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All published articles 500

A Computerized Boundary Element Algorithm for Modeling and Optimization of Complex Magneto-Thermoelastic Problems in MFGA Structures

Mohamed Abdelsabour Fahmy, Saleh M. Al-Harbi, Badr Hamedy Al-Harbi & Alanod M. Sibih · Journal of Engineering Research and Reports · 2019

Aims: The aim of this article is to propose a boundary integral equation algorithm for modeling and optimization of magneto-thermoelastic problems in multilayered functionally graded anisotropic (MFGA) structures. Study Design:  Original research paper. Place and Duration of Stud...

Open access Research Article 10.9734/jerr/2018/v3i216872

Development of a Preconditioning System for FUTA Floating Fish Feed Extruder

A. P. Olalusi, C. F. Nwaeche & A. Adesina · Journal of Engineering Research and Reports · 2019

The need to enhance the quality of fish feed produced in Nigeria was the major consideration in the design and development of a preconditioning system. The machine consists of two insulated cylindrical barrels, set of arranged paddles on a shaft, frame, hot water and feed mash in...

Open access Research Article 10.9734/jerr/2018/v3i216873

Effect of Tillage Speed, Depth, Ballast Weight and Tire Inflation Pressure on the Fuel Consumption of the Agricultural Tractor: A Review

Amer M. Mamkagh · Journal of Engineering Research and Reports · 2018

Tillage is a very important practice in agriculture in many countries and accounts for more traction energy than any other field operation. Tillage operation consumes up to 59% of all diesel fuel required for the complete technology so reduced tractor fuel consumption during till...

Open access Research Article 10.9734/jerr/2018/v3i216871

A Fundamental Evaluation of the Municipal Solid Waste Management in Ado Ekiti, Nigeria, Using the Rating Index of the Users and Operatives

O. A. Oni, T. Omotoso & M. S. Awopetu · Journal of Engineering Research and Reports · 2018

The assessment of the management of the municipal solid waste (MSW) in Ado Ekiti being undertaken by Ekiti State Waste Management Board (ESWMB) was done using questionnaires distributed randomly to the users and government operatives of the service. The questionnaire responses we...

Open access Research Article 10.9734/jerr/2018/v3i216870

Challenges and Resolution for Copper Wirebonding on Tapeless Leadframe Chip-on-Lead Technology

Antonio R. Sumagpang Jr & Frederick Ray I. Gomez · Journal of Engineering Research and Reports · 2018

This technical paper discusses a methodological and systematic way of resolving key challenges during introduction of Chip-On-Lead package specifically wirebonding issues that leads to production dilemma during production ramp-up of products using copper wire in tapeless leadfram...

Open access Research Article 10.9734/jerr/2018/v3i216869

Analysis of the Synthetic Gas Production from Saw Dust Gasification

Akinyemi Oluwaseyi Raphael & Olaiya Niyi Gideon · Journal of Engineering Research and Reports · 2018

Aims: Produce combustible gas from sawdust for domestic house use. Study Design: A fluidized bed gasifier suitable for sawdust gasification was used. Place and Duration of Study: The study was done at the federal university of technology akure, Ondo state Nigeria Methodology: Saw...

Open access Research Article 10.9734/jerr/2018/v3i116868

Line Stressing Critical Processes Optimization of Scalable Package Passive Device for Successful Production Ramp-up

Antonio R. Sumagpang Jr & Frederick Ray I. Gomez · Journal of Engineering Research and Reports · 2018

The technical paper presents a systematic and methodological approach to deal with a new product trend that will be successfully manufactured during assembly production ramp-up.  The project is intended to determine the required process flow and machine platforms for high-density...

Open access Research Article 10.9734/jerr/2018/v3i116867

Formulation of Lubricant from Calabash Seed Oil

F. J. Owuna, M. U. Dabai, M. A. Sokoto, U. Z. Faruq & A. L. Abubakar · Journal of Engineering Research and Reports · 2018

The engine oil market is faced with complex chemical reactions and difficult chemical engineering involved in the formulation of synthetic based engine oils, and therefore, the need to source for alternative base oils for engine oil formulation from vegetable oils has become urge...

Open access Research Article 10.9734/jerr/2018/v3i116866

An Improved Logistic Function for Mapping Raw Scores of Perceptual Evaluation of Speech Quality (PESQ)

A. Olatubosun & Patrick O. Olabisi · Journal of Engineering Research and Reports · 2018

Voice service being the major offering of telecommunication networks, its level of Quality of Service (QoS) largely determines the performance of these networks. This work evaluated the state-of-the-art Perceptual Evaluation of Speech Quality (PESQ) objective model for perceptual...

Open access Research Article 10.9734/jerr/2018/v3i116704

Experimental Investigation of the Performance and Energy Consumption of an Automated Ice-cube Making Machine

Rasheed Ayofe Shittu & Isaac Femi Titiladunayo · Journal of Engineering Research and Reports · 2018

Aims: This study investigates the performance of a developed automated ice-cube making machine under controlled ambient conditions, in which its energy usage, rate of ice cube production and refrigeration system performance was analysed. Study Design: Average ambient temperatures...

Open access Research Article 10.9734/jerr/2018/v3i116700

Improvement on Semiconductor Substrate Design with Package Modeling and Simulation for Mitigation of Delamination and Voids

Frederick Ray I. Gomez & Rammil A. Seguido · Journal of Engineering Research and Reports · 2018

This technical paper presents the challenges encountered in the development of a compact and thinner package that incorporates multiple or stacked dice in one. For the case of this paper, Die1 (bottom die) is smaller than Die2 (top die) and must be the first one to be die-bonded,...

Open access Research Article 10.9734/jerr/2018/v2i416712

A Numerical Simulation of Meshes Mending Used in the Three-dimensional Porthole Die Extrusion of Thin Wall Profiles

Shao-Yi Hsia · Journal of Engineering Research and Reports · 2018

Aims: The variety of aluminium products used in many industries (e.g., aviation, railroad, and transport) drive the need for an urgent increase in aluminium feedstock. Improved aluminium extrusion forming and mold design guarantee product quality, shorten production time, and enh...

Open access Research Article 10.9734/jerr/2018/v2i416711

Comparative Study of Fluid Package on Extractive Distillation of Ethanol-water Mixture Using Pure Glycerol and Ethylene Glycol as Extracting Solvents

O. J. Odejobi, O. R. Oladokun & F. J. Ajeigbe · Journal of Engineering Research and Reports · 2018

The comparative study of Peng Robinson Strygek Vera (PRSV) and Non-Random Two Liquid (NRTL) fluid packages on the extractive distillation of ethanol-water mixture was done using pure glycerol and ethylene glycol as extracting agents. The process was simulated using HYSYS V. 8.4....

Open access Research Article 10.9734/jerr/2018/v2i416707

Reliability Assessment of a Base Transceiver Station Using 2-Parameter Weibull Distribution Method

Onoriode K. Idiapho & William E. Odinikuku · Journal of Engineering Research and Reports · 2018

About 80% interruptions of cellular network availability occur due to power outage on BTS stations and reliability analysis of these systems is yet to receive exhaustive studies. Most network providers solely depend on generating power on their BTS sites using diesel generators s...

Open access Research Article 10.9734/jerr/2018/v2i416705