shell was sun dried for 3 days and calcined at 800oC in an electrically fired furnace model KGVB. The calcined egg shell was ground in a locally fabricated pulverized...
Open access
Research Article10.9734/jerr/2021/v20i1117398
Fading in a wireless channel has negative effects on the performance of communication systems. Bell Laboratories layered space-time (BLAST) has been used to get a high data rate while space-time block codes (STBC) have been used to get a low bit error rate (BER) performance. Unde...
Open access
Research Article10.9734/jerr/2021/v20i1017396
Repair and maintenance cost is considered as one of important items for machinery management and selection especially agricultural tractors. The present study was carried out in Dongola area for tractor repair and maintenance costs estimation. The data was collected from records...
Open access
Research Article10.9734/jerr/2021/v20i1017395
The problem of laminar boundary layer flow of power-law fluid over a continuous moving surface in the presence of a transverse magnetic field with velocity slip was investigated. The governing partial differential equations for the flow and heat transfer were transformed into non...
Open access
Research Article10.9734/jerr/2021/v20i1017394
The Travelling Salesman Problem (TSP) is one of the main routing problems in the Logistics and Supply Chain Management fields. Given its computational complexity, metaheuristics are frequently needed to solve it to near-optimality. In this aspect, Genetic Algorithms (GA) are prom...
Open access
Research Article10.9734/jerr/2021/v20i1017393
Possible ways of solving the main problems arising in development, manufacture and calibration of high-sensitivity Illuminance meters are considered. Methods of reducing the lower limit of measurement of Illuminance to 10-5 lux are proposed. Errors of correcting light filters of...
Open access
Research Article10.9734/jerr/2021/v20i1017390
Emergency Vehicles (EV) such as ambulances, fire fighting vehicles, Road safety vehicles and other emergency vehicles encounter delays on their missions at traffic light control points due to traffic jams. The direct consequence of these delays results in unwarranted loss of live...
Open access
Research Article10.9734/jerr/2021/v20i1017391
Currently, epoxy paint is being widely used in the industry. Nanotechnology can create many small nanometer-sized materials with many applications, it has brought many outstanding properties to epoxy paints. The aim of this study is to investigate the effect of TiO2 nanoparticles...
Open access
Research Article10.9734/jerr/2021/v20i1017392
Remote sensing technologies have a direct impact on gaining structural damage information due to their powerful flexibilities, such as wide field of view, non-contact, low cost, and fast response capacities. It is because remote sensing is often applied to monitor near-real-time...
Open access
Research Article10.9734/jerr/2021/v20i1017388
Mechanical modeling of integrated circuit (IC) dies is commonly performed using the mechanical properties of the bulk silicon material. However, modeling results such as die deflection and the actual results were observed to have significant difference. This paper discusses the i...
Open access
Research Article10.9734/jerr/2021/v20i1017389
Wirebonding process is one of the most challenging assembly manufacturing process in semiconductor packaging industry. This paper discussed the wirebonding challenge and the solution to resolve the wire to die shorting on reverse stitch on ball (RSOB) and prevent irregular loopin...
Open access
Research Article10.9734/jerr/2021/v20i1017387