نتایج جستجو برای: fluid stratified flow
تعداد نتایج: 700877 فیلتر نتایج به سال:
In this work, the characteristics of flow and heat transfer of a fluid containing nano particles of aluminum oxide with the water volume fraction (0.1-0.2-0.3)(V/V) percent of the reports. The overall heat transfer coefficient, heat transfer and the average heat transfer fluid containing nano water - aluminum oxide in a horizontal double pipe counter flow heat exchanger under turbulent flow con...
The present study investigated instabilities of immiscible liquid-liquid two-phase laminar flow in micro channel systems. Four representative flow patterns, i.e. stratified flow, stratified wavy flow, stratified flow with inclined interface and annular flow, were observed due to the difference of channel dimension of the organic-phase flow and physical properties of liquids.
This paper investigates the influence of suction on flow, heat and mass transfer characteristics over a permeable shrinking sheet immersed in doubly stratified micropolar fluid. The model which consists partial differential equations is converted into set nonlinear using similarity transformations then solved bvp4c solver. Numerical results obtained are presented graphically for distributions v...
This paper describes one-dimensional (parallel) laminar and transitional regimes of natural convection in a viscous stably stratified fluid due to temporally-periodic variations in the surface temperature of infinite vertical plates and cylinders. Analytical solutions are obtained for the periodic laminar regime for arbitrary values of stratification, Prandtl number and forcing frequency. The s...
n this work, computational fluid dynamics of the flow behavior in a cold flow of fluidized bed is studied. An improved finite volume based finite element method has been introduced to solve the two-phase gas/solid flow hydrodynamic equations. This method uses a collocated grid, where all variables are located at the nodal points. The fluid dynamic model for gas/solid two-phase flow is based on ...
در حوزه مهندسی سواحل، شکست امواج در نزدیکی ساحل از اهمیت زیادی برخوردار است. یکی از مسائل مهم ناشی از شکست امواج پدیده انتقال رسوب است که اهمیت فراوانی در مهندسی سواحل و حفاظت سواحل دارد. در دهه های اخیر تلاش زیادی به منظور فهم بیشتر این پدیده انجام شده است. با وجود پیچیدگی رفتاری حرکتی سیال در هنگام شکست موج، مشکلات زیادی به منظور توصیف یک روش ریاضی برای مطالعه در مورد جریان سطح آزاد در پدیده ...
The evolution of a counter-rotating vortex pair in a stably stratified fluid is investigated using direct numerical simulations. The study focuses on the short-wavelength elliptic instability occurring in this flow and the subsequent decay of the vortices. Depending on the level of stratification, as characterized by the Froude number which indicates the time scale of buoyancy to that of the in...
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