Segmental prefabrication construction method is a bridge construction technology that divides a span bridge into several segments along the axis direction, prefabricated in batch at the beam yard and transported to the construction site for assembly. This method has been graduall...
Open access
Research Article10.9734/jerr/2023/v24i12864
The problem with water vapour in natural gas stream, threaten the process facilities if the dew point temperature is not properly managed. Hydrate formation is inevitable at temperatures below the dew point. It becomes very important to reduce the water content in the gas stream...
Open access
Research Article10.9734/jerr/2023/v24i12862
This paper introduced an effective method for regulating and controlling the speed of PMSMs (permanent magnet synchronous motors) by linearizing the non-linear and time-varying equations that model the PMSM dynamics. This method was achieved by utilizing an improved state feedbac...
Open access
Research Article10.9734/jerr/2023/v24i12863
The dwindling supply of fossil fuels has created a shortage, while the discharge of CO2 emissions from internal combustion engines poses a serious threat to the environment through air pollution. Hence, electric vehicles (EVs) play a vital role in the automotive sector by decreas...
Open access
Research Article10.9734/jerr/2023/v24i12861
Physical, mechanical and dynamic properties of composites produced from coconut fibres using pure water sachet (LDPE) as matrix were evaluated in this study in order to assess its suitability for use as particleboards. The LDPE (waste water sachets) and coconut coir/fibre were co...
Open access
Research Article10.9734/jerr/2023/v24i12859
John K. Quarm Junior, Charles K. Kankam, Prosper Tudagbe-Obuor, Vincent K. Akortia, Emmanuel K. Banini, Evans Biney, Peter K. Adzakey & Christopher Kofi Dzivenu·Journal of Engineering Research and Reports·2023
This study was conducted to examine the structural behavior of concrete beams reinforced with local steel bars available in Ghana. The concrete was prepared from conventional materials of ordinary Portland-limestone cement, pit sand and granitic stones. Steel bars of sizes 12mm,...
Open access
Research Article10.9734/jerr/2023/v24i12860
The art of predicting crop production is done before the crop is harvested. Crop output forecasts will help people make timely judgments concerning food policy, prices in markets, import and export laws, and acceptable warehousing. It is possible to reduce the socioeconomic effec...
Open access
Research Article10.9734/jerr/2023/v24i12858
In the non-inductive control of permanent magnet synchronous motor, the rotor position information of the motor is usually estimated by the synovial film observer. Synovial observer has the advantages of simple control structure and short response time. The switch function of the...
Open access
Research Article10.9734/jerr/2023/v24i12856
This work examined the optimization of hardness test for Powdered Pentaclethra macrophylla Pod /Bio-Epoxy Resin Based Brake Pad Composite Using Central Composite Design. The Pentaclethra macrophylla pod was manually cleaned and sun-dried for about three hours per day for three...
Open access
Research Article10.9734/jerr/2023/v24i12857
This study aims to provide information on the engineering characteristics of laterite soil, which is frequently used as a building material in civil engineering projects. The significance of subsoil investigations has grown significantly in light of the recent trend of civil cons...
Open access
Research Article10.9734/jerr/2023/v24i12855
This paper presents a proposed a Dual-Band T-Slot Microstrip Patch Antenna for sub-6GHz 5G application. The proposed antenna is designed to operate at two frequency bands of 5.923 GHz and 7.444 GHz respectively. The size and feed technique are determined by design formulas. The s...
Open access
Research Article10.9734/jerr/2023/v24i11854
This paper presents a proposed Circular-shaped Antenna array for millimeter-wave application. The proposed antenna is designed to operate at mm-wave frequency of 17 GHz. Circular antennas give good return loss, and better gain and directivity. The main aim of using the array is...
Open access
Research Article10.9734/jerr/2023/v24i11852
In order to ensure the safety and stability of the power battery, the design of refrigeration system is very important. Firstly, a battery model based on logic control and lumped heat parameters was established to determine the real-time and accurate state of battery heat generat...
Open access
Research Article10.9734/jerr/2023/v24i11853
The beam structure is an essential structural element to construction professionals, and most engineers must be familiar with beams. The type of beam structure discussed in this article is a fixed-end beam structure with uniform loads. Calculating the forces and structural deform...
Open access
Research Article10.9734/jerr/2023/v24i11850
In order to study the bond performance of steel bars and recycled concrete, the ultimate bond stress distribution between recycled concrete and steel bars is analyzed through central pull-out test, and the influence of steel bars grooving on actual stress distribution is consider...
Open access
Research Article10.9734/jerr/2023/v24i11851