Dissertations/Theses - Department of Mathematics: Recent submissions

Now showing items 141-160 of 202

Combined effect of radiation and conduction on MHD natural convection flow along a vertical flat plate

Rowsanara Akhter (Department of Mathematics, BUET, 2009-12)

An analysis is performed to study the combined effect of radiation and conduction on magneto hydrodynamic (I\.1HD) nalural convection fiow of an incompressible and electrically conducting fluid along a vertical flat ...
Numerical simulation of cavitating flow over a hydrofoil using finite volume method

Nur - E - Mostafa, Md. (Department of Mathematics, BUET, 2009-09)

Two-dImensional finite volume method (FVM) based OilRe)llo1ds a\'erageu l'ia\'lcr-Stokcs equa\lons (RANS) has been used to simulate incompressible flow ~round llydroloil in hoth non-cavitating and cavitating conditions. ...
Effects of temperature dependent thermal conductivity on the coupling of conduction and joule heating with magnetohydrodynamic free convection flow along a vertical flat plate

Rehena Nasrin (Department of Mathematics, BUET, 2009-08)

In this dissertation, the effects of temperature dq)cndent lhenna1 conductivity on the coupling of conduction and Joule heating with viscous di>sipation and Magnctohydrodynamic free convection flow along a vertical flat ...
Performance evaluation of a two - stage adsorption chiller employing re - heat scheme with different mass ratios

Farid, Md. Sheikh (Department of Mathematics, BUET, 2009-06)

This thesis deals with the perfonnance investigation of a silica gel! water-base,ltwQstage ad'(}rption chiller empl(}ying re-heat scheme with different mass ratios and compared with that of the l'.vo-stage conventional ...
Effects of temperature dependent thermal conductivity on magnetohydrodynamic free convection flow along a vertical flat plate with heat conduction

Mahobubur Rahaman Sharker, A. T. M. (Department of Mathematics, BUET, 2008-08)

The ctTecls of the temperature dependent thermal condllctivity on Magnelohydrodynamic (MHO) free convection flow along a vertical flat plate with heat conduction und viscous dissipation have been investigated. The governing ...
Natural convection flow over the wavy cone with temperature dependent viscosity in case of surface heat flux

Azad Rahman (Department of Mathematics, BUET, 2008-07)

The ,,(feet of temperature dependent viscosity ,,(1), on slcady two dimensional natural convect;oll flow along a vertical wavy cone with uniform surface heat flux has been investigated in this dissertation, Three different ...
Finite element simulation of natural convection from an open rectangular cavity containing adiabatic circular cylinder

Fariza Tul Koabra (Department of Mathematics, BUET, 2008-09)

A numerical simulation of two-dimensional laminar steady-state natural convection in a rectangular open cavity has been investigated. An adiabatic circular cylinder is placed at the center of the cavity and the opposite ...
MHD free convection flow along a heated vertical wavy surface with heat generation

Mahtab Uddin Abmmed (Department of Mathematics, BUET, 2008-09)

A,steady ru'o-d imen,ion~ I I\tHD n~tural convection now of ,i,cou, ;nml1lpl'essib Ie fIwid along a unltormly healed vertical wa,]' ,urface ill presence ofintern~j heat generation and jouk heating ha, b~~n investigated ...
Similarity solutions of the boundary layer equations for the unsteady mixed convection flows over a vertical porus flat plate by the method of group theory

Jashim Uddin, Mohammed (Department of Mathematics, BUET, 2005-10)

The similarity solutions of un~leady mixed convection boundary layer equations over a fl"l porous vertical plate has been inve,tigated by the method of one parameter cODtinuou> Group Theory. By repealed apphcatioll<;of ...
Comparative study of defferent methods for solving linear fractional programming problem

Forhad Uddin, Mohammed (Department of Mathematics, BUET, 2004-12)

In this thesis, we study the established methods ofCbames & Cooper, Bin-an & Novacs and Swamp's primal & dual simplex type for solving linear fmctional programming problem, suggest a modification for Swamp's simplex type ...
Magnetohydrodynamic natural convection flow on a sphere

Abu Taher, Mohammad (Department of Mathematics, BUET, 2005-04)

A steady two-dimensional magnetohydrodynamic natural convection flow on a sphere will be investigated. Using the appropriate transformations, the basic equations are transformed to non-dimensional boundary layer equations, ...
Conjugate effect of conduction and convection with natural convection flow from a vertical flat plate and in an inclined square cavity

Zafar Iqbal Khan, Md. (Department of Mathematics, BUET, 2002-09)

In this thesis, the tbermo-fluid-dynamic field resulting from tIle coupling of natural convection along and conduction inside a healed nat plate is numerically studied by means of implicit finite difference method in ...
Numerical study of radiation on natural convection flow on a sphere with heat generation

Miraj Ali, Md. (Department of Mathematics, BUET, 2007-01)

In this thesis, the eITecL~of radiation on natura! convection now on a sphere in presence of heat generation and the effects of radiation on magnctohydmdynamie (MHO) natural convection now on a sphere in presence of heat ...
Alternative approach on minimization problem by graph theory

Rehana Sultana Bipasha (Department of Mathematics, BUET, 2006-09)

A randomized parallel linked residual network Gr =(V'£j) is presented. Algorithmically the residual network, which produces successive shortest path distances and the original graph G=(V,E) is solved. This result is optimum ...
Application of finite volume method for solving fluid structure interaction problem

Mahbubur Rahman, Md. (Department of Mathematics, BUET, 2008-04)

'Iwo-dimensional hnite VOIUI11t ,vlethoJ (I-V,\I) hu; been upplied (0 ,,,lve Fluid SlrllClllfc [nl~raclion (FSJ) probleills III thb research work. The numcl'lcal solutions of rhe governing equatio", ha\'~ been oblained ...
Steady natural convection flow on a horizontal circular disc with transpiration

Touhid Hossain, M. M. (Department of Mathematics, BUET, 2002-04)

The present study deals with the effects of transpiration (either suction or blowing) on skin friction and heat transfer coetlicicnls for the steady laminar free convection boundary-layer flow generated by heated horizontal ...
Effect of cold wall on laminar free convection across a horizontal cylinder with part adiabatic surface

Abdul Alim, Md. (Department of Mathematics, BUET, 2000-09)

The present dissCl1alion deals with the problem of laminar natural convection around a horizontal cylinder. The external surface of tlllS cylinder IS everywhere isothermal, with the exception of a region, which is ...
Study on domination and total domination of graphs

Farid Uddin Ahmed, Khandker (Department of Mathematics, BUET, 2004-10)

A set D of vertices in a graph G -=0 (V,E) is a dominating set of G if every vertex in V - D is adjacent to some vertex in D. The domination number of G is the minimum cardinality taken over all minimal dominating sets ...
Similarity solutions of unsteady natural convection boundary layer flow with suction over a vertical flat plate using group-theory method

Harekrishna Das (Department of Mathematics, BUET, 2006-09)

I he group theory is appli~d to pr€~ellt all analysis of the prohlem of unsteady iunlinar natural convection from a vertj~al porous flat plate. A~_\umillg suction for (he porous plate. analylj~al e"pressiol1, for flow ...
Effect of radiation on free convection flow on a sphere with isothermal surface and uniform surface heat flux

Tahmina Akhter (Department of Mathematics, BUET, 2007-04)

In this thesis, the efTecls of radiation on iree convection flow with isothermal ~urface and ".ith UnifOl'ill surface heat I1ll';: on a sphere have been investigated. The physical problems are represented mathematically ...

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