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Wyszukujesz frazę "Garg, P." wg kryterium: Autor

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    Wyświetlanie 1-6 z 6
    Tytuł:
    Similarity solution for combined free-forced convection past a vertical porous plate in a porous medium with a convective surface boundary condition
    Autorzy:
    Garg, P.
    Purohit, G. N.
    Chaudhary, R. C.
    Powiązania:
    https://bibliotekanauki.pl/articles/265568.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    płyta porowata
    tarcie
    ośrodek porowaty
    konwekcja
    combined convection
    fixed vertical porous plate
    skin-friction coefficient
    Nusselt number
    convective surface boundary condition
    porous medium
    Opis:
    This paper studies the mathematical implications of the two dimensional viscous steady laminar combined free-forced convective flow of an incompressible fluid over a semi infinite fixed vertical porous plate embedded in a porous medium. It is assumed that the left surface of the plate is heated by convection from a hot fluid which is at a temperature higher than the temperature of the fluid on the right surface of the vertical plate. To achieve numerical consistency for the problem under consideration, the governing non linear partial differential equations are first transformed into a system of ordinary differential equations using a similarity variable and then solved numerically under conditions admitting similarity solutions. The effects of the physical parameters of both the incompressible fluid and the vertical plate on the dimensionless velocity and temperature profiles are studied and analysed and the results are depicted both graphically and in a tabular form. Finally, algebraic expressions and the numerical values are obtained for the local skin-friction coefficient and the local Nusselt number.
    Źródło:
    International Journal of Applied Mechanics and Engineering; 2016, 21, 4; 827-836
    1734-4492
    2353-9003
    Pojawia się w:
    International Journal of Applied Mechanics and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Oscillatory MHD convective flow of second order fluid through porous medium in a vertical rotating channel in slip-flow regime with heat radiation
    Autorzy:
    Garg, B. P.
    Singh, K. D.
    Bansal, A. K.
    Powiązania:
    https://bibliotekanauki.pl/articles/264392.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    slip flow
    convective
    porous medium
    rotating
    oscillatory
    radiation
    second order fluid
    porowatość
    promieniowanie
    magnetohydrodynamika
    Opis:
    An analysis of an oscillatory magnetohydrodynamic (MHD) convective flow of a second order (viscoelastic), incompressible, and electrically conducting fluid through a porous medium bounded by two infinite vertical parallel porous plates is presented. The two porous plates with slip-flow condition and the no-slip condition are subjected respectively to a constant injection and suction velocity. The pressure gradient in the channel varies periodically with time. A magnetic field of uniform strength is applied in the direction perpendicular to the planes of the plates. The induced magnetic field is neglected due to the assumption of a small magnetic Reynolds number. The temperature of the plate with no-slip condition is non-uniform and oscillates periodically with time and the temperature difference of the two plates is assumed high enough to induce heat radiation. The entire system rotates in unison about the axis perpendicular to the planes of the plates. Adopting complex variable notations, a closed form solution of the problem is obtained. The analytical results are evaluated numerically and then presented graphically to discuss in detail the effects of different parameters of the problem. The velocity, temperature and the skin-friction in terms of its amplitude and phase angle have been shown graphically to observe the effects of the viscoelastic parameter γ, rotation parameter Ω, suction parameter […], Grashof number Gr, Hartmann number M, the pressure A, Prandtl number Pr, radiation parameter N and the frequency of oscillation […].
    Źródło:
    International Journal of Applied Mechanics and Engineering; 2015, 20, 1; 33-52
    1734-4492
    2353-9003
    Pojawia się w:
    International Journal of Applied Mechanics and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of intermetallic phases on corrosion behavior and mechanical properties of duplex stainless steel and super-duplex stainless steel
    Autorzy:
    Paulraj, P
    Garg, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/102625.pdf
    Data publikacji:
    2015
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    stainless steel
    intermetallic phases
    corrosion
    mechanical properties
    welding
    Opis:
    Duplex Stainless Steels (DSS) and Super Duplex Stainless Steel (SDSS) have excellent integration of mechanical and corrosion properties. However, the formation of intermetallic phases is a major problem in their usage. The mechanical and corrosion properties are deteriorated due to the presence of intermetallic phases. These phases are induced during welding, prolonged exposure to high temperatures, and improper heat treatments. The main emphasis of this review article is on intermetallic phases and their effects on corrosion and mechanical properties. First the effect of various alloying elements on DSS and SDSS has been discussed followed by formation of various intermetallic phases. The intermetallic phases affect impact toughness and corrosion resistance significantly. Their deleterious effect on weldments has also been reviewed.
    Źródło:
    Advances in Science and Technology. Research Journal; 2015, 9, 27; 87-105
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Unusual clinical presentation of spinal echinococcal cyst imitating a malignant tumour
    Autorzy:
    Garg, R.
    Shrivastav, S.
    Dey, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/5625.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Opis:
    Spinal echinococcal cyst is very uncommon and may have variable clinical presentations. We describe an exceptional case of intradural and extramedullary spinal echinococcal cyst, misguided as a spinal tumour on radiologicalexamination and was diagnosed as echinococcal cyst on fine needle aspiration biopsy smears and subsequently on histopathological examination.
    Źródło:
    Annals of Parasitology; 2016, 62, 1
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Potential Parameters and Energy Dependence of Rotational Energy Transfer in Molecular Systems
    Autorzy:
    Agrawal, P. M.
    Garg, V.
    Patidar, K. R.
    Powiązania:
    https://bibliotekanauki.pl/articles/1929537.pdf
    Data publikacji:
    1993-08
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    35.20.-i
    Opis:
    The cross-sections for rotational transitions in a diatomic molecule due to collision with an atom were computed. An empirical relation is obtained that gives the dependence of cross-sections on the energy of the colliding system and the parameters of the interaction potential energy surface. The results are interpreted to investigate the mechanism of the rotational energy transfer process. The cross-sections are found to depend linearly on the torque, range of the potential, and the collision time. Depending on the variation in the location of classical turning point with change in energy, the cross-sections may increase or decrease with energy or cross-section versus energy curve may exhibit maxima or minima.
    Źródło:
    Acta Physica Polonica A; 1993, 84, 2; 247-252
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Simplified analyses of stress induced anisotropy in remolded soft clay under undrained conditions
    Autorzy:
    Lin, P.
    Li, Z.-x.
    Garg, A.
    Yadav, J. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/1818489.pdf
    Data publikacji:
    2020
    Wydawca:
    Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
    Tematy:
    stress induced anisotropy
    Shantou soft clay
    true triaxial experiment
    anizotropia wywołana naprężeniem
    miękka glinka Shantou
    prawdziwy eksperyment trójosiowy
    Opis:
    Purpose: The soil’s anisotropy induced by stress (i.e. stress induced anisotropy) has an important effect on the behavior of soil. This paper focuses on analyzing the anisotropy of remolded Shantou soft clay under compression stress path. Design/methodology/approach: Experiments were executed by using three axle experimental instruments. The data obtained from the plain strain tests were analyzed and the relationship between stress and strain was calculated by using the modified Duncan- Chang and Lade-Duncan models. The models were modified under the condition of plain strain and cohesion. Findings: It was concluded that in complex stress path conditions, the conventional triaxial tests may not fully reflect the actual stress of soil and its response in the Duncan-Chang and Lade-Duncan models. Research limitations/implications: The formulation of Mohr-Coulomb failure criterion in the plasticity framework is quite diffcult. As a result, dilatancy cannot be described. The properties of soil in unload or drained conditions remain to be part of further investigated. Practical implications: Based upon the two stiffness parameters, the modified Duncan- Chang model has captured the soil behaviour in a very conformable way and is recommened for practical modeling. These constitutive models of soil are widely used in the numerical analyses of soil structure such as embankments. Originality/value: Duncan-Chang and Lade-Duncan models widely used in engineering practices are modes based on conventional triaxial cases. Both models have have some inherent limitations to represent the stress-strain characteristics of soils, such as shear-induced dilatancy and stress path dependency and required corrections. In this investigation, the tests are carried out in undrained conditions. It is related to the properties of soil in load conditions.
    Źródło:
    Archives of Materials Science and Engineering; 2020, 105, 2; 56--64
    1897-2764
    Pojawia się w:
    Archives of Materials Science and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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