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Valery Zapryagaev, Nikolay Kiselev and Dmitry Gubanov
In the present paper, we give a brief overview of the studies of supersonic jet flows which were performed recently with the aim of gaining experimental data on the formation of the shock-wave structure and jet mixing layer in such flows. Considerable at...
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Valery Zapryagaev, Nikolay Kiselev and Dmitry Gubanov
In the present paper, we give a brief overview of the studies of supersonic jet flows which were performed recently with the aim of gaining experimental data on the formation of the shock-wave structure and jet mixing layer in such flows. Considerable at...
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Stefano Bianchi, Alessandro Corsini, Anthony Geoffrey Sheard
Pág. 45 - 62
This paper describes an experimental investigation of the interaction noise in a jet impacting isolated aerofoils. The authors conducted the study in a low-speed wind tunnel ending in an anechoic chamber, and focussed on the tip region of two types of is...
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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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Anurag Sharma, Bimlesh Kumar and Giuseppe Oliveto
This work experimentally investigates the turbulent flow characteristics of developing and fully-developed flows over a rough bed channel that is subjected to downward seepage. Instantaneous 3D velocities were collected using an acoustic Doppler velocime...
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Suyu Jiang, Fei Yan, Jian Zhang and Bo Song
The near-wake structure resulting from the interaction between the water and the cylinder is researched. The wake characteristics for the smooth cylinder and the cylinder with different numbers of grooves are measured by high-speed particle image velocim...
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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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Md. Amzad Hossain, Md Nawshad Arslan Islam, Martin De La Torre, Arturo Acosta Zamora and Ahsan Choudhuri
This paper presents the flow and flame characteristics of a highly turbulent reactive flow over a backward-facing step inside a windowed combustor. Flow and combustion experiments were performed at Re = 15,000 and Re = 30,000 using high-resolution 10 kHz...
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Beibei Mao, Hua Yang, Fei Sun, Ying Zhang and Xinrui Zhang
Multi-scale coherent structures have been observed in ocean currents, which are induced by the interaction of shear flows with different velocities. Understanding the spatial configuration and scale characteristics of coherent structures will promote the...
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Christian Windemuth, Martin Lange and Ronald Mailach
A significant share of the conversion of thermal into electrical energy is realized by steam turbines. Formerly designed for continuous operation, today?s requirements include extended part load operation that can be accompanied by highly unstable flow c...
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Kei Ogata, ?eljko Pogacnik, Giorgio Tunis, Gian Andrea Pini, Andrea Festa and Kim Senger
The Paleogene ?megabeds? of the Julian-Slovenian Basin are regional, basin-wide deposits, produced by catastrophic carbonate platform collapses. They record the emplacement of a bipartite slide mass behaving as a cohesive blocky/debris flow in the lower ...
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Naveed Anjum, Usman Ghani, Ghufran Ahmed Pasha, Abid Latif, Tahir Sultan and Shahid Ali
In the present study, the flow structure of discontinuous double-layered vegetation patches was investigated using a 3D Reynolds stress turbulence model (RSM). The channel domain was built using GAMBIT (Geometry and Mesh Building Intelligent Toolkit). Fo...
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Jie-Shin Lin,Po-Yu Lee
Pág. 81 - 96
During this uncertain and turbulent knowledge-oriented era, simple linear organizations are no longer able to face the current openness, conflicts, chaos, randomness and uncertainty. Therefore, amoeba or multi-faceted organizational structures are on the...
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Jie-Shin Lin,Po-Yu Lee
Pág. 81 - 96
During this uncertain and turbulent knowledge-oriented era, simple linear organizations are no longer able to face the current openness, conflicts, chaos, randomness and uncertainty. Therefore, amoeba or multi-faceted organizational structures are on the...
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Zhou Shen, Beimeng Hu, Guozhan Li and Hongjun Zhang
The effects of the coolant pulsation and the plasma aerodynamic actuation (PAA) on the film cooling are herein explored via large eddy simulations. The electrohydrodynamic force derived from the PAA was solved through the phenomenological plasma model. T...
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Fenghui Han, Yuxiang Liu, Qingyuan Lan, Wenhua Li and Zhe Wang
Double-curved pipes are widely employed as essential components of subsea pipeline systems. Considering the layout flexibility and application diversity, there are various spatial structures for the double-curved combinations. However, few studies have c...
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Maurizio Arena, Antonio Chiariello, Martina Castaldo and Luigi Di Palma
One of the crucial issues affecting the structural safety of propeller vehicles is the propeller tonal excitation and related vibrations. Propeller rotation during flight generates vibrating sources depending upon its rotational angular velocity, number ...
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Po-Hung Yeh, Shao-Hua Chung and Bang-Fuh Chen
This study explores the damping effects of tuned liquid dampers (TLDs) on a monopile offshore wind turbine (OWT). The fluid?solid coupling of ANSYS was used to simulate the damping effect of a TLD on the structures. The environmental conditions refer to ...
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Juan José Rebollo, David López, Luis Garrote, Tamara Ramos, Rubén Díaz and Ricardo Herrero
Energy dissipation structures play an important role in flood risk management. Many variables need to be considered for the design of these structures. Aeration has been one of the more studied phenomena over the last years, due to its influence in the p...
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Daniel B. Bung and Daniel Valero
As with most high-velocity free-surface flows, stepped spillway flows become self-aerated when the drop height exceeds a critical value. Due to the step-induced macro-roughness, the flow field becomes more turbulent than on a similar smooth-invert chute....
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