• Suitability of β-Keratin from Chicken Feathers as Surface Sealant for Dust Control on Gravel Roads 

  Ndege, Pius Kariuki (JKUAT-CoETEC, 2024-11-04)

  Dust from unpaved roads has adverse effects like health and costly routine maintenance of re-grading and re-gravelling of unpaved roads for smooth flow of traffic. This study focused on suitability of β-keratin (from chicken ...
• Investigation of the Current Level of Building Information Modelling (BIM) Adoption by Building Contractors in Kenya 

  Oyuga, Joel Odhiambo; Oyuga, Joel Odhiambo (SABS, JKUATSABS, JKUAT, 2024-01-28)

  Construction is a key industry in any economy. It is made up of many actors, delivery methods, deliverables, workflow processes and tools. Building Contractors are one of the main actors within this industry since they ...
• Effect of Cypress Tree Extract on the Rate of Strength Develop-ment of Kenyan Portland Pozzolanic Cement Concrete 

  Onjure, Ezekiel Oyugi (JKUAT-CoETEC, 2024-08-06)

  Concrete is the most widely used construction material in the world. The situation in the country is not an exception as most of the infrastructures in Kenya such as build-ings, bridges, drainage among others, are constructed ...
• Evaluating the technical, managerial, socio-economic and environmental performance of Kenya’s Ahero irrigation scheme using the analytical hierarchy process (AHP) model 

  Moyale, George Khatete (2024-07-22)

  Abstract A majority of public irrigation schemes worldwide have continuously performed below their potential, and there is a need to investigate key components of irrigation scheme performance and provide study-based ...
• Evaluation of Crushed Slates as a Suitable Capping Material for Rapid Gravity Sand Filters 

  Maina, Oscar Njung’e (JKUAT-COETEC, 2024-07-22)

  In the potable water treatment process, Rapid Gravity Sand Filters (RGSF) are commonly adopted as the last solid-liquid separation stage. Cleaning of the RGSF is done through backwashing. RGSF is widely adopted all over ...
• The potential use of laser cladded functionally graded materials to mitigate degradation in boiler tube heat exchangers for power plant applications: A review 

  Morake, Joseph Bophelo (JKUAT-CoETEC, 2024-07-22)

  Surface modification is essential to safeguard heat exchangers from premature failure spurred by deterioration mechanisms such as corrosion and wear, which diminish performance. Meanwhile, modifying some substrates with ...
• Failure analysis of corroded heat exchanger CuNi tubes from a geothermal plant 

  Morake, Joseph Bophelo (JKUAT-CoETEC, 2024-07-22)

  This study examined the premature failure of cupronickel (CuNi10Fe) tubes in a shell-and-tube heat exchanger after five months of service. An investigation to identify the root cause of the tube burst was carried out ...
• Optimization of laser‑cladded SS316L/IN625 functionally graded material deposited on a copper substrate for boiler pipe heat exchanger applications 

  Morake, Joseph Bophelo (JKUAT-CoETEC, 2024-07-17)

  Laser cladding is a surface modification method that can be employed in components under severe operating conditions, such as boiler heat exchangers, to mitigate degradation. However, poor clad quality hinders performance ...
• A transformer-based end-to-end data-driven model for multisensor time series monitoring of machine tool condition 

  Oroko, Joanes Agung’ (2024-07-17)

  Online determination of a cutter’s health status is crucial for the attainment of condition-based automated tool change in computer numerically controlled (CNC) machining. Due to the impracticalities associated with ...
• Development of Performance a Based Road Management System for Kenya 

  Kundu, Dominic Achoka (JKUAT-COETEC, 2024-07-11)

  Performance based road maintenance (PBRM) entails reinstating the level of service (LOS) of road asset items to defined performance targets with implication of payment reductions on noncompliance. One of the major challenges ...
• Effect of thermal treatment on the pozzolanic activity of natural clay from selected Kenyan wetlands 

  Kyungu, Wa N’simba Yannick (JKUAT-CoETEC, 2024-07-17)

  The use of cement in construction is costly and degrades the environment. Therefore, affordable and easily available alternatives are needed. This study evaluated the effect of thermal treatment on the pozzolanic activity ...
• Numerical Study for the Design of a Fluidized Bed Reactor for Biomass Gasification 

  Njuguna, Fredrick Irungu (JKUAT-CoETEC, 2024-07-16)

  In biomass waste gasification, raw atmospheric air is commonly used as the gasification agent due to its affordability and availability. This leads to syngas with a low heating value and high tar content, limiting its ...
• Assessment of the Performance of Calcined Clay as a Partial Replacement for Cement in Rammed Earth Floor 

  Yannick, Kyungu Wa N’simba (JKUAT-CoETEC, 2024-06-27)

  Excessive dependence on cement for the stabilization of rammed earth in construction degrades the environment. Therefore, sustainable and easily available alternatives are needed. The aim of this study was to assess the ...
• Predictive Tool Condition Monitoring in Computer Numerically Controlled Milling 

  Oroko, Joanes Agung’ (OrokoJA2024, 2024-06-18)

  The surface integrity and dimensional accuracy of a computer numerically controlled (CNC) milled part is greatly affected by the wear condition of the cutting tool. An effective tool condition monitoring scheme is thus ...
• Optimization of Laser Cladded IN625/SS316L Functionally Graded Material for Heat Exchanger Applications 

  Morake, Joseph Bophelo (JKUAT-CoETEC, 2024-06-18)

  Engineering components operating in severe working environments require re- silient materials that can withstand degradation caused by corrosion, erosion- wear, and fatigue. This reduces failure problems in power plants ...
• Microgrid Multi-Level Control System for Photovoltaic-Wind Hybrid Generation System 

  Aloo, Linus Alwal (JKUAT-CoETEC, 2024-06-18)

  The concept of a microgrid is increasingly attracting interest among researchers and investors. This is because it offers a promising technology for utilizing distributed renewable energy generation resources, notably ...
• Assessment of Drought Occurrence and its Impacts on Rural Livelihoods in the Upper Ewaso Ng’iro Basin, Kenya 

  Kimaiyo, June Jerop (JKUAT-CoETEC, 2024-06-13)

  Drought assessment is necessary for identifying adaptation and resilience measures for the livelihoods of the communities. There is therefore an urgent need for comprehensive research on drought impacts and adaptation ...
• Evaluating the Hydraulic, Managerial, Socio-Economic and Environmental Performance of Ahero Irrigation Scheme 

  Moyale, George Khatete (JKUAT-CoETEC, 2024-06-11)

  Many of Kenya’s public irrigation schemes are performing below potential resulting in low yields suggesting the need for irrigation performance assessment of the schemes. The hydraulic, management, environmental and ...
• Non-Adaptive Protection Coordination for Radial Distribution Feeder with Distributed Generation 

  Kemei, Peter Kirui (JKUAT-CoTEC, 2024-05-14)

  The connection of Distributed Generations (DGs) into a power systems distribution network improves the network’s voltage profile, power quality and enhances voltage stability hence the distribution networks can withstand ...
• Evaluation of the Potential of Kericho Aquifer as a Source of Groundwater 

  Chepkemoi, Abigail (JKUAT-CoETEC, 2024-04-23)

  Groundwater is a major source of water supply in Kericho County, Kenya. However, this water source is threatened by the rise in the human population and climate change. Under these conditions, it is crucial to assess the ...

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