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Hadiseh Karimaei, Ramin Ghorbani, Seyed Mostafa Hosseinalipour
Pág. 179 - 188
Surface instability of a swirling liquid sheet emanating from a centrifugal injector in presence of external and internal gas flows is studied in this paper. A three-dimensional flow for the liquid sheet and two-dimensional flows for external and interna...
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Elizaveta Kruglova and Stanislav Myslenkov
Wind and wave conditions are limiting factors for economic activity, and it is very important to study the long-term variability of storm activity. The main motivation of this research is to assess the impact of wind variability on the storm activity in ...
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Yongfeng Qi, Huabin Mao, Xia Wang, Linhui Yu, Shumin Lian, Xianpeng Li and Xiaodong Shang
Direct microstructure observations and fine-scale measurements of an anticyclonic mesoscale eddy were conducted in the northern South China Sea in July 2020. An important finding was that suppressed turbulent mixing in the thermocline existed at the cent...
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Haixiao Jing, Yanyan Gao, Changgen Liu and Jingming Hou
Understanding the propagation of landslide-generated water waves is of great help against tsunami hazards. In order to investigate the effects of landslide shapes on the far-field leading wave generated by a submerged landslide at a constant depth, three...
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Floris de Wit, Marion Tissier and Ad Reniers
Field measurements of waves and currents were obtained at ten locations on an ebb-tidal shoal seaward of Ameland Inlet for a six-week period. These measurements were used to investigate the evolution of the near-bed velocity skewness and asymmetry, as th...
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Samantha Kularatne and Charitha Pattiaratchi
Results from a series of field experiments, conducted to investigate the influence of infragravity waves (from wave groups), ripple type and location relative to the breaker line on cross-shore suspended sediment flux close to the sea bed in nearshore en...
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Guangyu Shi, Alexandros Priftis, Yan Xing-Kaeding, Evangelos Boulougouris, Apostolos D. Papanikolaou, Haibin Wang and Geoff Symonds
This paper numerically investigates the resistance at full-scale of a zero-emission, high-speed catamaran in both deep and shallow water, with the Froude number ranging from 0.2 to 0.8. The numerical methods are validated by two means: (a) Comparison wit...
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Yuanjing Wang, Dawei Liu, Xin Xu and Guoshuai Li
The scale difference between the real flight vehicle and the experimental model results in the Reynolds number effect, which makes it unreliable to predict the aerodynamic characteristics of flight vehicles by wind tunnel testing. To understand the mecha...
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Andrea Adriani, Stefano Serra-Capizzano and Cristina Tablino-Possio
We consider the Helmholtz equation and the fractional Laplacian in the case of the complex-valued unbounded variable coefficient wave number μ" role="presentation" style="position: relative;">??µ
µ
, approximated by finite differences. In a rec...
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Tingkai Dai and Bo Zhang
Shock wave/turbulent boundary layer interaction (SBLI) is one of the most common physical phenomena in transonic wing and supersonic aircraft. In this study, the compression ramp SBLI (CR-SBLI) was simulated at a 24° corner at Mach 2.84 using the open-so...
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Chenghua Cong, Honggang Qin and Xingyou Yi
The unsteady characteristics of the second throat of a transonic wind tunnel have an important influence on the design and test of the wind tunnel. Therefore, the forced oscillation characteristics were studied by a numerical simulation method. The gover...
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Simona Percic, Andreja Kukec, Tanja Cegnar and Ana Hojs
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John-Paul Mosele, Andreas Gross and John Slater
Shock wave boundary layer interactions are common to both supersonic and hypersonic inlet flows. Wall-resolved implicit large-eddy simulations of a canonical Mach 2.5 axisymmetric shock wave boundary layer interaction experiment at Glenn Research Center ...
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Youqiang Wei, Ruoling Dong, Yixin Zhang and Shuang Liang
This study investigated the influence of instability on the interaction between sub-millimeter liquid droplets and shock waves. Experiments were conducted using 0.42 mm diameter droplets with varying shock wave Mach numbers. The investigation quantified ...
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Nuray Gedik
In coastal engineering, empirical formulas grounded on experimental works regarding the stability of breakwaters have been developed. In recent years, soft computing tools such as artificial neural networks and fuzzy models have started to be employed to...
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Deska Lismawenning Puspitarum
Pág. 18 - 26
Magnesium Ferrite Magnesium (MgFe2O4) magnetic nanoparticles have been successfully carried out by varying the concentrations of PEG-4000 and silica as encapsulation materials using coprecipitation methods. The X-ray Diffraction (XRD) analysis showed tha...
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Yifei Yu, Zhiqun Guo and Qingwei Ma
The transmission of water waves under vertical thin plates, e.g., offshore floating breakwaters, oscillating water column wave energy converters, and so on, is a crucial feature that dominates the hydrodynamic performance of marine devices. In this paper...
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A. WIIN NIELSEN
The implications of cascade processes in barotropic and quasi-geostrophic models are reviewed using conservation of kinetic energy and enstrophy in the barotropic case and conservation of the sum of available potential and kinetic energy and of potent...
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Anne Katrine Bratland
In Stokes? wave theory, wave numbers are corrected in the third order solution. A change in wave number is also associated with a change in current velocity. Here, it will be argued that the current is the reason for the wave number correction, and that ...
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Liping Wang, Xiaotong Chen, Wan Zhang, Yanzhe Tian and Shuanhai Xu
To investigate the effects of long-term freeze?thaw cycles on the physical and mechanical properties as well as the attenuation trend of rocks, this study conducted saturated freeze?thaw tests on coarse sandstone and fine sandstone samples collected from...
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