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All published articles 1996

Design of a Microcontroller Based Community Security System for Developing Nations

O. O. Akinwole, A. S. Adewale & A. J. Ojo · Journal of Engineering Research and Reports · 2021

There can never be any time in the history of mankind that issue of community security secures the rapt attentions of all and sundries. It is believed in many security circles that the upsurge may not be unconnected from craves for materialism, ubiquitous social media technologie...

Open access Research Article 10.9734/jerr/2021/v20i1017386

Elimination of Non-stick on Leads Defect through Re-designed WCTP

Richard G. Mariano, Alyssa Grace S. Gablan & Frederick Ray I. Gomez · Journal of Engineering Research and Reports · 2021

This paper presents the reformation and fabrication resolved on the wire clamp and top plate (WCTP) design to eliminate the presence of lead finger bouncing resulting to high rejection of non-stick on leads (NSOL). Problem experienced was that the hollow or half-etched portion of...

Open access Research Article 10.9734/jerr/2021/v20i1017385

Development of Optimal Design and Circular Broach Modular Design of Disc Cutters with the Development of a Parametric Model

Ezekiel Oluwadamilare Akintona, Okeagu Fredrick & Nwufo Maduka Augustine · Journal of Engineering Research and Reports · 2021

Cutting tool is one of the most important instruments in production. It is used for machining of different components on machine tools. A material is cut into a chip to incur the desired work piece surface currently used in engineering various cutting tools. The directions of dev...

Open access Research Article 10.9734/jerr/2021/v20i1017384

Structural Assessment Considering Architectural Constraints with Seismic Retrofitting

Abdulrahman Sanoufi, Hani Bawazeer, Yoseff Sebaei, Yousef Shaheen & Muhammad Tayyab Naqash · Journal of Engineering Research and Reports · 2021

The Kingdom of Saudi Arabia is located in a low to medium earthquake zone. Therefore, the inclusion of seismic loads in building design was limited to specific building structures such as highrise and midrise in the past decades. Recently, the development and adoption of the Saud...

Open access Research Article 10.9734/jerr/2021/v20i1017383

Viscoelastic Material Characterization: A Realistic Approach to Stress Analysis

Amor Zapanta & Jefferson Talledo · Journal of Engineering Research and Reports · 2021

This paper presents an advanced method in materials characterization for the mold compound material in semiconductor packages to build models that can technically explain the actual warpage or stress observations under different thermal conditions and time history. In the study,...

Open access Research Article 10.9734/jerr/2021/v20i917381

Process Simplification on Integration of UV Cure Machine with Tape Saw Singulation

Mariane A. Mendoza, Alyssa Grace S. Gablan, Hardy L. Tierra & Frederick Ray I. Gomez · Journal of Engineering Research and Reports · 2021

Strips that have undergone tape saw singulation will not be completed without the ultraviolet (UV) curing process. To detach the units from the tape, the singulated strips have required further assistance to be loaded for UV cure. Otherwise, hard-to-pick units will be the outcome...

Open access Research Article 10.9734/jerr/2021/v20i1017382

Rainfall in Bangladesh

Debajani Chakraborty, Mst. Mahbuba Khatun & Iftekharul Alam · Journal of Engineering Research and Reports · 2021

Rainfall is the important climatic parameter on which the agriculture and economic condition of Bangladesh depends. For this reason, the scenario of rainfall throughout the country was illustrated briefly in this paper. Secondary data which were annual rainfall data of 34 station...

Open access Research Article 10.9734/jerr/2021/v20i917379

Understanding Jig Alignment Error Occurrences for Substrate 1-Map Strips

Mariane A. Mendoza, Maria Virginia S. Buera, Frederick Ray I. Gomez & Allen Jay D. Kumawit · Journal of Engineering Research and Reports · 2021

Singulation is a process in a semiconductor industry where high dense strips were singulated into single units. Jig saw singulation was the updated technology where strips were seated and vacuumed on a rubber nest jig during singulation. Jig saw singulation is also practical for...

Open access Research Article 10.9734/jerr/2021/v20i917380

Characterization and Application of Solitons in a High Nonlinearity Optical Link with Dense Wavelength Division Multiplexing (DWDM) and Ultra-Dense Wavelength Division Multiplexing (UDWDM) Technics

Aristide Mankiti Fati, Rostand Davy Martialy Loembe Souamy, Fraidy Ghislain Bouesse, . Nzonzolo, André Pasi Bengi Massata, Camille Nziengui Mabika & Badila Nkodia Chilperic · Journal of Engineering Research and Reports · 2021

The constantly growing needs in terms of speed and bandwidth, especially all services using data has become greedy. Today optical fiber is the medium of choice for many advantages over others channels. although the optical fiber has taken the label of transmission channels, we wo...

Open access Research Article 10.9734/jerr/2021/v20i917378

Design of a Community-Based Anaerobic Digester for Sustainable Solid Waste Management in Ile-Oluji Ondo State Nigeria

R. I. Areola & O. O. Ipindola · Journal of Engineering Research and Reports · 2021

Aim: A Community-Based Anaerobic Digester was designed in this study for sustainable solid waste management in Ile-Oluji, Ondo state Nigeria. Methodology: Waste samples were collected from selected households for a period of one month and the components and percentage composition...

Open access Research Article 10.9734/jerr/2021/v20i917377

Performance of Active Clamp and Interleaved Active Clamp Fly back DC-DC Converters for PV Systems

Noorhan E. Elsobky, Yasmine Ashraf, Mostafa A. Hamouda, Mohamed Sabry, Sahar S. Kaddah & Basem M. Badr · Journal of Engineering Research and Reports · 2021

The Flyback converter topology is a well-known and widely used for AC-DC and DC-DC power converters that cover a broad-spectrum including switching power supplies, photovoltaic (PV) system, electric cars, and fuel cell-based generation systems, and among other applications. In th...

Open access Research Article 10.9734/jerr/2021/v20i917376

Support Vector Machine Model for Predicting Gas Saturated and Undersaturated Crude Oil Viscosity of Niger Delta Oil Reservoir

Isemin Isemin, Akinsete Oluwatoyin & Akpabio Julius · Journal of Engineering Research and Reports · 2021

Oil viscosity is one of the most important physical and thermodynamic property used when considering reservoir simulation, production forecasting and enhanced oil recovery. Traditional experimental procedure is expensive and time consuming while correlations are replete however t...

Open access Research Article 10.9734/jerr/2021/v20i917375

Comparison of Suction/Injection Effect on Flow, Heat and Mass Transfer in Porous Media Using a Combined Similarity-Numerical Solution

Falana Ayodeji, Babatope. O Pele & Abubakar A. Alao · Journal of Engineering Research and Reports · 2021

This investigation deals with a comparison of suction/injection effect on flow, heat and mass transfer in porous media using a combined similarity-numerical solution. With this method of transformation, the governing transport PDEs are transformed into ODE and then solved numeric...

Open access Research Article 10.9734/jerr/2021/v20i917374

Cost Implications of Equipment Failures Using Life Cost Based Failure Modes and Effects Analysis (FMEA) on 365KVA Caterpillar Generator

Oghu Emughedi · Journal of Engineering Research and Reports · 2021

Equipment failures have implication on financial sustainability of the organization. This showcase the fact that equipment failures have cost implications and there is need to convert failures using Failure Modes and Effect Analysis, FMEA numerical analysis of 3parameters of seve...

Open access Research Article 10.9734/jerr/2021/v20i917373

Impact of Curing Methods on the Porosity and Compressive Strength of Concrete

Francis Kwesi Nsakwa Gabriel-Wettey, Kennedy Appiadu-Boakye & Firmin Anewuoh · Journal of Engineering Research and Reports · 2021

An experimental investigation was conducted to evaluate the impact of different curing practices on the porosity and compressive strength of concrete. The targeted compressive strength of the concrete at 28-day of curing was 20 N/mm2. Plain concrete cubes were prepared with a mix...

Open access Research Article 10.9734/jerr/2021/v20i917371