Autor: Gupta, P. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Unsteady convection flow of a magnetomicropolar fluid past a vertical porous plate
Autorzy:: Jain, N. C.
Gupta, P.
Sharma, B.
Powiązania:: https://bibliotekanauki.pl/articles/266073.pdf
Data publikacji:: 2013
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: źródło ciepła
pole magnetyczne
materiały porowate
prędkość poślizgu
heat source/sink
magnetic field
porous medium
slip velocity
unsteady
vertical plate
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.
Źródło:: International Journal of Applied Mechanics and Engineering; 2013, 18, 1; 43-53
1734-4492
2353-9003
Pojawia się w:: International Journal of Applied Mechanics and Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Effect of periphery fixity on ballistic limit of thin aluminum plate subjected to blunt and ogival projectile impact
Autorzy:: Tiwari, G.
Iqbal, M. A.
Gupta, P. K.
Powiązania:: https://bibliotekanauki.pl/articles/955195.pdf
Data publikacji:: 2014
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: symulacja numeryczna
metoda elementów skończonych
aluminium
periphery fixity
blunt nosed projectile
ABAQUS
Opis:: Three-dimensional numerical simulations were carried out with the ABAQUS/explicit finite element code to study the influence of target boundary conditions on its ballistic limit. 1mm thick 1100-H12 aluminum target of 255 mm span diameter was hit by 19 mm diameter and 50.8 mm length blunt nosed projectile. The mass of the projectile was kept as 52.5 gm. The boundary condition effects on the ballistic limit were investigated by varying the target periphery boundary condition as fully clamped and partially clamped target (75%, 50% and 25%) subjected to projectile impact. The energy absorption and ballistic limit of the target was found to be significantly affected by the boundary conditions. Some of the finite element analysis results were compared with experimental and numerical results reported in international literature and a good agreement between the two was found.
Źródło:: International Journal of Applied Mechanics and Engineering; 2014, 19, 2; 379-395
1734-4492
2353-9003
Pojawia się w:: International Journal of Applied Mechanics and Engineering
Dostawca treści:: Biblioteka Nauki

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