Objectives: The primary goal of this paper is to study the influence MHD and micropolar fluid on squeeze film lubrication between stepped porous parallel plates. Method: non-Newtonian Reynolds type equation derived by considering flow in matrix as described Darcy’s law, well microstructure additives magnetic effects associated with magnetization fluid. numerical solutions are presented graphica...

We present a 1D theory, neglecting radial dependency, for the damping of cylindrically symmetric plasma modes due to a cylindrically symmetric squeeze potential Vsq(z), applied to the axial midpoint of a non-neutral plasma column. Inside the plasma, particles experience a much smaller, Debye shielded squeeze potential φ0(z) of magnitude φs. Squeeze divides the plasma into passing and trapped pa...

mathematical model is developed for the time-dependent circular tube flow of compressible olymeric liquids subject to pressure-dependent slip at the wall and applied to a poly dimethyl iloxane PDMS . The parameters of pressure-dependent wall slip velocity and shear viscosity of he PDMS were determined using combinations of small-amplitude oscillatory shear, steady orsional and squeeze flows and...

Coronary artery anomalies are among the neglected topics in cardiology. Anomalous origin of the left main coronary artery from the right sinus of valsalva is a rare coronary anomaly observed in 0.15% of patients. During exercise, the distended aorta and pulmonary artery with increased blood flow may squeeze the Left Main Coronary Artery (LMCA) between them. Even though arrhythmias are common ca...

This study aims at the lubricant film between slipper and swashplate of an axial piston pump. Based on a single piston/slipper assembly model, mathematical model for squeeze effect is developed according to pressure-flow transfer process as well dynamics assembly. The has been predicted by nonlinear numerical calculations computational fluid dynamic (CFD). thickness leakage flow, sealing land p...

The rheological properties of liquids confined to nanometer scales are important in many physical situations. In this Letter, we demonstrate that the long-range elastic deformation of the confining surfaces must be taken into account when considering the rheology of nanometric liquids. In the case of a squeeze-flow geometry, we show that below a critical distance D(c), the liquid is clamped by ...

Lorentz boosts are squeeze transformations. While these transformations are similar to those in squeezed states of light, they are fundamentally different from both physical and mathematical points of view. The difference is illustrated in terms of two coupled harmonic oscillators, and in terms of the covariant harmonic oscillator formalism. The word “squeezed state” is relatively new and was d...

OBJECTIVE The purpose of this study was to assess the correlation between internal and external anal sphincter volumes and manometric anal pressures. STUDY DESIGN Ten healthy nulliparous women underwent anal sphincter magnetic resonance imaging and anal manometry measurement. A 3-dimensional reconstruction of magnetic resonance images was accomplished with the use of 3-dimensional slicer. Sph...

This paper investigates the air flow induced by a rigid circular disk or piston vibrating harmonically along its axis of symmetry in immediate vicinity parallel surface. Previous attempts to characterize these so-called ‘squeeze-film’ systems largely relied on simplifications afforded neglecting either fluid acceleration viscous forces inside thin enclosed gas layer. The present viscoacoustic a...