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Rafik Absi and Hitoshi Tanaka
Turbulence related to flow oscillations near the seabed, in the wave bottom boundary layer (WBBL), is the phenomenon responsible for the suspension and transport of sediments. The vertical distribution of turbulent eddy viscosity within the WBBL is a key...
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Hongen Yang, Junming Lao, Delin Tong and Hongqing Song
Water injection with an oscillatory pressure boundary is a promising technology, which can achieve a more economical and environment-friendly EOR (enhanced oil recovery). However, due to the unclear critical injection frequency, its oil production perfor...
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Jaewon Lee, Sang Gon Lee, Sang Hun Kang and Hyuck-Joon Namkoung
For successful scramjet engine operations, it is important to understand the mechanism of the inlet unstart phenomenon. Among various unstarted flow patterns in hypersonic inlets, the mechanism of low-amplitude oscillatory unstarted flow is still unclear...
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Yan Sun, Yongjie Shi and Guohua Xu
The accurate prediction of helicopter rotor blade?vortex interaction (BVI) noise is challenging. This paper presents an implementation of the seventh-order improved weighted essentially non-oscillatory (WENO-Z) scheme for predicting rotor BVI noise using...
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Hitoshi Tanaka, Nguyen Xuan Tinh and Ahmad Sana
In order to improve the accuracy of the original full-range equation for wave boundary layer thickness, with special reference to increasing its applicability to tsunami-scale waves, a theoretical investigation is carried out to derive a dimensionless ex...
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Petr Vrchota, Ale? Prachar and Pavel Hospodár
Inclusion of Active Flow Control (AFC) into Computational Fluid Dynamics (CFD) simulations is usually highly time-consuming and requires extensive computational resources and effort. In principle, the flow inside of the fluidic AFC actuators should be in...
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Fatimah A.Z. Mohd Saat and Artur J. Jaworski
Thermoacoustic technologies rely on a direct power conversion between acoustic and thermal energies using well known thermoacoustic effects. The presence of the acoustic field leads to oscillatory heat transfer and fluid flow processes within the compone...
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