This work focused on reduction of harmonics in Power lines using finite impulse response filter. Since the rising usage of power electronic devices sensitive to harmonics, which has resulted in a growth in the number of adverse harmonic-related occurrences, network harmonic inves...
Open access
Research Article10.9734/jerr/2021/v21i1217508
With the growing population of Ezenei 11KV feeder radiating from the Asaba mains Injection Substation and overstretched distribution network, monitoring and evaluation of the reliability and improvement of distribution network feeder is essential. Failure of some of the equipment...
Open access
Research Article10.9734/jerr/2021/v21i1217510
This work investigates the behavior of concrete deep beams reinforced with GFRP bars by conducting an experimental test on a half-scale GFRP deep beam and evaluating the findings by ANSYS software. Also, ANSYS was used to perform nonlinear finite element analysis NLFEA on five sp...
Open access
Research Article10.9734/jerr/2021/v21i1217517
Since the invention of the paper by in 105 CE to Chai Lun many improvements have been made to the paper product we know today. Today a paper machines can be over 600 m long and 11.5 m wide, running at speeds of over 2000 m/min, and producing up to 4,500 metric tons per hour. Pape...
Open access
Research Article10.9734/jerr/2021/v21i1117502
Paper manufacturing originated in China in 105 BC and has come a long way. Countless different paper grades have been developed and are being used all over the world today. One of these paper grades is blotting paper, first recognized in 1465 and machine manufactured in the 1800’...
Open access
Research Article10.9734/jerr/2021/v21i1117507
Extracting asphalt binders (ABs) from mixes including recycled asphalt shingles and/or reclaimed asphalt pavement (RAP) needs more investigation. The most popular way for extracting ABs from mixes is centrifuge extraction. The fine materials (dust) extracted with the effluent wer...
Open access
Research Article10.9734/jerr/2021/v21i1117500
The electrical conductivity of a semiconductor material is between that of a conductor, such as metallic copper, and that of an insulator, such as glass. Its resistivity decreases as the temperature rises, whereas metals have the reverse effect. By adding impurities ("doping") in...
Open access
Research Article10.9734/jerr/2021/v21i1117501
One of the most important weld quality characteristics related to the strength of the weld is the hardness of melted zone (HMZ) that is affected by different input parameters in the submerged arc welding process. In recent years, expensive nanomaterials have been effectively used...
Open access
Research Article10.9734/jerr/2021/v21i1117504
Inclined multi-layered barriers can be used to protect underlying waste storage facilities. The intended barriers can be used to confine the infiltration through implementation of the capillary barrier effect. In this study, the effect of rainfall, evaporation, and transpiration...
Open access
Research Article10.9734/jerr/2021/v21i1017498
Aim: Polymer flooding is a promising chemical enhanced oil recovery. Originally it was thought that polymer flooding was not economical. The polymer flooding in Daqing field China has proved otherwise. After that, it was thought that polymer flooding could only be successful in l...
Open access
Research Article10.9734/jerr/2021/v21i1017497
This research work involved performance evaluation of back pack weeder in four representative cassava planted farms in Busia County. The main objective of the research study was to test the performance of the mechanical back pack weeder in cassava crop and comparing it with manua...
Open access
Research Article10.9734/jerr/2021/v21i1017496
The flexible joint robot is gaining more popularity in research and development because of its light weight and numerous applications. The major problems of the flexible joint robotic manipulator are poor tracking performance and instability. This work aims at improving the track...
Open access
Research Article10.9734/jerr/2021/v21i1017494
An oven is a heated enclosure for heating, baking or drying. An electric oven is a heating device used to heat materials to high temperature when electric current is passed through a high resistance heating element (coil or plate), while the gas ovens uses gas through the cast ir...
Open access
Research Article10.9734/jerr/2021/v21i1017495
An optical waveguide is a structure guiding the wave of light, limiting it to travel through the given and specific path. If the size of transverse dimensions is bigger than the guided light wavelength, then total internal reflection (TIR) and geometrical optics can be used to ex...
Open access
Research Article10.9734/jerr/2021/v21i917493
Evaporative coolers are technologies highly used as a source of thermal comfort in terms of fresh air provider in areas where weather conditions are harsh and people living standard goes from medium to low earnings. This technology being environmentally friendly still requires a...
Open access
Research Article10.9734/jerr/2021/v21i917491