نتایج جستجو برای: wavy wall
تعداد نتایج: 170934 فیلتر نتایج به سال:
A numerical analysis used to simulate the effects of wavy surfaces and thermal radiation on natural convection heat transfer boundary layer flow over an inclined wavy plate has been investigated. A simple coordinate transformation is employed to transform the complex wavy surface into a flat plate. The boundary layer equations and the boundary conditions are discretized by the finite difference...
This study explores the mechanism of flow boiling critical heat flux (CHF) for FC-72 in a 2.5 mm 5 mm vertical upflow channel that is heated along its 2.5 mm sidewall downstream of an adiabatic development section. Unlike most prior CHF studies, where the working fluid enters the channel in liquid state, the present study concerns saturated inlet conditions with finite vapor void. Temperature m...
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The cell envelope of Escherichia coli B was investigated with the freeze-etching technique. A considerable gain in visible structural detail over more conventional electron microscopic techniques was obtained. The inner surface of the plasma membrane revealed a smooth surface sparsely studded with particles measuring from 5 to 10 nm in diameter, whereas the outer surface of the plasma membrane ...
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