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Wyszukujesz frazę "Gaur, M." wg kryterium: Autor


Wyświetlanie 1-4 z 4
Tytuł:
Spontaneous Current Study in Wheat Starch Nano Powder
Autorzy:
Gaur, M.
Gaur, K.
Powiązania:
https://bibliotekanauki.pl/articles/1537753.pdf
Data publikacji:
2010-06
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
77.22.Ej
77.22.Cm
77.22.Jp
Opis:
Spontaneous current study has been carried out in 70 nm particle size of wheat starch nano powder. The starch nano powder was prepared by mechanical grinding method. The spontaneous current was found to be induced and flowing in external circuit under short circuit condition by heating a sandwitched system. Sandwitched system consist of a starch nano powder (i.e. powder in different weight ratio of distilled water) between similar (Al-Al) and dissimilar (Al-Zn, Al-Cu, Al-Ag) electrode combination. The Spontaneous current spectra show two peaks lies in 46 ± 4°C and 72 ± 4°C, respectively, in the first heating run. However, only single peak was observed in second heating run. In the dissimilar electrode combination the first peak shifts to lower temperature side, while second peak shifts to higher temperature side. Spontaneous current mechanism could be explained on the basis transitional changes of starch nano powder caused by influence of water. The temperature dependent open circuit voltage $V_{oc}$ was recorded. A linear relationship was observed between dissimilar electrodes system due to difference in electrode work functions. It has been observed that spontaneous current is influenced by water and depends on the choice of electrode material.
Źródło:
Acta Physica Polonica A; 2010, 117, 6; 945-948
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
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.
Powiązania:
https://bibliotekanauki.pl/articles/266195.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
przepływ krwi
reakcja chemiczna
magnetohydrodynamika
Soret and Dufour effects
MHD
blood flow
stenosis
chemical reaction
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.
Źródło:
International Journal of Applied Mechanics and Engineering; 2019, 24, 2; 411-423
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
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.
Powiązania:
https://bibliotekanauki.pl/articles/266184.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
heat source
blood flow
porous medium
MHD
źródło ciepła
przepływ krwi
materiały porowate
magnetohydrodynamika
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.
Źródło:
International Journal of Applied Mechanics and Engineering; 2015, 20, 2; 385-396
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
C-compactness Via Grills
Autorzy:
Gupta, M. K.
Gaur, Monika
Powiązania:
https://bibliotekanauki.pl/articles/1159576.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
C-compact
G-compact
Grill
Quasi-H-closed
Opis:
In the present paper, we study C-compactness with respect to a grill, which simultaneously generalizes C-compactness and G-compactness and term it as C(G)-compact space. Several of its properties are investigated and effects of various kinds of functions on them are studied.
Źródło:
World Scientific News; 2018, 113; 130-137
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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