Singulation machine frequently encounters Z-Picker errors and occasionally, worst case of unit scattering which leads on the gross unit rejection and scrappage. As analyzed, shifted units found on the chuck table module upon singulation of strip. Shifted units were induced on the...
Open access
Research Article10.9734/jerr/2022/v23i217591
3D printing is an innovative construction technology that has a significant positive impact on the environment. It addresses issues on speed, labor costs, accuracy, and efficiency. This study aimed to know the trend of construction technology in onsite construction. Specifically,...
Open access
Research Article10.9734/jerr/2022/v23i117590
Planetary gear transmission is widely used in roadhead, crane and other transmission equipment, its reliability and stability are related to the service life and work efficiency of equipment, but the current research on planetary gear transmission device is not comprehensive, lac...
Open access
Research Article10.9734/jerr/2022/v23i117588
Aiming at the stability of storage facilities built in soft soil areas, this paper analyzes the influence of cyclic loading on consolidation during used stage. Firstly, the nonlinear compressibility and permeability of soil are introduced, the well resistance and three kinds of r...
Open access
Research Article10.9734/jerr/2022/v23i117589
Conventional concrete mixes produced from naturally occurring aggregates offer benefits in strength, workability, volume stability and permeability, as well as a wide range of properties. However, with increasing availability of construction waste materials, such as demolished co...
Open access
Research Article10.9734/jerr/2022/v23i117586
The effluent quality of the wastewater treatment is significantly influenced by the amount of dissolved oxygen in the wastewater aeration tank. In this paper, we design a fuzzy control system to regulate the concentration of dissolved oxygen in the aeration tank based on the fact...
Open access
Research Article10.9734/jerr/2022/v23i117585
In this paper, rigorous Mode-Matching Technique (MMT) with Generalized Scattering Matrix Method (GSMM) is used to analyze novel hybrid SIW coupler operating at 26 GHz for 5G applications. The introduced coupler has an equal-amplitude of about -3 dB besides 90-degree at its forwar...
Open access
Research Article10.9734/jerr/2022/v22i1217584
Recently, surface water pollution has generated grave concerns because of anthropogenic activities including inadequate management of waste. Therefore, this study is concerned with the evaluation of surface water contamination by leachate from uncontrolled landfill in Yenagoa Bay...
Open access
Research Article10.9734/jerr/2022/v22i1217583
Sixtus A. Okafor, Felicity M. Arukalam, Innocent C. Ekuma, Ebere O. Eziefuna, Chimdinma A. Ihetu, Chioma C. Okey-Mbata, Uchenna L. Ezeamaku, Nnamdi C. Iheaturu & Aforma L. Okafor·Journal of Engineering Research and Reports·2022
Diabetes is one of the top non-communicable illnesses of public health importance. 6.4% of world population is reported to have diabetes mellitus with the figure, feared to double by 2040. Nigeria has estimated 1.6 million cases in 2015, which ranked her the third diabetes endem...
Open access
Research Article10.9734/jerr/2022/v22i1217582
Stepped spillways are current method of choice for safe discharge of flood water due to their inherent ability to employ their stepping nature to safely dissipate substantial energy. Hence, the authors in this study aim to provide to design engineers new models for estimating ene...
Open access
Research Article10.9734/jerr/2022/v22i1217580