Browsing Faculty of Engineering, Built Environment & Design (FEng / FBD) by Title
Now showing items 979-998 of 1482
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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 ... -
Performance evaluation of used edible oil as diesel fuel
(University of NairobiDepartment of Mechanical and Manufacturing Engineering, 2009)In this study, used vegetable oil was collected from restaurants and processed to biodiesel through transesterification. Various properties of the biodiesel were determined and compared to those of diesel. Biodiesel was ... -
Performance evaluation of used edible oil as diesel fuel
(University of Nairobi, Kenya, 2009)In this study, used vegetable oil was collected from restaurants and processed to biodiesel through transesterification. Various properties of the biodiesel were determined and compared to those of diesel. Biodiesel was ... -
Performance investigation of solar photo-voltaic water pumping systems; a case study of Abakore borehole water supply system, Wajir County Kenya
(School of Engineering, University of Nairobi, 2018-08)The performance of a directly-coupled solar photovoltaic water pumping system was investigated under field conditions. The objectives of the study were to establish the technical performance indicators of solar photovoltaic ... -
Performance of local sands in mortar for cement quality control
(University of NairobiDepartment of Civil Engineering, 1995)Standard sand plays a most important role in the cement industry. Not only is it used to asses the quality of cement but it is also required as a standard material to study the properties of other building materials e. ... -
Performance of Park-and-ride Stations in Nairobi Metropolis: (a Case Study of Athi River and Syokimau Railway Stations)
(University of Nairobi, 2023)Park and Ride facilities have the potential to promote use of mass transit systems and help in relieving traffic congestion and air pollution, which are all associated with excessive automobile usage. However, some factors ... -
Performance of Plastic Waste and Waste Engine Oil as Partial Replacement of Bituminous Asphalt Concrete in Flexible Pavements
(University of Nairobi, 2023)Plastic waste is an emerging issue posing serious pollution problems to the environment. Waste Engine Oil has also become an environmental nuisance causing water pollution and soil degradation. In addition to the emerging ... -
Performance of slow sand filters in Kenya
(University of Nairobi, 1978) -
The performance of small scale manufacturing enterprises in West Laikipia (Ngarua division)
(University of NairobiDepartment of Urban and Regional Planning, 1992)Small scale enterprises have gained importance since the first official study of ILO in 1972. The Government views the small enterprise sector as an instrument of creating more jobs both in the rural areas and urban ... -
A performance study on flexible road pavements in Kenya
(Civil Engineering, 1983)This research study set out to evaluate the pe rrorrnanoe o f some six road test sections locat.ed on in-service bitumen standard roads in and around Nairobi, Kenya. The selected road test sections were:- (L) Thika ... -
Photogrammetric densification of ground control
(1989)In many types of surveys, it is essential to have ground control points. These are points on the ground whose coordinates are known in a ground system to a certain standard of accuracy . . A situation arises when the ... -
Physical land suitability evaluation for urban developmelnt in are fringe of Nakuru municipality
(Urban and regional planning, University of Nairobi, 1997)The land around Nakuru town is coming under pressure for urban development. "Much of the urban expansion has taken place on environmentally sensitive areas. I The purpose of this study was to assess the physical land ... -
Phytochemical investigation of surface exudates of dodonaea angustifolia and senecio roseiflorus for bioactive principles
(2009)The phytochemistry of the surface exudates of Dodonaea angustifolia (from two locations Ngong forest and Voi) and Senecio roseiflorus, as well as the antiplasmodial activity against chloroquine-sensitive ...