نتایج جستجو برای: laminar separation bubble
تعداد نتایج: 151171 فیلتر نتایج به سال:
Safe and efficient exposure of Descemet membrane is the key to success in deep anterior lamellar keratoplasty. Although widely used, the big-bubble technique has the drawback of difficulty in maintaining appropriate needle insertion depth in the corneal stroma, resulting in injected air sometimes escaping to the peripheral cornea without separation of Descemet membrane. We describe a variation ...
During the aluminum electrolysis process is produced at cathode and CO2 gas bubbles are generated on anode released. The reduce active surface area of anode, which increases energy consumption. They also cause liquid to fluctuate oxidize again. study anodic bubble behavior important power consumption improve current efficiency. In this paper, phase field, laminar flow tertiary distribution modu...
Shock waves generated at different parts of vehicle interact with the boundary layer over the surface at high Mach flows. The adverse pressure gradient across strong shock wave causes the flow to separate and peak loads are generated at separation and reattachment points. The size of separation bubble in the shock boundary layer interaction flows depends on various parameters. Reynolds-averaged...
OBJECTIVE Ultrasound (US)-mediated destruction of contrast microbubbles causes capillary rupturing that stimulates arteriogenesis, whereas intramuscular implantation (im) of bone marrow mononuclear cells (BM-MNCs) induces angiogenesis. We therefore studied whether US-targeted microbubble destruction combined with transplantation of BM-MNCs can enhance blood flow restoration by stimulating both ...
Flutter instability because of the blade vibrations is a major problem in axial compressor cascades. This paper investigates effects oscillations on aerodynamic performance and turbulent flow characteristics modern gas-turbine compressors. Highly accurate direct numerical simulations (DNS) are performed based spectral-hp element method to predict instabilities, pressure fluctuations vortex gene...
We discuss herein recent experimental and numerical studies examining resonant flow-acoustic feedback–loop interactions in transitional airfoils (i.e., possessing a notable area of laminar-to-turbulent boundary-layer transition) characteristic low-to-medium Reynolds number flow regimes. Such are commonly attributed to the viscous dynamics convected structures scattering into acoustic waves at t...
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