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1
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International Journal of Applied Mechanics and Engineering
EN The effects of centrifugal inertia forces on the pressure distribution in the curvilinear thrust bearing lubricated by a power-law ferrofluid are examined. The examples of flows in the bearings modelled by two disks and two concentric spheres are considered. The results obtained show that ferrofluid[...]
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International Journal of Applied Mechanics and Engineering
EN The effects of centrifugal inertia forces on the pressure distribution in the curvilinear thrust bearing lubricated by a ferromagnetic viscoplastic lubricant of a Bingham type are examined. The examples of flows in the bearing modelled by and two concentric spheres are considered. The results obtain[...]
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International Journal of Applied Mechanics and Engineering
EN The steady laminar flow of a generalized second grade fluid of a power-law type through a narrow space between two fixed surfaces of revolution, having a common axis of symmetry, is considered. To solve this problem the boundary layer equations are used and expressed for axially symmetric case in a [...]
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Applied Mechanics and Engineering
EN The influence of inertia effect on the pressure distribution in a curvilinear thrust bearing with a viscoplastic squeeze film is considered. To solve this problem the boundary layer equations are used. The method of integral approaches is applied and the formulae expressing the pressure distribution[...]
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Chemical and Process Engineering
EN In many practical situations fluids are normally blended with additives (viscosity index improvers, viscosity thickeners, viscosity thinners) due to which they show pseudoplastic and dilatant nature which can be modelled as cubic stress model (Rabinowitsch model). The cubic stress model for pseudopl[...]
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Inżynieria i Aparatura Chemiczna
2006 Nr 6s 99-101
EN Inertia effects in the flow of suspension modelled as a power-law fluid in a curvilinear squeeze film channel with the porous pad were considered. The analysis was based on the assumption that the porous pad consisted of a system of capillaries of very small radii, which allowed the use of the Darcy[...]
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International Journal of Applied Mechanics and Engineering
EN The flow of a synovial fluid in a squeeze film biological bearing is considered. The biobearing is modelled by two rotational surfaces and the porous layer is adheres to the curved non-porous surface. The flow in the biobearing clearance is considered with inertia and the Navier-Stokes and Poisson e[...]
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International Journal of Applied Mechanics and Engineering
EN In this paper the authors present a solution to the problem of an inertia effect of ferromagnetic lubricant flow in a multilobe conical bearing. The problem was solved by Galerkin's method after assuming that the bearing is lubricated with an incompressible Newtonian lubricant. The general form of s[...]
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International Journal of Applied Mechanics and Engineering
2003 Vol. 8, no 1 107-116
EN The flow of a power-law lubricant in a squeeze film bearing with one porous wall is considered. The bearing is modelled by two curvilinear surfaces and the porous wall is adhered to the curved non-porous surface. The flow in the bearing clearance is considered with inertia and the Navier-Stokes and [...]
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International Journal of Applied Mechanics and Engineering
EN The flow of a couple stress fluid in the clearance of a curvilinear thrust bearing with a porous pad is considered. The porous pad is connected with an upper impermeable rotating surface which approaches the lower fixed bearing surface. The Reynolds and Poisson equations are uncoupled by using the M[...]
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Applied Mechanics and Engineering
1999 Vol. 4, no 2 363-373
EN Couple-stresses affect lubrication problem when additives are used or lubricant contains long-chain molecules. Such couple-stresses may have a considerable effect on the behaviour of bearings in practice. The influence of couple-stress and lubricant inertia on mechanical parameters of the curvilinea[...]
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Applied Mechanics and Engineering
EN In the presented paper the authors provide a solution to the problem of an inertia effect of lubricant flow in a multilobe conical bearing. The problem was solved by Galerkin's method after assuming that the bearing was lubricated with an incompressible Newtonian fluid. General form of solutions for[...]
13
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International Journal of Applied Mechanics and Engineering
EN The fully developed steady laminar flow of a generalized second grade fluid of a power-law type through a narrow space between two fixed surfaces of revolution, having a common axis of symmetry, is considered. One obtained the solution of this problem using the boundary layer equations expressed for[...]
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International Journal of Applied Mechanics and Engineering
2012 Vol. 17, no. 3 1027-1038
EN The influence of inertia and wall porosity on the pressure distribution in a curvilinear squeeze film bearing lubricated by a viscoplastic fluid of a Bingham type is considered. The general consideration on the flow of the viscoplastic fluid in a bearing clearance and in a porous layer are presented[...]
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International Journal of Applied Mechanics and Engineering
EN The flow of a Newtonian lubricant in a bearing clearance is discussed. The bearing is modelled by two rotational surfaces and the porous layer is adhered to the curved impermeable surface. The effects of rotational inertia forces on the pressure distribution are examined. The flow in the bearing cle[...]
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Inżynieria i Aparatura Chemiczna
2006 Nr 6s 101-103
EN The flow of couple stress fluid in the clearance of a curvilinear channel with the porous pad was considered. The porous pad was connected with the upper impermeable rotating surface approaching the lower fixed channel surface. The Reynolds and Poisson equations were uncoupled using the Morgan-Camer[...]
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Zagadnienia Eksploatacji Maszyn
PL W artykule autorzy omawiają wpływ efektów bezwładnościowych na rozkład ciśnienia w łożysku wzdłużnym o krzywoliniowym zarysie powierzchni roboczych. Do rozwiązania zagadnienia użyto quasi-liniowych równań ruchu, zawierających składniki bezwładności przepływu obwodowego płynu pseudoplastycznego. Anal[...]
EN In the paper, the influence of inertial effects on pressure distribution in a thrust bearing having the curvilinear outline of working spaces is discussed. Quasi-linear equations of motion incorporating inertia elements of circumferential flow of a pseudo-elastic fluid are used to solve the problem.[...]
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Zagadnienia Eksploatacji Maszyn
PL Rozważono przepływ potęgowego środka smarnego w wyciskanym filmie łożyska z porowatą wkładką. Łożysko jest modelowane dwiema krzywoliniowymi powierzchniami, a porowata wkładka przylega do zakrzywionej nieprzepuszczalnej powierzchni. Przepływ w szczelinie łożyska jest rozważony z uwzględnieniem bezwł[...]
EN The flow of a power-law lubricant in a squeeze film bearing with one porous pad is considered. The bearing is modelled by two curvilinear surfaces and the porous pad is adhered to the curved non-porous surface. The flow in the bearing clearance is considered with inertia and the Navier-Stokes and Po[...]
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Zagadnienia Eksploatacji Maszyn
PL Rozważano przepływ cieczy newtonowskiej w ściskanym filmie biologicznego łożyska z jedną porowatą ścianką. Łożysko jest modelowane przez dwie krzywoliniowe powierzchnie. Porowata ścianka przylega do krzywoliniowej nieporowatej powierzchni. Rozważony jest przepływ cieczy w przestrzeni łożyska z uwzgl[...]
EN The flow of a Newtonian fluid in squeeze film of a biological bearing with one porous wall is considered. The bearing is modelled by two curvilinear surfaces and the porous wall is adhered to the curved non-porous surface. The flow in the bearing clearance is considered with inertia and the Navier-S[...]
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Tribologia
2002 nr 6 1691-1701
PL Rozważono ciągły magnetohydrodynamiczny (MHD) przepływ laminarny lepkiej cieczy newtonowskiej w szczelinie łożyska modelowanej przez dwie współosiowe powierzchnie. Przy rozwiązaniu problemu wykorzystano równania dla cienkiej warstwy MHD i wyrażono je w krzywoliniowym układzie współrzędnych x, u, y. [...]
EN Steady laminar MHD flow of a viscous Newtonian fluid in the bearing clearance modelled by two co-axial surfaces of revolution is considered. To solve this problem the MHD thin layer equations are used and exspressed in the curvilinear orthogonal coordinate system x, ..., y. The influence of wall con[...]
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