American Journal of Applied Mathematics

Archive

Volume 3, Issue 5, October 2015

  • Unsteady Hydromagnetic Couette Flow with Magnetic Field Lines Fixed Relative to the Moving Upper Plate

    Edward Richard Onyango, Mathew Ngugi Kinyanjui, Surindar Mohan Uppal

    Issue: Volume 3, Issue 5, October 2015
    Pages: 206-214
    Received: 11 August 2015
    Accepted: 22 August 2015
    Published: 3 September 2015
    DOI: 10.11648/j.ajam.20150305.11
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    Abstract: This study concerns a magnetohydrodynamic flow between two parallel porous plates with injection and suction in the presence of a uniform transverse magnetic field with the magnetic field lines fixed relative to the moving plate with a constant pressure gradient. The study is aimed to determine the velocity profiles, the effects of permeability, pr... Show More
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  • Mass Transfer Flow Through an Inclined Plate with Porous Medium

    Manjiul Islam, Farjana Akter, Ariful Islam

    Issue: Volume 3, Issue 5, October 2015
    Pages: 215-220
    Received: 7 August 2015
    Accepted: 13 August 2015
    Published: 5 September 2015
    DOI: 10.11648/j.ajam.20150305.12
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    Abstract: The numerical studies are performed to examine the mass transfer flow through porous medium with an inclined plate. The governing partial differential equations are transformed to a system of dimensionless coupled partial differential equation. Finite difference technique is used as a tool for the numerical approach. The corresponding momentum, con... Show More
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  • Friction Coefficient’s Numerical Determination for Hot Flat Steel Rolling at Low Strain Rate

    Peter Aiyedun, O. Ogunlade, A. O. Oni, Olayide Adetunji

    Issue: Volume 3, Issue 5, October 2015
    Pages: 221-228
    Received: 14 July 2015
    Accepted: 20 August 2015
    Published: 7 September 2015
    DOI: 10.11648/j.ajam.20150305.13
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    Abstract: In this paper, a non-linear quadratic expression of the coefficient of friction at both entry and exit sides have been derived from the equations of rolling load in Hot Rolling Bland and Ford’s program (HRBF). The study developed a numerical model for the estimation of coefficient of friction for steel (HC SS316) of different thicknesses on two hig... Show More
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  • Investigation of Order among Some Known T-norms

    Shohel Babu, Fatema Tuj Johora, Abdul Alim

    Issue: Volume 3, Issue 5, October 2015
    Pages: 229-232
    Received: 26 August 2015
    Accepted: 11 September 2015
    Published: 26 September 2015
    DOI: 10.11648/j.ajam.20150305.14
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    Abstract: In this paper, order among some known T-norms is investigated. Firstly, the T-norm which is the strongest or greatest and the T-norm which is the weakest is observed. Comparing two T-norms we establish the relation which is strong or weak. In addition, for parametric T-norms after changing the interval of their parameter a relation has established ... Show More
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  • A Mathematical Model to Study the Human Brain Information Processing Dynamics

    Shikaa Samuel, Taparki Richard, Ajai John Tyavbee, Aboiyar Terhemen

    Issue: Volume 3, Issue 5, October 2015
    Pages: 233-242
    Received: 24 August 2015
    Accepted: 15 September 2015
    Published: 29 September 2015
    DOI: 10.11648/j.ajam.20150305.15
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    Abstract: This research work studies the human brain information processing dynamics by transforming the stage model formulated by Atkinson and Shiffrin into two deterministic mathematical models. This makes it more amenable to mathematical analysis. The two models are bottom-up processing mathematical model and top-down processing mathematical model. The bo... Show More
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