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Browsing Dissertations/Theses - Department of Mathematics by Publication Date

Now showing items 1-20 of 202

Equivalent potential for alpha deuteron model of 6Li

Abdul Maleque, Md. (Department of Mathematics, BUET, 1992-02)

~e have presented the formalism of m+d cluster model of 'Li following resonating group method. In this procedure, non-local, non-separable Kernel appears. The appearance of this kernel broadly involves: First, the ...
Effect of free convection flow f a visco-elastic fluid past an infinite vertical flat plate in presence of a transverse magnetic field

Mustafa Kamal Chowdhury, Md. (Department of Mathematics, BUET, 1992-03)

The unsteady free oonveotion flow of a visco~elastic eleotrically conduoting fluid past an infinite non-conducting vertical flat plate 1n presence of a transverse magnetic field has been studied. The magnetio lines of ...
Study of irrotational unsteady magnetogasdynamic flow

Elias, Md. (Department of Mathematics, BUET, 1992-04)

For abstracts please see full text
Resonating group formalism and equivalent potential for alpha-alpha interaction

Obayedullah, Md. (Department of Mathematics, BUET, 1992-06)

For abstracts please see full text
Similarity analysis in three dimensional boundary layer flows

Majedur Rahman, Md. (Department of Mathematics, BUET, 1992-12)

Three di~ensional boundary layer equations over horizontal curvilinear surfaces are treated in this investigation. The main purpose of this study is to seek the similarity solution under some restricted condition on ...
Similarity solutions of combined forced and free convective laminar boundary layer flows in curvilinear co-ordinates

Abdul Maleque, Khondaker (Department of Mathematics, BUET, 1995-07)

Combined laminar forced and free convective three dimensional boundary layer flow over a vertical orthogonal curvilinear surface z=o, x > 0, y > 0, hI > 0, hZ > 0, h] = 1 is discussed in different situations. The aim ...
Approximate solution of the unsteady boundary layer equation

Abdul Quddus Mean, Md. (Department of Mathematics, BUET, 1997-12)

An investigation on the approximate solutions of the unsteady boundary layer equations have been made here by using an approximate integral method proposed by Bianchini at al. Based on this method, similarity solutions ...
Free convective laminar boundary layer flows about an Inclined vertical curved surface

Abdul Hakim Khan, Md. (Department of Mathematics, BUET, 1998-05)

Possible similarity solutions for free convective laminar three dimensional boundary layer flows over an inclined vertical curvillinear surface, h](;,11) > 0, 112(;,1"1>)0, h3(;,T\) = 1, are discussed in different ...
Mixed convection about the vertical developable flow surfaces with transpiration and seat flux effects

Quiser Azam (Department of Mathematics, BUET, 1998-09)

A similarit,y solution is sought for a laminar boundary layer flow about a vertically heated developable surface. This surface defined as the envelope of a one parameter family of planes, a surface that can be developed ...
Free convection flow of visco-elastic fluid past an infinitive vertical porous plate

Nazrul Islam, Md. (Department of Mathematics, BUET, 1998-12)

This work provides a comprehensive theoretical analysis of a two-dimensional unsteady free convection flow of an incompressible, visco-elastic fluid past an infinite vertical porous plate. Solutions for the zero~.order ...
Stress work effects in laminar natural convection flow about a vertical rectangular inclined plane surface

Mahmud Alam, Md. (1999-02)

Both viscous and pressure slress work effects are taken into accmmts in llireedimensional laminar natural convection flow about a vertical rectangular inclined plane surface. Previous investigators dealt with those effects ...
Compressible boundary layer for a developable surface in mixed convection flow

Abul Kalam Azad, Md. (Department of Mathematics, BUET, 1999-12)

Mixed conv~ctivc laminar comprc,sible boundary layer flow about a vertical dcvdopabJe surface is ,;tmlied theoretically. Modified forms of Howarth-Drodnistyn transformations are applied to avoid usual BOllssincsq ...
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 ...
Radiation-conduction interaction of steady streamwise surface temperature variation on vertical free convection

Kutub Uddin, Md. (Department of Mathematics, BUET, 2001-04)

We examine how the steady free convective boundary-layer flow induced by a vertical healed surface is affected by the presence of sinusoidal surface temperature variations about a constant mean value with the effect ...
Phase shift analysis for nuclear scattering

Zaheda Khanam (Department of Mathematics, BUET, 2001-05)

The purpose of this work is to discuss the problems of phase shift analysIs and to construct a method for resohing these problems by U5lllg the zeros of scattering amplitude, in par\lcular, this work traces Yukawa potential ...
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 ...
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 ...
Convective flow along a horizontal circular cylinder and a vertical wavy surface with temperature dependent viscosity and thermal conductivity

Mamun Molla, Md. (Department of Mathematics, BUET, 2003-11)

In this dissertation, a steady two-dimensional natural convection flow along a horizontal circular cylinder and a vertical wavy surface with tcmpcmllirc dependent viscosity JJ(7) and thermal conductivIty k(Tj has been ...
Stability analysis of the laminar boundary layer flow

Nazma Parveen (Department of Mathematics, BUET, 2004-10)

In this thesis, stability analysis of incompressible laminar boundary layer flow is presented in detail for various test cases, For this approach, the partial differential equallon is converted into ordinary differential ...
Study of cost allocation methods and their applications

Paul, Anindita (Department of Mathematics, BUET, 2004-10)

Problems arise in joint cost allocation in many practical cases when people decide to work together. Application of a suitable cost allocation method may solve the problem and save cost of every participant, In this ...

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