Natural fermentation is time- and water-consuming, laborious, and causes weight loss in the coffee beans. It is the conventional method to remove coffee mucilage in the Philippines that can take up to 48 hours. This study aimed to develop a small-scale demucilager machine and eva...
Open access
Research Article10.9734/jerr/2022/v22i617544
This study which is an investigative survey carried out in an Engineering department in South East Nigeria was aimed at evaluating the performances of students and teachers in order to ensure quality and review of the intrinsic variables within an educational system. The unique c...
Open access
Research Article10.9734/jerr/2022/v22i617541
Ramón Antonio Figueroa-Carranza, Jesús Manuel Núñez-López, Elia Mercedes Alonso-Guzmán, Wilfrido Martínez-Molina & José María Ponce-Ortega·Journal of Engineering Research and Reports·2022
This work presents a new approach for resilience assessment in road transport routes interrupted by natural causes (rain, earthquakes) as well as by human influence (accidents). In this way, by knowing the state of preservation of the elements located within a road, particularly...
Open access
Research Article10.9734/jerr/2022/v22i617540
Klaus Dölle, Serena L. Brandt, Rodrigo Medina Castillo, William S. Contento, Jacob A. Darius, Jonathan M. Day, Sean M. Jr. Ferry, Owen S. Henkler, Emily E. Hicks, Kevin D. Holmes, Kelly J. O’Keefe, Joseph P. Payette & Edith L. Taylor·Journal of Engineering Research and Reports·2022
Plastics are one of the most widely and abundant substances in today's society. Worldwide the usage of low-density polyethylene bags create pollution on land and in the oceans, especially when they break down in macro and micro plastics. On all continents, governments try to esta...
Open access
Research Article10.9734/jerr/2022/v22i517539
Aims: Gas diffusion layer (GDL), catalytic layer (CL) and proton exchange membrane (PEM) are important components of hydrogen fuel cell (HFC). In this paper, the thickness of the diffusion layer, the catalytic layer and the proton exchange membrane of the hydrogen fuel cell are m...
Open access
Research Article10.9734/jerr/2022/v22i517538
Flying wing aircraft has many encouraging advantages, but there still were many unsteady aerodynamic uncertainty of the structures. Dynamic stability is a most significant analysis object. This paper wants to propose the flutter characteristic of a real flying wing aircraft. Firs...
Open access
Research Article10.9734/jerr/2022/v22i517537
Artificial neural network (ANN) has been widely researched and applied in chemical process, because of its parallel processing and excellent nonlinear mapping ability, with strong robustness and fault tolerance. By using artificial neural network to establish the model between th...
Open access
Research Article10.9734/jerr/2022/v22i517536
Flat Rigid–ring Baffle [1] (FRB) is a common slosh suppression device in Long Moving Vessel (LMV) to mitigate against oscillation-induced instability due to sloshing of its content but, its relative low performance is unacceptable for desirable safety standard thus, necessitatin...
Open access
Research Article10.9734/jerr/2022/v22i517535
An assessment of the quality of groundwater in Ikorodu Local Government Area (LGA) was carried out in September 2020 (Late wet season). A total number of 29 samples were collected from different selected locations of the study area. The samples were collected from private and gov...
Open access
Research Article10.9734/jerr/2022/v22i417534
Beverage coaster paper represents a specialty paper grade, which has its origin in the late 1880s. Its primary function is to serve as a barrier between the beverage and the table surface by soaking up the condensing water of the cold beverage and protect the wooden table surface...
Open access
Research Article10.9734/jerr/2022/v22i417533
Inductions motors are the most commonly used electric motors because of their robustness, durability, reliability and low cost, and essentially lack the ability to run at variable speed operation. However, the first DC motors were applied to most of electric drives. The advent of...
Open access
Research Article10.9734/jerr/2022/v22i417532
Olivine and dolomite addition with some formulations clearly retarded the water absorption change in both bark (Type 1 boards) and cone (Type 2 boards) based experimental panels. However, the lowest water absorption value of 15.20% was found in dolomite contain (40:60, dolomite-b...
Open access
Research Article10.9734/jerr/2022/v22i417531
Technology is generally improving the advertisement sector and the use of electronic medium in communication system is on geometric rise due to its flexibility, attractiveness, speed and efficiency. Various methods of information dissemination have been adopted from the use of po...
Open access
Research Article10.9734/jerr/2022/v22i417530
This paper express model application that monitors and evaluates the economic viability and cost effectiveness of modular gas processing plant for the utilization of gas in Field-x. Critical evaluation has shown that these oil companies waste (flare) this precious resource primar...
Open access
Research Article10.9734/jerr/2022/v22i317529
Aims and Study Design: Lifts are presently inevitable requirements in modern day building complexes especially multiple floor buildings to keep up with human transportation. Due to this fact, efficient, cost-effective and reliable lift systems are required in these buildings. In...
Open access
Research Article10.9734/jerr/2022/v22i317528