Faculty of Engineering and Technology: Recent submissions

Now showing items 81-100 of 133

  • High definition television:-the TV system of the future 

    Mbewe, D.D. (University of Botswana, 1998)
    This paper describes the fundamental principles of production and accomplishment of High Definition Television (HDTV)-the television system of the future.It looks at the parameters of high definition television (HDTV),and ...

  • Automobile pollution and the environment 

    Inambao, F.L.; Mosweu, M. (University of Botswana, 1999)
    It is widely recognised that air pollution caused by the global rapid increase of automobile traffic is a threat to the environment. With regard to automobiles there are three general areas of concern: urban pollution, ...

  • Reservoir storage requirements in arid areas 

    Stephenson, D.; Kgomotso, A.K.; Matladi, T. (University of Botswana, 2006)
    Water reservoir storage requirements are a function of demand and variation in inflow. The greater the variation the greater the storage required to meet a specified draft. The selected recurrence interval of failure also ...

  • Analysis of gender differences in education for engineering career (Gaborone case study) 

    Nair, S.; Vokolkova, V.; Abadjieva, T. (University of Botswana, 2000)
    The percentage of students, especially women in engineering, is very low in Botswana and the country is still heavily dependent upon foreign human resources. The objective of this research has been to study the gender ...

  • An investigation into the possibility of establishing a building index for Botswana 

    Ssegawa, J.K.; Samman, J.; Kgatlegang, J. (University of Botswana, 2001)
    Without cost information, project planning is difficult for clients just as pricing of tenders is difficult for construction firms. No agency or organization in Botswana has endeavoured to collect, compile and analyze ...

  • Implementation of a single phasing protective circuit for three phase induction motors 

    Litchev, A.I.; Yanev, K.M. (University of Botswana, 2006)
    Analysis of the induction motor failures show, that a significant number of motors are damaged due to single phasing.At such conditions the current increases rapidly and the motor is subjected to burnouts and consequently ...

  • PSPICE model of an open-circuit DC shunt machine 

    Kiravu, C.S.A.M. (University of Botswana, 2000)
    Computer models are used to replicate the essential performance features of a physical element using convenient modeling and simulation programs. Within SPICE, an acronym for the Simulation Program with Integrated-Circuit ...

  • Oxide of nitrogen in diesel engines: formation, effects and control 

    Inambao, F.L.; Mosweu, M. (University of Botswana, 2001)
    Diesel engines are used in heavy duty applications because of their high effeciency an reliability. However, oxides of nitrogen emissions remain a major concern. In diesel engines, fuel combustion is responsible for a major ...

  • K-Maps: a visual tool for systematic design of combinational circuits using multiplexers 

    Shuma-Iwisi, M.V. (University of Botswana, 1998)
    One of the application areas of digital multiplexers is in implementation of logic equations. Truth tables can be used as a design tool, but they become very limited when design details are explored.It will be shown in ...

  • Low flush water closets in buildings and their effects in the drainage systems 

    Ganesan, C.T. (University of Botswana, 1999)
    Water scarcity in arid and semi-arid countries such as Botswana; call for judicious planning and economic use. In this connection many water saving components and appliances have been devised. One such system for example ...

  • Energy losses in a ram press machine for vegetable oil expression 

    Uziak, J.; Loukanov, I. A. (Dalhousie University, 2009)

  • Essential elements of telephone call charging systems 

    Daka, J.S.J. (University of Botswana, 1998)
    There are many instances where a telephone call charge needs to be avaialable immediately after a call is made. Usually, for a fee a telecommunication provider can provide call charge for a particular call. Call charging ...

  • Product analysis based on Botswana's postcolonial socio-cultural perspective 

    Moalosi, R.; Popovic, V.; Hickling-Hudson, A.R. (Chinese Institute of Design, http://www.ijdesign.org, 2007)
    Products designed and manufactured in any country are influenced by local factors, such as the availability of raw materials, human skills, tradition, and socio-cultural values. The tendency to use available natural resources ...

  • Tracing the African project failure syndrome: the significance of 'ubuntu". 

    Rwelamila, P. D.; Talukhaba, A .A.; Ngowi, A.B. (Emerald http://www.emeraldinsight.com, 1999)
    The lack of 'ubuntu'(African group solidarity) between project stakeholders in the Southern Africa Development Community (SADC) public building sector has been surrounded by controversy and strongly held opinions. The work ...

  • Effects of some factors in the mdulus of elasticity of deformability of lightweight concrete 

    Abadjieva, T. (University of Botswana, 1998)
    Investigations of the influence of various factors on the modulus of elasticity and deformability of different types of lightweight concrete are presented.The results show that the modulus are not constant and decrease ...

  • Coupled buckling design of steel laced columns 

    Uziak, J.; Gizejowski, M. (University of Botswana, 2009)
    A new design developed by the authors that gives an opportunity to account for the interaction of different modes of buckling is presented.Eurocode 3 model is used as the reference model, an equivalent geometric imperfection ...

  • On the oscillatory flow past an infinite vertical porous plate1 - mean flow 

    Raju, V.C.C. (University of Botswana, 1998)

  • Improving the traditional earth construction: a case study of Botswana 

    Ngowi, A.B. (Elsevier, 1997)
    The traditional developed earth as one of the most important construction materials by taking cognizance of the strength requirements, durability of resulting structures and the environmental concern in processing and using ...

  • Spreadsheets: the ideal tool for distance learning in Engineering education 

    Kanyarusoke, K.E.; Uziak, J. (Wiley Periodicals Inc. http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)1099-0542, 2009)
    Formal Engineering Education has traditionally been delivered using the low technology—high touch lecturing method, in which the lecturer and student meet face to face. Distance education in this field has been quite ...

  • Environmental impacts of fly ash 

    Sahu, B.K.; Jayaram, S. (University of Botswana, 2000)
    Alarmingly high accumulation of fly ash has led geochemical engineers into finding a solution for the use of flyash as a construction material in the recent past. As of now, although the material has been used in a limited ...