The study examined the relocation and optimization of cassava aggregation centers in Anambra State's agricultural regions. Existing literature indicates that effectively relocating and allocating these centers is crucial for boosting agriculture productivity and bridging a signif...
Open access
Research Article10.9734/jerr/2025/v27i61554
Robinson José García Gavilánez, Karen Lisbeth Betancourt Ludeña, Carlos Miguel Garzón Cárdenas & Luis Antonio Caicedo Hinojosa·Journal of Engineering Research and Reports·2025
The geometric configuration of solar thermal collectors plays a critical role in determining their energy absorption capacity, optical efficiency, and structural feasibility. While traditional designs rely on fixed geometries such as flat plates or parabolic troughs, these do not...
Open access
Research Article10.9734/jerr/2025/v27i61555
Aim: This study investigated blended cottonseed oil's potential as a sustainable lubricant for internal combustion engines. Study Design, Place and Duration of Study: The experiment, conducted in Nigeria at Abubakar Tafawa Balewa University, Federal Polytechnic Bauchi, and Nenis...
Open access
Research Article10.9734/jerr/2025/v27i61556
This study investigates the potential of coconut shell ash (CSA), an agricultural waste product, as a supplementary cementitious material (SCM) for sustainable concrete production. CSA, obtained from calcined coconut shells and rich in reactive silica, alumina, and iron oxides, w...
Open access
Research Article10.9734/jerr/2025/v27i61557
Successive government in Nigeria have made series of attempts aimed at addressing issues such as energy access, poverty, unemployment, and inequality. These efforts have been undermined by structural impediments which include inadequate institutional capacity, lack of policy cohe...
Open access
Research Article10.9734/jerr/2025/v27i61552
With the continuous advancement of sustainable construction materials, fly ash concrete (FAC) has garnered significant attention due to its environmental benefits and mechanical performance. FAC is a novel concrete material in which fly ash, a byproduct of coal combustion in powe...
Open access
Research Article10.9734/jerr/2025/v27i61553
MIP remains indispensable for pore structure analysis due to its precision and broad measurement range. However, its integration with XCT represents a breakthrough, offering a holistic view of cement-based materials' porosity. In the determination of pore characteristics of porou...
Open access
Research Article10.9734/jerr/2025/v27i61551
A kneader for a groundnut oil expeller, based on the screw press principle, was designed, constructed, and evaluated through performance testing. The design of the machine was done using standard engineering equations and the components of the machine include feeding inlet, knead...
Open access
Research Article10.9734/jerr/2025/v27i61550
Ololade Funke Olaitan, Ogheneruemu Nathaniel Akatakpo, Chukwujama Osinachi Victor, Chukwumaeziokwu James Emejulu, Temiloluwa Mercy Ayoola, Damilola Emmanuel Olayiwola & Azeez Abiodun Ajibola·Journal of Engineering Research and Reports·2025
Smart manufacturing, driven by the Industrial Internet of Things (IIoT), is transforming real-time data sharing, predictive maintenance, and process automation. However, the increasing complexity and connectivity of IIoT environments present significant security and resilience ch...
Open access
Research Article10.9734/jerr/2025/v27i61548
Fly ash is a solid waste from coal-fired power plants, and its massive discharge puts pressure on the ecological environment. Using fly ash in concrete can improve strength and reduce cement usage, but its early strength is relatively low. By grinding to produce ultrafine fly ash...
Open access
Research Article10.9734/jerr/2025/v27i61549