Faculty of Engineering, Built Environment & Design (FEng / FBD): Recent submissions
Now showing items 1161-1180 of 1463
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Modelling Hydraulic Conductivity
(2001)A simple analytic model is proposed which predicts the unsaturated hydraulic conductivity curves by using the moisture content-capillary head curve and the measured value of the hydraulic conductivity at saturation. It is ... -
Evaluation of Infiltration using the Green-Ampt model for catchments in Kenya,
(2001)This article briefly reviews the hydrologic components of prominent models used in agricultural and mixed land use watersheds and presents the current state‐of‐the‐art in agricultural watershed modeling. The models included ... -
Dryland Farming Technologies
(2004)Arid and semiarid regions comprise almost 40% of the world’s land area and are inhabited by some 700 million people. Approximately 60% of these drylands are in developing countries. Low rainfall areas constitute from 75–100% ... -
Soil Erosion Engineering.
(2007)This article presents a broad review of the physical process of soil erosion, but with the main focus on the approaches, forms of equations, and techniques commonly adopted to quantify the rate of soil detachment in an ... -
Modelling snowmelt in Thiba catchment in central Kenya
(2001)We established, calibrated, and validated a distributed hydrological model for the Thiba catchment in central Kenya. In the 1990s the catchment experienced a sharp increase in the use of water for agriculture. This study ... -
Modelling of irrigation Water Movement in a Distributed Runoff Model,
(2002)The paper forms the first part of an introduction to the SHE, a physically-based, distributed, catchment modelling system produced jointly by the Danish Hydraulic Institute, the British Institute of Hydrology and SOGREAH ... -
Development of a distributed runoff model for a catchment with irrigation systems in Kenya
(2002)A lack of technical knowledge has been identified as one of the primary factors preventing widespread adoption of rainwater harvesting amongst resource-poor farmers in semi-arid Tanzania. Experiments can fill this gap and ... -
Changes and Improvement in Water Management Practices in the Mwea Irrigation Scheme
(2003)n experiment to assess the impact of intermittent irrigation on Anopheles larval populations, rice yields and water use was conducted in the Mwea rice irrigation scheme in Kenya. Four water regimes including intermittent ... -
High Resolution Hip-joint Socket Imaging using Pulsed Laser Radar
(2000)In this paper, we present a 3D imaging technique for computer-assisted hip-joint replacement surgery. It is based on a high resolution laser radar which uses powerful picoseconds laser pulses, generated from low-cost ... -
A Non-invasive Registration Technique in Hip-joint Replacement Surgery Using Laser Radar Imaging
(2004)In this paper, we present a 3D imaging technique for computer-assisted hip-joint replacement surgery. It is based on a high resolution laser radar which uses powerful picosecond laser pulses, generated from low-cost ... -
Non-invasive Intraoperative Imaging using Laser Radar System in Hip-joint Replacement Surgery
(2004)This paper explores the possibility of employing a non-invasive registration technique using a high resolution pulsed laser radar system as an intraopera tive imaging system in computer assisted hip-joint replacement ... -
Clinical Trial of Intraoperative Laser Radar Imaging in Hip-joint Replacement Surgery
(2004)This paper explores the possibility of employing a non-invasive registration technique using a high resolution pulsed laser radar system as an intraopera tive imaging system in computer assisted hip-joint replacement ... -
Reduction of Peak-to-Average Power Ratio in OFDM Radio Systems
(2012)The authors propose a very effective and flexible peak power reduction scheme for orthogonal frequency division multiplexing (OFDM) with almost vanishing redundancy. This new method works with arbitrary numbers of subcarriers ... -
Resistance to airflow through shelled corn
(1969)Bulk seed in store is often aerated for preservation purposes. The design of the associated fan and duct system is dependent upon estimation of the pressure difference across the bulk for a given airflow and duct and store ... -
Farm equipment Deveiopment for Small Holders in Semiarid Areas of Southeastern and Central Africa
(1985)Before the arrival of European agricultural technology, technologies addressing the need for more efficient capture and utilisation of resources were being developed in Africa. Land invasions and displacements, the ... -
Methodological Guidelines for Agricultural mechanisation strategy formulation
(1994)The economies of most countries in Eastern and Southern Africa are going through a dynamic transformation from centralized to market oriented economies. The current emphasis on private sector development accompanied by ... -
National Agricultural Mechanisation Strategy Formulation for Kenya
(1994)There is an increasing concern among policy-makers in many countries about national 'competitiveness' and the technological dynamism required to be competitive. In developing countries, industrial and technological performance ... -
Conservation tillage Equipment productivity quantified
(2004)Every production practice, including conservation tillage, has positive or negative environmental consequences that may involve air, land, water, and/or the health and ecological status of wildlife. The negative impacts ... -
Conservation Tillage and Food production in Semiarid Tropics of Africa
(2004)Before the arrival of European agricultural technology, technologies addressing the need for more efficient capture and utilisation of resources were being developed in Africa. Land invasions and displacements, the ... -
Measurement of Piezoelectric Coefficients Using Double Beam Laser Interferometry
(1991)Interferometric measurements of electric field‐induced displacements in piezoelectric thin films using single‐beam and double‐beam optical detection schemes are reported. It is shown that vibrational response measured with ...