• Pineapple Slices Classification Using a Hybrid Feature Extraction Technique and Multiclass SVM 

  Kamau, John Nyutu (JKUAT-COETEC, 2022-10-25)

  Automatic fruit quality inspection is important to improve quality and reduce production costs. Fruit grading and sorting is primarily visual. Real-time fruit inspection and grading requires high-quality photos with easily ...
• Influence of Spatial Characteristics on Utilization of Urban Parks in Nairobi City County, Kenya 

  Mbiti, Stella Kasiva (JKUAT-COETEC, 2022-10-24)

  In spite of the vital roles of urban parks in cities, parks in Nairobi City County (NCC) continue to suffer excessive variation in use. However, the factors influencing this variability are not yet explained empirically. ...
• A Framework for Enhancing the Organizational Performance of Local Contractors in Kenya 

  Mutungi, Shadrack Simon (JKUAT-COETEC, 2022-10-13)

  Foreign construction firms have increasingly dominated the Kenyan construction industry over the last couple of years. The main reason for the continued foreign dominance in the local construction industry has been attributed ...
• Macro-Economic Factors for Enhancing Construction Output and Policy Formulation in Kenya 

  Mbusi, Emmanuel Thyaka (JKUAT-COETEC, 2022-09-07)

  Management of construction industry at the micro level is currently a problem in Kenya. This happens in three dimensions: construction demand estimation, construction supply targeting and construction output control in the ...
• Hyperspectral remote sensing for cropland assessment and modeling for agro-ecological zones: A case study of Taita Hills, Kenya 

  Boitt, Mark Kipkurwa (JKUAT-COETEC, 2022-07-27)

  This dissertation seeks mainly to provide an assessment of cropland characteristics in the Taita Hills. The objectives of this research are: Identification of crops using hyperspectral imagery, delineation of agro-ecological ...
• Effects of Partial Replacement of Sand with Sawdust and Fish Scales on the Properties of Concrete Blocks 

  Oluchiri, Timothy Ongino (JKUAT-COETEC, 2022-06-14)

  This study investigated the potential use of sawdust and fish scales as aggregates in partial replacement of sand in the manufacture of masonry blocks. Both sawdust and fish scales are by-products of industrial processes ...
• Sustainable Bioremediation of Soil Contaminated with Petroleum Sludge: A Case Study of Sultan Hamud. Kenya 

  Mulama, James Kiprotich (JKUAT-COETEC, 2022-06-07)

  Petroleum sludge is a residue extracted mostly from petroleum storage. Contaminants in petroleum sludge (heavy metals and hydrocarbons) may exist in the soil for long periods and may be transmitted to plants and tissues ...
• Failure Prediction of Rolling Element Bearings Operated Under Non-Stationary Conditions 

  Mbagaya, Leila Lung’atso (JKUAT-COETEC, 2022-06-07)

  Bearings constitute a majority of the components found in rotating machines. Though inexpensive, their failure can result in unnecessary downtime, losses in production, and propagation of failure to other critical ...
• Performance Analysis of a Mui Basin Coal Gasifier Based on Feed Oxygen, Water Concentration and Heat Regulation 

  Oyugi, Oyugi George (JKUAT-COETEC, 2022-05-24)

  Kenya depends mainly on electricity from hydroelectric power, which is unreliable due to climatic change, and thermal generators whose power is expensive due to high diesel prices. Innovative ways of providing affordable ...
• Simulation of Flow Over of a Gas Turbine Compressor Blade Running on Air and Syngas 

  Maina, Liz Wangui (JKUAT-COETEC, 2022-05-23)

  There has been an increase in demand for electricity globally. Gas turbines run ning on syngas are being used to generate electricity. This is because syngas is a renewable source of energy. As of 1999, General Electric ...
• Development of a Numerical Model of Syngas Expansion in a Gas Turbine Utilizing Mui Basin Coal 

  Muinde, Agatha Mbeni (JKUAT-COETEC, 2022-05-23)

  The global energy demand has been increasing over the years and is still expected to increase by 25% in 2040. The rise in demand is being accelerated by economic growth and industrialization of developing countries in ...
• Development of a Performance Index for Building Construction Projects in Kenya 

  Mbugua, Magdaline Wamaitha (JKUAT-COETEC, 2022-03-28)

  Building construction projects in Kenya suffer from cost and time overruns as well as the frequent collapse of buildings. One of the major reasons why the construction industry is failing is the lack of measurement of the ...
• Optimisation of Motion and Force Transmissions in a Single-Toggle Jaw Crushing Mechanism 

  Mwangi, Joseph Kimani (JKUAT-COETEC, 2022-03-24)

  Jaw crushers are important mechanisms in quarries and construction sites used to reduce rocks and stones into aggregate materials for construction works. These crushers are also used in the mining industry to prepare the ...
• Investigating the Influence of Building Information Modelling (BIM) on Engineering Contract Management in Kenya: The Case of Nairobi County 

  Mosse, Hellen Nyaboke (JKUAT-COETEC, 2022-02-22)

  Building Information Modelling (BIM) is a technology and a process that has brought changes in the construction procurement system. Kenya lacks contractual guidelines on implementation of BIM, and this makes the adoption ...
• Suitability of Sisal Juice Extract as a Retarder in Cement Concrete 

  Eloget, Michael Okilate (JKUAT-COETEC, 2022-02-21)

  Admixtures are used to improve the properties of concrete or mortar to make them more suitable to work by hand or for other purposes such as saving mechanical energy. Retarding admixtures are used to slow the rate of setting ...
• Investigation of Stresses in Aluminium A356 Alloy Pelton Turbine Buckets 

  Mbiu, Richard Njihia (JKUAT-COETEC, 2021-12-08)

  Rapid increase in energy consumption and global warming threatening the environment together with the unpredictable increases of the fossil fuel prices has increased the importance of renewable energy sources. The need to ...
• Effectiveness of Alternative Dispute Resolution Methods in the Rwandan Construction Industry 

  Osiri, Jean D’amour (JKUAT-COETEC, 2021-12-08)

  The construction industry is laden with a lot of project performance issues which usually lead to disputes between the Employer and the Contractor. This study investigates the effectiveness of the alternative dispute ...
• Analysis and Mitigation of Harmonics in Power Distribution Network 

  Ndung’u, Charles Mbugua (JKUAT-COETEC, 2021-11-29)

  Harmonic distortions for low voltage distribution network is a research area that has not been extensively explored due to the assumption that the harmonics do not adversely affect low voltage equipment. However, field ...
• Developing A Techno-Economic Modelling Tool for Small-Scale Utility Solar PV Technology for Quantifying Environmental Impacts 

  Kibaara, Samuel Kariuki (JKUAT-COETEC, 2021-11-29)

  Globally, attention has been focused on pollution and exhaustion of fossil fuels allied to conventional energy sources. In contrast, non-conventional energy/renewable energy sources have always been considered clean and ...
• Modelling of Urban Heat Island and Quantification of Amelioration Effects of Plant Species on Microclimate and Human Thermal Comfort in Nairobi City, Kenya 

  Matsaba, Emmanuel Ochola (JKUAT-COETEC, 2021-11-22)

  Rapid urbanisation and global warming have led to the Urban Heat Island (UHI) phenomenon in Nairobi City. The UHI phenomenon is considered the most interpretive indication of an urban climate change in the current time of ...

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