Archive:: American Journal of Applied Mathematics:: Science Publishing Group

Volume 4, Issue 1, February 2016

Modeling and Analysis of Malt-Drug Resistance Tuberculosis in Densly Populated Areas

Dancho Desaleng, Purnachandra Rao Koya

Issue: Volume 4, Issue 1, February 2016

Pages: 1-10

Received: 18 November 2015

Accepted: 4 December 2015

Published: 4 January 2016

DOI: 10.11648/j.ajam.20160401.11

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Abstract: Tuberculosis is an airborne disease caused by the bacterium called mycobacterium tuberculosis. We have compartmentalized the population based on the exposed level to the disease and described the flow using a flowchart. Mathematical model is developed to describe the population dynamics of the compartments. The migration of people from infected cla... Show More

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Modeling the Combined Effect of Vertical Transmission and Variable Inflow of Infective Immigrants on the Dynamics of HIV/AIDS

Tadele Tesfa Tegegne, Purnachandra Rao Koya, Temesgen Tibebu Mekonnen

Issue: Volume 4, Issue 1, February 2016

Pages: 11-19

Received: 11 December 2015

Accepted: 23 December 2015

Published: 11 January 2016

DOI: 10.11648/j.ajam.20160401.12

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Abstract: In this paper, a Non linear Mathematical model is proposed and studied the combined effect of vertical transmission (MTCT) and variable inflow of infective immigrants on the dynamics of HIV/AIDS. Vertical transmission means propagation of the disease from mother to children. ‘Variable inflow of infective immigrants’ includes both the aware and unaw... Show More

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Statistical Theory of Four-Point Distribution Functions in MHD Turbulent Flow

Md. Abul Kalam Azad, Md. Masidur Rahman, Md. Mamun Miah

Issue: Volume 4, Issue 1, February 2016

Pages: 20-46

Received: 12 December 2015

Accepted: 29 December 2015

Published: 21 January 2016

DOI: 10.11648/j.ajam.20160401.13

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Abstract: In this paper, the four-point distribution functions for simultaneous velocity, magnetic, temperature and concentration fields in MHD turbulent flow have been studied. It is tried to derive the transport equation for four-point distribution function in MHD turbulent flow. The obtained equation is compared with the first equation of BBGKY hierarchy ... Show More

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Separation of Angular Momentum

Mohammed Yousif, Emadaldeen Abdalrahim

Issue: Volume 4, Issue 1, February 2016

Pages: 47-52

Received: 7 December 2015

Accepted: 26 January 2016

Published: 16 February 2016

DOI: 10.11648/j.ajam.20160401.14

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Abstract: In this paper we speak about angular momentum, we have shown that the separation of the total angular momentum of the electromagnetic field into its orbital and spin parts. It is dictated by quantum mechanics of photons reproduces. Therefore, the results are derived from the proprieties of Fourier and Maxwell fields by Darwin, with the corresponden... Show More

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Effects of Temperature Dependent Viscosity on Magnetohydrodynamic Natural Convection Flow Past an Isothermal Sphere

Mwangi Wanjiku Lucy, Mathew Ngugi Kinyanjui, Surindar Mohan Uppal

Issue: Volume 4, Issue 1, February 2016

Pages: 53-61

Received: 8 January 2016

Accepted: 30 January 2016

Published: 25 February 2016

DOI: 10.11648/j.ajam.20160401.15

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Abstract: In this study, the effects of temperature dependent viscosity on MHD natural convection flow past an isothermal sphere are determined. The uniformly heated sphere is immersed in a viscous and incompressible fluid where viscosity of the fluid is taken as a non-linear function of temperature. The Partial Differential Equations governing the flow are ... Show More

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