Faculty of Engineering and Technology: Recent submissions
Now showing items 1-20 of 133
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Study on impact strength of untreated and alkali treated napier grass fiber strands reinforced epoxy composites
(ACE Publications, https://theacepublications.com, 2013)Napier grass fiber strands were extracted using the combined mechanical and water retting process. The extracted fiber strands were treated with various proportions (5, 10 and 15% w/v) of NaOH solution to improve their ... -
Production system optimization: case study of a local textile company
(Invention Journal of Research Technology in Engineering & Management, https://archive.org/details/Httpwww.ijrtem.com/IJRTEM_A0270104/, 2017-10)The manufacturing sector in Botswana has been rapidly growing in recent times. Glam Collections used as a case study organization in this research, is an SME textile manufacturing company with its base of operations in ... -
Extraction and structural characterization of cellulose from milkweed floss
(Taylor and Francis, http://www.taylorandfrancis.com, 2017-09-28)The aim of this study was to investigate the utilization of milkweed fruit floss residues as a source for the isolation of cellulose. Cellulose was extracted by acidified sodium chlorite and sodium hydroxide treatments. ... -
The burden of HIV-related admissions and mortality at Princess Marina Hospital, Botswana in 2000: a pre-combination antiretroviral therapy era
(Scientific Research, www.scirp.org/, 2017-03-31)Background: human immune virus and acquired immunodeficiency syndrome (HIV/AIDS) have been recognized in Botswana for the last three decades, however, combination anti-retroviral therapy (cART) was only introduced after ... -
A domain based framework for effective project leadership
(The University of the West Indies, www.uwi.edu/index.asp, 2015-07)This paper argues that the project environment is unique, complex, and uncertain and therefore an understanding of project leadership should be approached from that point of view. It also argues that the prevailing project ... -
Developing a strategic perspective for construction industry in Botswana
(UTS ePRESS, http://epress.lib.uts.edu.au/, 2013)The paper documents the outcome of a study conducted to formulate the strategic perspective of the construction industry in Botswana. The study was sanctioned by the two influential entities namely the Ministry of ... -
Developing green supply chain management strategies: a taxonomic approach
(OmniaScience, http://www.omniascience.com, 2013)Purpose: The objective of this research is to explore the empirical green supply chain activities found in literature, and to develop a taxonomic framework that can be used for formulating appropriate strategies for green ... -
Assessment of potential for biodiesel feedstock of selected wild plant oils indigenous to Botswana
(Canadian Center of Science and Education (CCSE), www.ccsenet.org/eer, 2011-12)Biodiesel is attracting increasing attention worldwide as a blending component or a direct replacement of petroleum diesel fuel in transport sector.vThe challenge to scientists and engineers is to identify appropriate ... -
Biodiesel for sustainable energy provision in developing countries
(Scientific Research Publishing, http://www.scirp.org/, 2011-09)Consumption of fossil fuel resources has been growing over the years and it is the kernel of economic development. However combustion which takes place principally in automobiles, power generation and industrial plants ... -
Blending cooking oil biodiesel with petroleum diesel: a comparative performance test on a variable ic engine
(Scientific Research Publishing, http://www.scirp.org/, 2011-05)Research in biodiesel production has been motivated by several reasons including consistant increase in prices of pe-troleum diesel, environmental advantages, security of fuel supply, and employment creation. This paper ... -
Assessment of solar-coal hybrid electricity power generating systems
(David Publishing, http://www.davidpublishing.com/, 2012-01)Botswana currently depends on electricity generated from coal-based power plant or electricity supplied from the border in South Africa. The country has good reserves of coal and the solar radiation is sufficiently high ... -
Performance and emission characteristics of tylosema esculentum biodiesel in a diesel engine: an experimental investigation
(David Publishing, http://www.davidpublishing.com/, 2014-01-31)Biodiesel derived from indigenous feed stocks such as Tylosema esculentum kernel oil is deemed a feasible alternative to petroleum diesel for the diesel engine. This paper presents results of investigation of performance ... -
Marula oil and petrodiesel: a comparative performance analysis on a variable compression ignition engine
(Scientific Research Publishing, http://www.scirp.org/, 2011-07)The quest for biofuel production and use in Botswana is driven by factors including volatile oil prices, need for fuel security, potential for job creation, potential reduction in greenhouse gas emissions, and economic ... -
Chemical extraction and property analyses of marula nut oil for biodiesel production
(Scientific Research Publishing, http://www.scirp.org/, 2011-07)To identify and develop alternative and renewable sources of fuel for the transport sector is a present challenge for engineers and researchers. This work was carried out to assess yield of marula (Sclero carrya/birrea) ... -
A generic methodology for strategic auditing of a manufacturing system
(University of Botswana, http//www.ub.bw, 2011)Operating without definite strategy for competitiveness is becoming a common practice in small to medium enterprises, especially those with manufacturing functions. This has seen many potential businesses failing to survive ... -
Experimental assessment of locomotive brake blocks-case studies of Botswana Railways
(University of Botswana, www.ub.bw, 2011)The brake blocks employed on Botswana Railways locomotives have been found to fail frequently resulting in increased maintenance and operational costs. The paper presents the metallurgical and mechanical properties of two ... -
Diagnosis and assessment of structural failure of the R & D building at RIIC, Kanye, Botswana
(University of Botswana, www.ub.bw, 2011)An investigation was carried out by University of Botswana Structural Investigation Team, to establish the cause of the structural defects to the R & D Building at RIIC Campus in Kanye. The structural defects consisted of ... -
A review of mining taxation in selected SADC countries and Chile
(University of Botswana, http://www.ub.bw, 2004)Although most SADC countries have or were in the process of liberalizing their legislation and fiscal regimes some member states seemed to levy exorbitant tax rates. SADC members’ states need to note that in designing the ... -
Application of the method of D-partitioning for stability of control systems with variable parameters
(University of Botswana, www.ub.bw, 2007)By the turn of the century, Botswana will be 34 years old as an independent nation. Reflecting on the past, is a background of tremendous achievements from a socio-economic development perspective. The achievements could ... -
Design of automatic power factor control system
(University of Botswana, www.ub.bw, 2004)Maintenance of the proper power factor is a very important matter for the industry and for the economy of any country. A study of the power factor value for a number of industrial plants in Botswana shows that they operate ...