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All published articles 1996

Comparative Study of Weekly Discharge Rate of Two Solar Batteries Commonly Used in Anambra State

Ugbaja, Chikodiri Marymartha, C. U. Ikeh & G. N. Egwuonwu · Journal of Engineering Research and Reports · 2019

The purpose of this study is to compare the weekly discharge rate of two solar batteries commonly used in Anambra State. The batteries considered were the Indian made battery with specification Luminous, Deep cycle sealed maintenance free batteries solar application, Lum 12V 100A...

Open access Research Article 10.9734/jerr/2019/v6i216940

Design of Common-gate with Common-source Active Balun for WiMAX Receiver Front-end

Frederick Ray I. Gomez, Maria Theresa G. De Leon & John Richard E. Hizon · Journal of Engineering Research and Reports · 2019

This paper presents a design and simulation study of a common-gate with common-source active balun circuit implemented in a standard 90-nm complementary metal-oxide semiconductor (CMOS) process.  The active balun design is intended for worldwide interoperability for microwave acc...

Open access Research Article 10.9734/jerr/2019/v6i116939

Adsorption of Cyanide from Cassava Wastewater Using Calcined and Activated Oyster Shell Ash

Oto-Obong P. Akpan & B. R. Etuk · Journal of Engineering Research and Reports · 2019

Calcined ash and activated ash adsorbents were prepared from oyster shell. The physico-chemical properties of the prepared calcined oyster shell ash (COSA) and activated oyster shell ash (AOSA) were obtained using ASTM standards and Sears method. The results show that AOSA is a b...

Open access Research Article 10.9734/jerr/2019/v6i116938

Effectiveness of Various Techniques Using FRP for the Strengthening of R. C. Beams with Tension Lap Splices

Mohamed H. Makhlouf · Journal of Engineering Research and Reports · 2019

This paper presents an experimental program conducted to investigate the flexural performance of RC beams with tension reinforcement lap splice strengthened using externally bonded FRP different techniques in splice region. The specimens were reinforced on the tension side with f...

Open access Research Article 10.9734/jerr/2019/v6i116937

Performance of Isolated Footings Reinforced Randomly by Glass Fiber

Elsayed El Kasaby & Mohammad Farouk A. Bdelmagied · Journal of Engineering Research and Reports · 2019

Fiber glass reinforced concrete (FGRC) is used form any structural elements due to its high mechanical properties, particularly flexural strength. As the concrete crack forming process accelerates and the probability of sudden fractures increases. There were various methods to el...

Open access Research Article 10.9734/jerr/2019/v6i116935

A Study of Vacuum Efficiency for Silicon on Insulator Wafers

Bryan Christian S. Bacquian & Frederick Ray I. Gomez · Journal of Engineering Research and Reports · 2019

The development on thinner packages has become the trend and focus in semiconductor packaging industry. The necessity of thinner packages also entails a thinner vertical structure of the integrated circuit (IC) design. As a major contributor on the vertical structure of the IC pa...

Open access Research Article 10.9734/jerr/2019/v6i116936

Analysis and Evaluation of Specific Absorption Rate of GSM Signal in Port Harcourt, Nigeria

Promise Elechi, Sunny Orike & Promise Agugharam · Journal of Engineering Research and Reports · 2019

There is a growing concern in the world that residents close to GSM base station facilities are exposed to electromagnetic radiation which causes different health illness like cancer, leukemia, memory lost, dizziness, fatigue, etc. This study puts to rest the position on the effe...

Open access Research Article 10.9734/jerr/2019/v5i416934

Assessing Qualities of Different Sources of Water for Mixing Concrete

Peter P. Yalley, Kennedy Appiadu-Boakye & Wisdom D. Adzraku · Journal of Engineering Research and Reports · 2019

This study investigates the effects of water sources on concrete properties. A mix ratio of 1:1.5:3 with 0.5w/c was used in mixing the concrete.  Water from the Stream, the hand-dug well and the borehole were used for the experiments with pipe borne water serving as the control....

Open access Research Article 10.9734/jerr/2019/v5i416932

Strengthening Methods of the Existing Reinforced Concrete School Buildings in Medina, Saudi Arabia

Mohamed Laissy & Mohammed Ismaeila · Journal of Engineering Research and Reports · 2019

Nowadays, evaluation of the seismic performance of existing buildings has received great attention. This paper was carried out to study the effect of strengthening the existing reinforced concrete (RC) school buildings in Medina, Saudi Arabia through assessing the seismic perform...

Open access Research Article 10.9734/jerr/2019/v5i416933

Statistical Analysis of Rice Husk Ash as a Construction Material in Building Production Process

John U. Ezeokonkwo, Chukwuemeka D. Ezeliora & Echefuna C. Mbanusi · Journal of Engineering Research and Reports · 2019

This study considers the statistical analysis of rice husk ash as a construction material in building production process. The quality of concrete mixture is of inevitable concern to all stakeholders in the construction industry in the zone when the climatic conditions of the zone...

Open access Research Article 10.9734/jerr/2019/v5i416931

Use of Smart Controls in Intelligent Well Completion to Optimize Oil & Gas Recovery

Austin Afuekwe & Kelani Bello · Journal of Engineering Research and Reports · 2019

For the past few years, the oil and gas industry has faced several economic, geographic and technical challenges largely due to decline in crude oil prices and market volatility. In the quest to address some of these challenges to accelerate production and subsequently maximize u...

Open access Research Article 10.9734/jerr/2019/v5i416930

Performance Evaluation of Drip Irrigation Systems on Production of Okra (Hibiscus esculentus) in Southwestern, Nigeria

M. O. Amoo, T. A. Ademiju, A. J. Adesigbin & G. A. Ali · Journal of Engineering Research and Reports · 2019

This study was carried out to evaluate the performance of drip irrigation systems on the production of okra (Hibiscus esculentus) in southwestern, Nigeria. Application of water to crops in an area of scarcity of water is very important to meet the food demand of the ever-increasi...

Open access Research Article 10.9734/jerr/2019/v5i316928

Data Mining and Statistical Analysis for Available Budget Allocation Pre-procurement of Manufacturing Equipment

O. O. Ojo, B. O. Akinnuli & P. K. Farayibi · Journal of Engineering Research and Reports · 2019

In a situation where a decision maker faces problems of allotting the available budget on the strategic decisions in a manufacturing industry, data information plays an important role to maintain long run profit in the industry. Statistical analysis was incorporated to determine...

Open access Research Article 10.9734/jerr/2019/v5i316926

Performance Evaluation of a Portable Ginger Slicing Machine

I. Abubakar, D. D. Yusuf, U. S. Muhammed, A. Zakariyah, J. K. Agunsoye, K. A. Habiba & Z. U. Bashar · Journal of Engineering Research and Reports · 2019

The study aimed at evaluating the functional performance of a developed portable ginger rhizomes slicing machine. The study was conducted at various levels of impeller speed, impeller gang and slicing compartment in the Department of Agricultural and Bioresources Engineering, Ahm...

Open access Research Article 10.9734/jerr/2019/v5i316925