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Daria Gladskikh, Lev Ostrovsky, Yuliya Troitskaya, Irina Soustova and Evgeny Mortikov
Within the framework of the theory of unsteady turbulent flows in a stratified fluid, a new parameterization of the turbulent Prandtl number is proposed. The parameterization is included in the k-e-closure and used within the three-dimensional model of t...
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Huabin Mao, Yongfeng Qi, Ying Chen and Jiancheng Yu
Enhanced turbulence triggered by near-inertial wave (NIW) trapping by a mesoscale anticyclone and typhoon ?Kompasu? was observed in the northern South China Sea. The observations provide evidence for the trapping of NIW packets of amplitude ~0.2 m/s near...
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Pedro Areias, Rodrigo Correia and Rui Melicio
For the analysis of low-speed incompressible fluid dynamics with turbulence around airfoils, we developed a finite element formulation based on a stabilized pressure and velocity formulation. To shape the optimization of bidimensional airfoils, this form...
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Xenofon Trompoukis, Konstantinos Tsiakas, Varvara Asouti, Marina Kontou and Kyriakos Giannakoglou
This paper presents an adjoint-based shape optimization framework and its demonstration in a conjugate heat transfer problem in a turbine blading. The gradient of the objective function is computed based on the continuous adjoint method, which also inclu...
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Youngjin Choi, Youngmin Park, Minbum Choi, Kyung Tae Jung and Kyeong Ok Kim
The performance of three turbulence closure schemes (TCSs), the generic length scale scheme (GLS), the Mellor?Yamada 2.5 scheme (MY2.5) and the K-profile parameterization scheme (KPP), embedded in the ocean model ROMS, was compared with attention to the ...
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Sergey Moshonkin, Vladimir Zalesny and Anatoly Gusev
The results of large-scale ocean dynamics simulation taking into account the parameterization of vertical turbulent exchange are considered. Numerical experiments were carried out using ??-??
k
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turbulence model embedded to the Institute of Numerical...
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Stefano Serafin, Bianca Adler, Joan Cuxart, Stephan F. J. De Wekker, Alexander Gohm, Branko Grisogono, Norbert Kalthoff, Daniel J. Kirshbaum, Mathias W. Rotach, Jürg Schmidli, Ivana Stiperski, ?eljko Vecenaj and Dino Zardi
The exchange of heat, momentum, and mass in the atmosphere over mountainous terrain is controlled by synoptic-scale dynamics, thermally driven mesoscale circulations, and turbulence. This article reviews the key challenges relevant to the understanding o...
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Umberto Ciri, Giovandomenico Petrolo, Maria Vittoria Salvetti and Stefano Leonardi
Numerical simulations reproducing a wind tunnel experiment on two in-line wind turbines have been performed. The flow features and the array performances have been evaluated in different inflow conditions. Following the experimental setup, different inle...
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Hyun-Doug Yoon, Daniel Cox and Nobuhito Mori
To quantify the effect of wave breaking turbulence on sediment transport in the nearshore, the vertical distribution of time-averaged suspended sediment concentration (SSC) in the surf zone was parameterized in terms of the turbulent kinetic energy (TKE)...
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P. W. Chan,C. C. Lam,P. Cheung
Wind gust is an important element in weather forecasting. Gusts associated with squalls in intense convective weather may bring about injuries to the public. In aviation meteorology, the aircraft may not attempt to land on the runway in gusty crosswinds,...
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