The exploration of nonlinear instability in an annular jet containing an electrified Eyring-Powell viscoelastic fluid (EPF) is essential in industrial and biological applications, enhancing fluid control and optimizing intricate processes. The current model is pervaded by the impact of a uniform axial ...
In this work, a one-dimensional, isothermal, pseudo-transient two-fluid mathematical model is presented to simulate heavy oil-water core-annular upward flow. The model consists of mass, momentum and energy conservation equations for each phase, whose numerical solution is based on the finite differ...
Sand-filled or water-filled plastic and/or other bats– These are unstable tools that shift when lifted or swung, and can cause injury to user in the form of torn, strained, or pulled muscles, or even joint problems. Instability is a good quality in some training tools, but not when cl...
Non-contacting annular seals are used in turbomachinery to reduce the leakage of working fluid. The leakage is caused by a pressure differential across the seal and is reduced through textures cut into the surface of the seal. Three common types of non-contacting annular seals are labyrinth seals...
The concept is that,as the fluid level in the well f 当使用在downhole对待时,防喷管通常充满化学制品稀释由原油和迅速地被倾销入环型在巨额。对防喷管的用途通常被限制对泵浦或者泵浦工作油比形成可能快速地生产的井。 概念是,因为液面在井落,化学制品与油一起在环体导致。 [translate] 英语翻译 日语...
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aFigures 20 show the distribution of voltage across the cross-sectional area of the PZT disc. The figure shows a voltage of 60V on the top annular region, which represents the electric leads, while the bottom layer is grounded as it is in contact with conductive fluid. 图20显示电压的发行横...
Osgouei R.E., Ozbayoglu M.E Ozbayoglu A.M., Yuksel E., „‟ A New Model to Determine the Two Phase Drilling Fluid Behavior through Horizontal Eccentric Annular Geometry, Part A: Flow Pattern Identification and Liquid Hold up Estimation" Energy Sources Part A. Accepted date: 18-Mar-...
(2016) introduced an exponential permeability model with the growth of effective stress, so as to describe coal permeability variation as effective stress changes from the elastic state to the post-failure state. Different from shallow coal masses, deep coal masses exhibit special mechanical behavior ...
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