نتایج جستجو برای: vortex generator

تعداد نتایج: 69312  

Journal: :Energies 2022

Vortex generators are used to overturn the momentum of flow in boundary layer, thereby preventing separation, and broadly aviation, wind power, heat exchange, different fields. It has been determined that capability an eddy current generator manipulate layer is proportional intensity vortex strength it excites. Although mathematical notion very well defined, there difficulties figuring out appl...

Journal: :JMES: The International Journal of Mechanical Engineering and Sciences 2023

The Gravitational Water Vortex Power Plant (GWVPP) is a small-scale hydroelectric power generator that makes use of the energy generated from vortex flow to turn turbine blades and generate electricity. In this research study, focus was on numerical analysis basin design GWVPP, which divided into three sections: section, transformer section. To support transformation process tangential speed ax...

2010
Alexander B. Phillips Stephen R. Turnock

Manoeuvring underwater vehicles experience complex three dimensional flow. Features include stagnation and boundary layer separation along a convex surface. The resulting free vortex sheet rolls up to form a pair of streamwise body vortices. The track and strength of the body vortex pair results in a nonlinear increase in lift with as body incidence increases. Consequently, accurate capture of ...

2011
Subir Sachdev

We present a projective symmetry group (PSG) analysis of the spinless excitations of Z2 spin liquids on the kagome lattice. In the simplest case, vortices carrying Z2 magnetic flux (‘visons’) are shown to transform under the 48 element group GL(2,Z3). Alternative exchange couplings can also lead to a second case with visons transforming under 288 element group GL(2,Z3)×D3. We study the quantum ...

سید محمد علی زمردیان, , محمدرضا باقری سبزواری, ,

The vertical pipe intake is an economical structure relative to the other alternatives. VPI usually installed near the water surface and prevents from the coarse sediment entrance to the system. The strong vortex in VPI entrance is a major problem which may reduce the system efficiency. Recognizing the vortex affected parameters, helping engineers to design anti vortex structures. In this study...

Journal: :IOP Conference Series: Materials Science and Engineering 2020

Journal: :Frontiers in Heat and Mass Transfer 2022

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