Articles with "reverse flow" as a keyword



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Flowfield measurements of reverse flow on a high advance ratio rotor

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Published in 2018 at "Experiments in Fluids"

DOI: 10.1007/s00348-018-2638-5

Abstract: One challenge that plagues the high-speed operation of rotorcraft is the inherent increase in size of the reverse flow region on the retreating side of the rotor disk. The present work experimentally investigated a portion… read more here.

Keywords: reverse flow; flow region; rotor; flow ... See more keywords
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An Innovative Receiver Design for a Parabolic Trough Solar Collector Using Overlapped and Reverse Flow: An Experimental Study

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Published in 2019 at "Arabian Journal for Science and Engineering"

DOI: 10.1007/s13369-019-03832-8

Abstract: A new technique was proposed and implemented through an experimental model to improve the absorber tube of a parabolic trough collector, which was connected to a twisted tube and resulted in a heat transfer enhancement.… read more here.

Keywords: parabolic trough; collector; tube; transfer ... See more keywords
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Wind induced reverse flow and vertical profile characteristics in a semi-enclosed bay of large shallow Lake Taihu, China

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Published in 2017 at "Ecological Engineering"

DOI: 10.1016/j.ecoleng.2017.02.022

Abstract: Abstract Wind controls the movement of water in large shallow lakes. It ultimately affects the water quality of large shallow lakes through sediment resuspension and nutrient diffusion. Impacts of the wind field, hence needed to… read more here.

Keywords: wind; large shallow; reverse flow; water ... See more keywords
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Numerical study on reverse flow in U-tubes of UTSG under natural circulation

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Published in 2019 at "Nuclear Engineering and Design"

DOI: 10.1016/j.nucengdes.2019.01.008

Abstract: Abstract The inverted U-tube steam generator (UTSG) is the key hub between primary side and secondary side in nuclear power plants. However, it is found that reverse flow occurs in UTSG under natural circulation condition,… read more here.

Keywords: natural circulation; utsg natural; flow; reverse flow ... See more keywords
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Experimental research on reverse flow phenomenon in an equal-height-difference natural circulation system at low pressure

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Published in 2020 at "Nuclear Engineering and Design"

DOI: 10.1016/j.nucengdes.2020.110882

Abstract: Abstract Due to the inherent safety feature and potential for improved economy, natural circulation systems have been extensively applied in energy and chemical industries, especially in the nuclear industry. Different from traditional natural circulation systems… read more here.

Keywords: natural circulation; height difference; reverse flow; heat ... See more keywords
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Experimental and theoretical investigations on reverse flow characteristics in vertically inverted U-tube steam generator under transient condition

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Published in 2020 at "Progress in Nuclear Energy"

DOI: 10.1016/j.pnucene.2019.103216

Abstract: Abstract Under natural circulation conditions, the primary circuit of a steam generator (SG) has a tendency to occur flow instabilities. These instabilities due to reverse flow in some vertically inverted U-tubes will increase the flow… read more here.

Keywords: reverse flow; flow; steam generator;
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Comparative study of reverse flow activation and conventional activation with polymer electrolyte membrane fuel cell

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Published in 2020 at "Renewable Energy"

DOI: 10.1016/j.renene.2020.11.069

Abstract: Abstract Since fuel cell technology is in the commercialization stage, activation cost is also considered an important issue in addition to the manufacturing cost of fuel cell stack. As fuel cell capacity increases, activation time… read more here.

Keywords: fuel cell; reverse flow; activation; flow activation ... See more keywords
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The role of rotary motion on vortices in reverse flow

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Published in 2019 at "Journal of Fluid Mechanics"

DOI: 10.1017/jfm.2019.728

Abstract: The physics of a rotary wing in forward flight are highly complex, particularly when flow separation is involved. The purpose of this work is to assess the role of three-dimensional (3-D) vortex dynamics, with a… read more here.

Keywords: flow region; reverse flow; vortices reverse; physics ... See more keywords
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Evaluating Venous Drainage in Reverse Flow Pedicles: Available Evidence and Mechanisms

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Published in 2019 at "Journal of Reconstructive Microsurgery"

DOI: 10.1055/s-0038-1667167

Abstract: Background The anatomy and physiology of venous drainage in the reversed flow vascular pedicle is controversial and there have been few well‐designed, controlled studies to effectively evaluate the physiology. We evaluated the available evidence for… read more here.

Keywords: reverse flow; venous drainage; physiology; anatomy ... See more keywords
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Knee Defect Reconstruction Using the Distally Based Anterolateral Thigh Flap Based on the Reverse Flow from the Oblique Branch of the Lateral Circumflex Femoral Artery

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Published in 2022 at "Archives of Plastic Surgery"

DOI: 10.1055/s-0042-1748661

Abstract: Reconstruction of soft tissue defects around the knee is challenging, and the most common solution is to use various locoregional flaps or, in some difficult cases, a free flap. The distally based anterolateral thigh (dALT)… read more here.

Keywords: anterolateral thigh; dalt flap; flap; reverse flow ... See more keywords
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Tracking the flapping motion of flow separation using pointwise measurement

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Published in 2020 at "Physics of Fluids"

DOI: 10.1063/5.0002035

Abstract: In recent investigations of the unsteadiness of flow separation, time-resolved whole-field information, such as the temporal variation of reverse flow area and proper orthogonal decomposition modes, is commonly used to quantify the flapping motion of… read more here.

Keywords: reverse flow; separation; point; flapping motion ... See more keywords