Dissertations/Theses: Recent submissions

  • Flow characteristics of unexcited and excited circular wedge shaped jets 
    Tazul Islam, Md. (Department of Mechanical Engineering, 1995-09)
    The flow characteristics of symmetric and asymmetric free air jets in the near field have been studied experimentally. Jets produced by circular parabolic nozzle with different exit and upstream flow conditions were ...
  • Analysis of data collected by LGED to determine the prospect of wind energy at Kuakata 
    Tanvir Hasan Dallas, Md. (Department of Mechanical Engineering, 2009-02)
    Energy Sector plays an important role in the development of socio-economic condition of the country. The supply of electricity by Bangladesh Power Development Board (BPDB) and Dhaka Electric Supply Authority (DESA) is ...
  • Experimental study of the flow in circular swirling jets 
    Mosharrof Hossain, Md. (Department of Mechanical Engineering, 2003-07)
    The investigation has been carried out on swirling jets having four different swirl numbers. Swirling jets are produced by flowing air through circular straight nozzles having triangular shaped internal helical thread ...
  • Enhancement of forced convection heat transfer in ribbed roughened square ducts 
    Morad Hossain Molla, Md. (Department of Mechanical Engineering, 2005-12)
    The temperature, heat transfer and fluid flow characteristics in a 50 rom x 50 mm square duct with one replaceable heated wall have been experimentally investigated. In the experiment thirteen different heated walls are ...
  • Numerical study of swirling turbulent flow through an abrupt expansion 
    Md. Abu Sayed Joarder (Department of Mechanical Engineering, 1994-04)
    This thesis deals with the numerical study of swirling turbulent flow through an abrupt expansion, which has many practical applications. The computer program used for this analysis utilizes the k-€ model. The governing ...
  • Experimental investigation of natural convection heat transfer in tiled partially open cavities 
    Zeaur Rahaman, Md. (Department of Mechanical Engineering, 2007-06)
    An experimental investigation was carried out to determine the heat transfer coefficient from a rectangular tilted cavity to the ambient due to the buoyancy driven flow in the cavity. The cavity is partially open from ...
  • Study of heat transfer in turbulent flow through tube with wire-coil inserts 
    Zaidul Islam, Md. (Department of Mechanical Engineering, 2004-07)
    An experimental investigation has been carried out to study the pressure drop and turbulent flow heat transfer to air in a tube with wire -coil -inserts. Four mild steel wire coils of different pitches (pitch, P=12mm, ...
  • Study of the properties of vegetable oil as an alternative to diesel fuel 
    Zahurul Haq, Md. (Department of Mechanical Engineering, 1995-08)
    In view of the energy crisis and emission problems, alternative fuels are promising substitute to the conventional petroleum fuels. Among them, vegetable oils seem attractive substitute to diesel fuels. They have the ...
  • Natural convection in a porous trapezoidal enclosure with magnetohydrodynamic effect 
    Tofiqul Islam, Md. (Department of Mechanical Engineering, 2007-09)
    The effects of magnetic force, acting vertically downward, on natural convection within a porous trapezoidal enclosure saturated with an electrically conducting fluid have been investigated numerically. The bottom wall ...
  • Finite difference solution of wakes for turbulent flow behind a flat plate 
    Md. Tazul Islam (Department of Mechanical Engineering, 1986-07)
    For abstract please see full text
  • Strees analysis of composite laminae having holes of various shapes using finite difference techniques 
    Tarekul Alam, Md. (Department of Mechanical Engineering, 2007-11)
    Composite materials are widely used in aerospace, automobile, sports equipment, structural equipments and many other applications due to their superiorities like high strength weight ratio over monolithic materials. In ...
  • Effects of pore geometry on face seal performance 
    Tanvir Rahman Faisal, Md. (Department of Mechanical Engineering, 2006-06)
    Surfaces covered with rmcropores have recently become a topic of interest as an effective means for better lubrication and friction reduction in thrust bearings, mechanical seals, piston rings, and other machine parts. ...
  • Study of stirling-generator using alternative fuels 
    Shahzada Chowdhury, Md. (Department of Mechanical Engineering, 2008-04)
    The technology for harnessing power and heat from biomass fuels is already available. Electricity generation from biomass fuels currently uses the same basic technology used in power plants that bum solid fossil fuels. ...
  • Study of the SI engine using natural gas for driving a small generator 
    Shaftul Alam Bhuiyan, Md. (Department of Mechanical Engineering, 1999-09)
    Considering the difficulty in meeting the ever increasing demand of energy as well as greater concern regarding the environment, searches for possible alternative energy resources are being carried out throughout the ...
  • Performance of a diesel engine using preheated vegetable oil as an alternative fuel 
    Sanuwar Uddin, Md. (Department of Mechanical Engineering, 2005-12)
    In the view of the energy crisis and emission problems, alternative fuels are promising substitute to the conventional petroleum based fuels. Among those, vegetable oils seem to be a promising substitute of diesel fuels. ...
  • Experimental study of a wind plant 
    Rezaul Karim, Md. (Department of Mechanical Engineering, 2012-03)
    A statistical analysis of Wind characteristics and investigation of feasibility of wind energy for power generation has been conducted. Wind characteristics of different location e,g Teknaf, Mongla, Sandwip, Kutubdia and ...
  • Optimization of ducting system for airconditioning 
    Raisuddin Khan, Md. (Department of Mechanical Engineering, 1988-01)
    In this study, an attempt has been made to determine the, optimum duct sizes for minimum owning and operating cost (life cycle cost) of an airconditioning ducting system. In this regard, a mathematical model has been ...
  • Numerical study on mixing and injection systems in supersonic combustor 
    Rafiqul Hoque, Md. (Department of Mechanical Engineering, 2004-01)
    A numerical study on mixing of hydrogen injected into a supersonic air stream has been performed by solving Two-Dimensional Navier-Stokes equations. An explicit Harten-Yee Non-MUSeL Modified-flux-type TVD scheme has been ...
  • Study of the effect of temperature on failure behaviour of locality manufactured PVC pipes 
    Mostafizur Rahman, Md. (Department of Mechanical Engineering, 1992-10)
    An experimental investigation of the effect of testing temperature on the internal pressure sustaining capacity of locally manufactured polyvinyl chloride (PVC) pipes is presented in this thesis. An experimental set-up ...
  • Flow characteristics around rectangular cylinders in tandem 
    Mosharrof Hossain, Md. (Department of Mechanical Engineering, 1991-06)
    An experimental investigation of mean pressure distribution around two square cylinders in tandem is presented. Also the mean veloci ty distribution in. the wake of the two cylinders were studied. Pnssure and velocity ...

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