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Wyszukujesz frazę "Raju, R. S." wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Unsteady MHD heat transfer in Couette flow of water at 4°c in a rotating system with ramped temperature via finite element method
Autorzy:
Reddy, G. J.
Raju, R. S.
Rao, J. A.
Gorla, R. S. R.
Powiązania:
https://bibliotekanauki.pl/articles/265043.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
MHD
Couette flow
heat transfer
FEM
magnetohydrodynamika
przepływ Couette'a
transfer ciepła
Opis:
An unsteady magnetohydromagnetic natural convection on the Couette flow of electrically conducting water at 4°C (Pr = 11.40) in a rotating system has been considered. A Finite Element Method (FEM) was employed to find the numerical solutions of the dimensionless governing coupled boundary layer partial differential equations. The primary velocity, secondary velocity and temperature of water at 4°C as well as shear stresses and rate of heat transfer have been obtained for both ramped temperature and isothermal plates. The results are independent of the mesh (grid) size and the present numerical solutions through the Finite Element Method (FEM) are in good agreement with the existing analytical solutions by the Laplace Transform Technique (LTT). These are shown in tabular and graphical forms.
Źródło:
International Journal of Applied Mechanics and Engineering; 2017, 22, 1; 145-161
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Numerical solutions by EFGM of MHD convective fluid flow past a vertical plate immersed in a porous medium in the presence of cross diffusion effects via biot number and convective boundary condition
Autorzy:
Raju, R. S.
Reddy, B. M.
Rashidi, M. M.
Gorla, R. S. R.
Powiązania:
https://bibliotekanauki.pl/articles/265443.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
thermal diffusion
diffusion thermo
MHD
porous medium
EFGM
dyfuzja termiczna
magnetohydrodynamika
porowatość
Opis:
In this investigation, the numerical results of a mixed convective MHD chemically reacting flow past a vertical plate embedded in a porous medium are presented in the presence of cross diffusion effects and convective boundary condition. Instead of the commonly used conditions of constant surface temperature or constant heat flux, a convective boundary condition is employed which makes this study unique and the results more realistic and practically useful. The momentum, energy, and concentration equations derived as coupled second-order, ordinary differential equations are solved numerically using a highly accurate and thoroughly tested element free Galerkin method (EFGM). The effects of the Soret number, Dufour number, Grashof number for heat and mass transfer, the viscous dissipation parameter, Schmidt number, chemical reaction parameter, permeability parameter and Biot number on the dimensionless velocity, temperature and concentration profiles are presented graphically. In addition, numerical results for the local skin-friction coefficient, the local Nusselt number, and the local Sherwood number are discussed through tabular forms. The discussion focuses on the physical interpretation of the results as well as their comparison with the results of previous studies.
Źródło:
International Journal of Applied Mechanics and Engineering; 2017, 22, 3; 613-636
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Prosthetic status and prosthetic needs amongst geriatric fishermen population of Kutch coast, Gujarat, India
Autorzy:
Kumar, D.R.V.
Raju, D.S.
Naidu, L.
Deshpande, S.
Chadha, M.
Agarwal, A.
Powiązania:
https://bibliotekanauki.pl/articles/874703.pdf
Data publikacji:
2015
Wydawca:
Narodowy Instytut Zdrowia Publicznego. Państwowy Zakład Higieny
Tematy:
geriatrics
prosthetic status
prosthetic need
fisherman
dental hygiene
dental health
environmental factor
oral health
human population
Kutch coast
Gujarat state
India
Opis:
Background. Literature among fishermen of India is scanty. The external factors like diet, quality of dental hygiene and environmental factors have an effect on oral health. Moreover elderly age group offer very little importance towards their oral health. Objective. To assess the prosthetic status and prosthetic treatment needs among the geriatric fishermen population of Kutch coast, Gujarat, India. Material and Methods. A cross sectional descriptive study was conducted among 1200 elderly people (above 60 years) of Kutch coast, Gujarat, India. They were interviewed and examined using a proforma designed with the help of WHO Oral Health Survey 1997. Chi square test was used for comparisons. Confidence level and p-value were set at 95% and 5% respectively. Results. Out of 1200 elderly people, 836 were males and 364 were females. Considering the prosthetic status, majority (76.7%) had no prosthesis followed by full removable dentures (12.3%). An insight into the prosthetic needs showed that majority (27.3%) had a need for multiunit prosthesis. Conclusion. In this study, it was seen that overall prosthetic status was low and prosthetic need was high. Therefore new avenues have to be discovered to make the prosthetic treatment readily available to the elderly.
Źródło:
Roczniki Państwowego Zakładu Higieny; 2015, 66, 2
0035-7715
Pojawia się w:
Roczniki Państwowego Zakładu Higieny
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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