Autor: Sharma, B. - Prolib Integro

Skocz do pozycji: 1.

Tytuł:: Double integrals involving Legendre functions
Autorzy:: Sharma, B. L.
Wydawca:: Polska Akademia Nauk. Instytut Matematyczny PAN
Powiązania:: https://bibliotekanauki.pl/articles/715068.pdf Link otwiera się w nowym oknie
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Higher order eﬃciency and duality for multiobjective variational problem
Autorzy:: Kumar, P.
Sharma, B.
Tematy:: higher order duality
variational problem
eﬃciency of higher order; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Badań Systemowych PAN
Powiązania:: https://bibliotekanauki.pl/articles/206150.pdf Link otwiera się w nowym oknie
Opis:: In this paper, multiobjective variational programming problem is considered. Mond-Weir type higher order duality results are established by using the eﬃciency of higher order as the optimization tool. In order to prove these results, we propose the notion of generalized higher order (F,ρ,θ,m,h)−invexity.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: (F, ρ)-invexity of higher order for multiobjective fractional variational problem
Autorzy:: Kumar, P.
Sharma, B.
Tematy:: multiobjective
fractional
variational problem
efficiency of higher order
invexity
optimality
higher order duality; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Badań Systemowych PAN
Powiązania:: https://bibliotekanauki.pl/articles/206168.pdf Link otwiera się w nowym oknie
Opis:: Multiobjective fractional variational problem is considered and suﬃcient optimality conditions, characterizing eﬃciency of higher order, are obtained under the assumptions of (F,ρ)−invexity of higher order on the functionals involved. Parametric higher order dual of the above stated problem is proposed. Duality theorems are proved to relate eﬃcient solutions of higher order for primal and its dual problem using generalized class of functionals.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Effect of variable viscosity on MHD inclined arterial blood flow with chemical reaction
Autorzy:: Tripathi, B.
Sharma, B. K.
Tematy:: magnetohydrodynamika
lepkość
reakcja chemiczna
magnetohydrodynamical fluid
homotopy perturbation method
variable viscosity
chemical reaction; Pokaż więcej
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Powiązania:: https://bibliotekanauki.pl/articles/264659.pdf Link otwiera się w nowym oknie
Opis:: In this paper, we present the mathematical study of heat and mass transfer effects on an arterial blood flow under the influence of an applied magnetic field with chemical reaction. A case of mild stenosis is considered in a non-tapered artery which is inclined at an angle γ from the axis. The variable viscosity of the blood is considered varying with the hematocrit ratio. Governing non-linear differential equations have been solved by using an analytical scheme, homotopy perturbation method to obtain the solution for the velocity, temperature and concentration profiles of the blood flow. For having an adequate insight to blood flow behavior through a stenosed artery, graphs have been plotted for wall shear stress, velocity, temperature and concentration profiles with varying values of the applied magnetic field, chemical reaction parameter and porosity parameter. The results show that in an inclined artery, the magnitude of the wall shear stress at stenosis throat increases as values of the applied magnetic field increase while it reduces as the values of both the chemical reaction and porosity parameters increase. Contour plots have been plotted to show the variations of the velocity profile of blood flow as the values of the height of the stenosis as well as the influence of the applied magnetic field increase.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Protective role of black tea and vitamin C during sub-acute toxicity of carbofuran in rats
Autorzy:: Kumar, D.
Sharma, B.
Rizvi, SI.
Tematy:: Carbofuran
erythrocytes
black tea
vitamin C
oxidative stress; Pokaż więcej
Wydawca:: Uniwersytet Medyczny w Białymstoku
Powiązania:: https://bibliotekanauki.pl/articles/1917823.pdf Link otwiera się w nowym oknie
Opis:: Purpose: Carbofuran toxicity on rats was studied during sub-acute exposure. This work was undertaken to evaluate the protective effect of aqueous black tea extract and vitamin C against a rat model of oxidative stress induced by treatment with carbofuran, an organocarbamate insecticide. Materials and methods: The levels of lipid peroxidation, reduced glutathione and ascorbic acid were assessed by determining the extent of oxidative stress in the erythrocytes of rats. Results: The results clearly demonstrated that the treatment of rats with sub-acute concentration of carbofuran caused significant elevation in the levels of oxidative stress and decrease in the contents of glutathione and ascorbic acid. The introduction of black tea extract and vitamin C augmented the antioxidant defense mechanism in alleviating the carbofuran induced oxidative stress. Conclusion: The findings that the pretreatment with black tea and vitamin C can mitigate carbofuran induced toxicity lend evidence that supplementation with either black tea extract and/or vitamin C have a therapeutic potential in amelioration of oxidative stress in mammalian systems
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: New generating functions for the G-function
Autorzy:: Sharma, B. L.
Abiodun, R. F. A.
Wydawca:: Polska Akademia Nauk. Instytut Matematyczny PAN
Powiązania:: https://bibliotekanauki.pl/articles/716804.pdf Link otwiera się w nowym oknie
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Role of slip velocity in a magneto-micropolar fluid flow from a radiative surface with variable permeability: a numerical study
Autorzy:: Sharma, B. K.
Tailor, V.
Goyal, M.
Tematy:: slip velocity
chemical reaction
micropolar fluid
MHD
heat and mass transfer
FDM
poślizg
reakcja chemiczna
płyn mikropolarny
magnetohydrodynamika
przenoszenie ciepła; Pokaż więcej
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Powiązania:: https://bibliotekanauki.pl/articles/265273.pdf Link otwiera się w nowym oknie
Opis:: An analysis is presented to describe the hydromagnetic mixed convection flow of an electrically conducting micropolar fluid past a vertical plate through a porous medium with radiation and slip flow regime. A uniform magnetic field has been considered in the study which absorbs the micropolar fluid with a varying suction velocity and acts perpendicular to the porous surface of the above plate. The governing non-linear partial differential equations have been transformed into linear partial differential equations, which are solved numerically by applying the explicit finite difference method. The numerical results are presented graphically in the form of velocity, micro-rotation, concentration and temperature profiles, the skin-friction coefficient, the couple stress coefficient, the rate of heat and mass transfers at the wall for different material parameters.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Unsteady convection flow of a magnetomicropolar fluid past a vertical porous plate
Autorzy:: Jain, N. C.
Gupta, P.
Sharma, B.
Tematy:: źródło ciepła
pole magnetyczne
materiały porowate
prędkość poślizgu
heat source/sink
magnetic field
porous medium
slip velocity
unsteady
vertical plate; Pokaż więcej
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Powiązania:: https://bibliotekanauki.pl/articles/266073.pdf Link otwiera się w nowym oknie
Opis:: The paper deals with an unsteady two dimensional laminar slip flow of a viscous incompressible magnetomicropolar fluid past a semi infinite porous plate embedded in a porous medium. The flow is under the influence of a transverse magnetic field and heat source/sink. The free stream velocity follows an exponentially increasing or decreasing small perturbation law. The porous surface absorbs the fluid with time varying suction velocity. Expressions are obtained for velocity and temperature fields, mean angular velocity, skin friction and the Nusselt number.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Radiation effect on MHD blood flow through a tapered porous stenosed artery with thermal and mass diffusion
Autorzy:: Sharma, M.
Gaur, R. K.
Sharma, B. K.
Tematy:: przepływ krwi
reakcja chemiczna
magnetohydrodynamika
Soret and Dufour effects
MHD
blood flow
stenosis
chemical reaction; Pokaż więcej
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Powiązania:: https://bibliotekanauki.pl/articles/266195.pdf Link otwiera się w nowym oknie
Opis:: A mathematical model for MHD blood flow through a stenosed artery with Soret and Dufour effects in the presence of thermal radiation has been studied. A uniform magnetic field is applied perpendicular to the porous surface. The governing non-linear partial differential equations have been transformed into linear partial differential equations, which are solved numerically by applying the explicit finite difference method. The numerical results are presented graphically in the form of velocity, temperature and concentration profiles. The effects of various parameters such as the Reynolds number, Hartmann number, radiation parameter, Schmidt number and Prandtl number, Soret and Dufour parameter on the velocity, temperature and concentration have been examined with the help of graphs. The present results have an important bearing on the therapeutic procedure of hyperthermia, particularly in understanding/regulating blood flow and heat transfer in capillaries.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Mathematical modeling of magneto pulsatile blood flow through a porous medium with a heat source
Autorzy:: Sharma, B. K.
Sharma, M.
Gaur, R. K.
Mishra, A.
Tematy:: heat source
blood flow
porous medium
MHD
źródło ciepła
przepływ krwi
materiały porowate
magnetohydrodynamika; Pokaż więcej
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Powiązania:: https://bibliotekanauki.pl/articles/266184.pdf Link otwiera się w nowym oknie
Opis:: In the present study a mathematical model for the hydro-magnetic non-Newtonian blood flow in the non-Darcy porous medium with a heat source and Joule effect is proposed. A uniform magnetic field acta perpendicular to the porous surface. The governing non-linear partial differential equations have been solved numerically by applying the explicit finite difference Method (FDM). The effects of various parameters such as the Reynolds number, hydro-magnetic parameter, Forchheimer parameter, Darcian parameter, Prandtl number, Eckert number, heat source parameter, Schmidt number on the velocity, temperature and concentration have been examined with the help of graphs. The present study finds its applications in surgical operations, industrial material processing and various heat transfer operations.
Dostawca treści:: Biblioteka Nauki

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