Browsing Faculty of Engineering, Built Environment & Design (FEng / FBD) by Title
Now showing items 970-989 of 1487
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Optimization of the angle of cut of a frog in a mouldboardPlough: case of a sandy clay soil
(University of Nairobi, 2015)The Mouldboard plough is a common tillage implement used in Kenya. The draught characteristics and ability to maintain desired depths and speed of operation at different frog angles is unknown. This study aimed at optimizing ... -
Optimization of the Electrolyte and Electrode Solid-solid Interface in a Solid-state Lithium Ion Battery: Application of Electrospray Technique.
(University of Nairobi, 2023)Over time, the demand for thin film lithium ion batteries has grown due to technological developments that have led to the miniaturization of electronic devices which require smaller power sources. However, lithium ion ... -
Optimization of utilization of Eucalyptus Grandis tree species in tea factories in Kenya
(University of Nairobi, Kenya, 2010)Recent upward increase in global fuel oil prices has led a number of Tea factories to convert their boilers from fuel oil to wood fired. The conversion to wood fuel may also be necessitated by the need to reduce carbon ... -
Optimizing cellular phone coverage in dense urban environments using 3d geo-information: A case study of the Nairobi central business district, Kenya
(Department of Geospatial and Space Technology, 2009)Optimal signal coverage of a target area has always been a fundamental issue for cellular network operators. Other issues related to capacity, quality of service and cost efficiency are also rapidly gaining prominence. ... -
Organization structure of general construction firms in Kenya: a contingency approach
(Department of Building Economics and Management, University of Nairobi, 1992-08)The construction industry is under pressure to improve productivity, reduce wastage of re~6urces and to increase predictability of its performance. Construction projects implementing and contractors organizations should ... -
Packaging and packaging design in Kenya
(University of NairobiDepartment of Design, 1984)This work is an exploratory investigation in the field of Packaging Design. From the outset the two words are separately explained and later combined to form a comprehensive title of the thesis, Packaging and Packaging ... -
Partial isothermal sections of the copper-rich corner of the al-cu-zn system at 200ºc and 240ºc
(University of Nairobi, 2018)The Al-Cu-Zn alloy system is well-used because it has demonstrated many useful properties. Currently, Al-Cu-Zn alloys are primarily used as shape memory alloys. Other applications are in catalysis, in electronics and in ... -
Participation of the private sector in power sub-sector in Kenya: a case study of Brooke Bond (k) Ltd in Kericho district, Kenya
(Department of Urban and Regional Planning, University of Nairobi, 2001)Recent discussion of approaches to power sub-sector improvement in the energy sect developing countries have tended to concentrate exclusively on privatization of the pt power utilities. There is need for substantive ... -
Patterns of Water Consumption in the Middle Income areas of Nairobi
(Civil and Construction Engineering, University of Nairobi, 1986) -
Pavement Evaluation of Kampi Ya Moto - Eldama Ravine - Kamwosor B77 Road
(University of Nairobi, 2023)Assessing the performance of pavements is crucial to determining their serviceability and structural integrity. Pavement failure and deterioration begin shortly after the road is opened to traffic. Various factors, ... -
Pavement Evaluation of Mbagathi Road, Kenya
(University of NairobiDepartment of Civil and Construction Engineering, 2012)Mbagathi Road has been open to traffic for six years and yet various distress features have been observed despite the fact that most concrete roads are expected to operate for over twenty (20) years without any major ... -
Pedotransfer functions for saturated hydraulic conductivity for surface runoff modeling
(University of NairobiDepartment of Environmental and Biosystems Engineering, 2013)The study involved development of pedotransfer functions (PTFs) for determining saturated hydraulic conductivity (Ks) used in surface flow prediction. This preceded evaluation of existing PTFs for Ks in flow simulation. ... -
Performance of crushed coconut shell as coarse media in dual media filters
(Department of environmental and biosystems engineering, 1993)Filtration accounts for a substantial portion of water treatment cost. The dual media filter, by operating at a higher filtration rate than the conventional rapid sand filter, can reduce the cost of filtration considerably. ... -
Performance Analysis of a Novel SSK Sequence Modulation
(University of Nairobi, 2022)This thesis is concerned with developing a novel way of transmitting information using nonmodulated symbols in sequence. In this scheme, which is named Space Shift Keying-Sequence Modulation (SSK-SqM), multiple time-slots ... -
Performance characterization of e-band links for wireless back-haul in broadband networks: the case for Kenya.
(University of Nairobi, 2018-01)The demand for high data speeds by users of mobile and fixed data services, telecom operators, data service providers and heavy data application institutions has posed a huge challenge of optimum backhaul solutions. To ... -
Performance evaluation of an existing solar concentrator
(University of Nairobi, 2013)The main sources of energy in the world are based on fossil fuels. However, these sources have several downsides such as causing damage to the environment and they are also sensitive to price changes. Due to the above ... -
Performance evaluation of asphalt concrete pavements in Ethiopia, the application of HDM-4 road deterioration sub-model
(University of Nairobi, 2013-05)Many road performance models have been developed and used as important inputs for design and evaluation of pavements especially in the Post-AASHO Road Test era. The Highway Development and Management model (HDM-4), a ... -
Performance Evaluation of Pedestrian facilities at Donholm Interchange along outer Ring Road Nairobi.
(University of Nairobi, 2020)Under Vision 2030, the Kenyan government recognized transportation infrastructure as enabling fast economic growth. The development of transport infrastructure is fundamental to socio-economic transformation. In order to ... -
Performance evaluation of solar Photovoltaic systems: a case of fixed, single and dual axis tracking systems
(University of Nairobi, 2016)Solar energy is a clean and naturally available source of energy. Its exploitation has been hampered by the low conversion efficiency of PV panels. This research investigates the technical and economic benefits of two ...