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Daniele Pietro Viero, Paolo Peruzzo and Andrea Defina
A simplified model for the upstream propagation of a positive surge in a sloping, rectangular channel is presented. The model is based on the assumptions of a flat water surface and negligible energy dissipation downstream of the surge, which is generate...
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Daniele Pietro Viero, Paolo Peruzzo, Andrea Defina
Pág. 1 - 13
A simplified model for the upstream propagation of a positive surge in a sloping, rectangular channel is presented. The model is based on the assumptions of a flat water surface and negligible energy dissipation downstream of the surge, which is generate...
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Prateek Kumar Singh, Xiaonan Tang and Hamidreza Rahimi
Numerous sources of overtopping and flood events suggest different cross-sectional land characteristics of the river and urban river water systems. Multiple stages of floodplains in compound channels are viable in urban areas to facilitate bank slope sta...
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Matthijs R.A. Gensen, Jord J. Warmink, Fredrik Huthoff and Suzanne J.M.H. Hulscher
Accurate and reliable estimates of water levels are essential to assess flood risk in river systems. In current practice, uncertainties involved and the sensitivity of water levels to these uncertainties are studied in single-branch rivers, while many ri...
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Roman Novak
Pág. 269 - 278
In telecommunication channel modelling the wavelength is small compared to the physical features of interest, therefore deterministic ray tracing techniques provide solutions that are more efficient, faster and still within time constraints than current ...
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Barbara Zanchi, Matteo Zucchi and Alessio Radice
This communication explores the use of numerical modelling to simulate the hydro-morphologic response of a laboratory flume subject to sediment overloading. The numerical model calibration was performed by introducing a multiplicative factor in the Meyer...
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Shahideh Kiehbadroudinezhad,Adib Shahabi,Mohammad Ali Kiehbadroudinezhad
Pág. 343 - 350
In this work, the spatial correlation of a multiple-input multiple-output (MIMO) for underwater acoustic (UWA) channel is modelled. To obtain the spatial correlation for such a channel, a mathematical method to model the effect of the surface on the acou...
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Josette Garnier, Philippe Riou, Romain Le Gendre, Antsiva Ramarson, Gilles Billen, Philippe Cugier, Mathilde Schapira, Sylvain Théry, Vincent Thieu and Alain Ménesguen
The continental coastal waters of the Eastern Channel, from Normandy to Hauts-de-France, are subject to the major influence of unbalanced nutrient inputs from inflowing rivers. Several episodes of harmful algal blooms (HABs) compromising fishing and shel...
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???? ????????????? ????????????, ????????? ???????????? ????, ????? ????????????? ???????
Pág. 15 - 22
The subject matter of the article is data communication in a transport network. The goal is to develop the method of modelling the parameters of a data communication network, which enables formalizing network parameters to simulate its behaviour taking i...
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Anas Rahman, Vengatesan Venugopal and Jerome Thiebot
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Bahareh Bidar, Farhad Shahraki, Davod Mohebbi Kalhori
Pág. 193 - 202
A computational fluid dynamics analysis of forced convective heat transfer has been conducted numerically on the hydrodynamic and heat transfer of airflow through vertical channel. The effects of airflow Reynolds number, metal foam porosity and thermal c...
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Astrid Meira Martoni, Roberto Cruz Lessa (Author)
Pág. 949 - 959
Environmental studies for the flooding plain of the Paraná River at Porto Rico region, need fluviometric data about Porto São José - Porto 18 stretch, which have to be provided through a hydrodynamic model that simulates the behavior of this part of the ...
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Astrid Meira Martoni, Roberto Cruz Lessa (Author)
Pág. 961 - 970
In this paper hydrodynamic modelling of the channel for the river stretch from Porto São José to Porto 18 is presented. This step involved historical data gathering, level and flowrate field survey, model parameters attainment and flowrate distribution a...
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Motoyuki Kawase and Aldo Rona
The tip leakage flow over the blades of an axial compressor rotor adversely affects the axial rotor efficiency and can determine the onset of tip leakage stall. The performance of a new casing treatment concept in the shape of an axisymmetric recirculati...
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Nikolai A. Voinov, Alexander S. Frolov, Anastasiya V. Bogatkova and Denis A. Zemtsov
This paper presents and patents new profiled- and annular-channel tangential swirlers with 1.8?3 times less hydraulic drag coefficient compared to swirlers with straight channel walls at the same flow rate, respectively. The results of numerical simulati...
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Bohdan Haidai, Roman Artiukh, Olga Malyeyeva
Pág. 5 - 12
The subject matter of the research is the models and technologies of analyzing the processes of developing the loyalty and preferences of social networks users. The goal of the research is to increase the efficiency of marketing analysis of clients? pref...
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Anh T. K. Do, Nicolas Huybrechts and Philippe Sergent
The Authie estuary is characterized by an important southern sand spit and a northern shoreline subject to strong erosion due to the meandering of the coastal river. In order to reduce this erosion, a new soft coastal defence, namely the sand net device ...
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Wenwei Liu and Chuan-Yu Wu
Particle?fluid flows are ubiquitous in nature and industry. Understanding the dynamic behaviour of these complex flows becomes a rapidly developing interdisciplinary research focus. In this work, a numerical modelling approach for complex particle?fluid ...
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Maarouf Al Hajj, Shanshan Wang, Lam Thanh Tu, Soumaya Azzi and Joe Wiart
This paper aims to derive an analytical modelling of the downlink exposure in 5G massive Multiple Input Multiple Output (MIMO) antenna networks using stochastic geometry. The Poisson point process (PPP) is assumed for base station (BS) distribution. The ...
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C. Scott Watson, Jeffrey S. Kargel and Babulal Tiruwa
Topography derived using human-portable unmanned aerial vehicles (UAVs) and structure from motion photogrammetry offers an order of magnitude improvement in spatial resolution and uncertainty over small survey extents, compared to global digital elevatio...
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