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 Article10.9734/jerr/2018/v3i216869
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 Article10.9734/jerr/2018/v3i116868
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 Article10.9734/jerr/2018/v3i116867
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 Article10.9734/jerr/2018/v3i116866
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 Article10.9734/jerr/2018/v3i116704
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 Article10.9734/jerr/2018/v3i116700
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 Article10.9734/jerr/2018/v2i416712
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 Article10.9734/jerr/2018/v2i416711
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 Article10.9734/jerr/2018/v2i416707
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 Article10.9734/jerr/2018/v2i416705
This paper presents an Excel approach for infiltration capacity for different types of lands. That is to employ the popular Microsoft Excel software to represent the measured infiltration data graphically. Regression analysis is performed for the accumulated infiltration versus t...
Open access
Research Article10.9734/jerr/2018/v2i416702
This study was aimed at developing chitosan-rice husk ash adsorbent for the removal of crude oil from contaminated water. Design Expert software 6.06 was used to design the adsorption experiment. The adsorption was tested for Langmuir, Freundlich and Temkin isotherms and the kine...
Open access
Research Article10.9734/jerr/2018/v2i310962
In the present study, Magnetohydrodynamics (MHD) natural convection Casson fluid flow over a non-isothermal stretching sheet embedded in a porous medium is considered. The set of governing differential equations are simplified by similarity variables into coupled ordinary differe...
Open access
Research Article10.9734/jerr/2018/v2i310957
Due to the advancement in science and technology all over the world, there is a significant increase in the rate of crime and sophistication in crimes; as a result, it is necessary to ensure the security of one’s self and one’s valuable belongings. The main goal of this paper is...
Open access
Research Article10.9734/jerr/2018/v2i310954
Differential implementation is becoming highly popular in Radio Frequency Integrated Circuit (RFIC) design, notably for its high immunity to common-mode noises, acceptable rejection of parasitic coupling, and increased dynamic range. One RF front-end building block that is usuall...
Open access
Research Article10.9734/jerr/2018/v2i310956