|
|
|
|
|
Yixiang Liao and Dirk Lucas
The flashing phenomenon is relevant to nuclear safety analysis, for example by a loss of coolant accident and safety release scenarios. It has been studied intensively by means of experiments and simulations with system codes, but computational fluid dyn...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yaogen Peng, Huijun Mao, Zhichao Liu and Cheng Wei
Natural ventilation is one of the vital means for passive energy-efficient design in green buildings. As a widely used building façade, the perforated plate is mostly utilized for appearance decoration, noise absorption, and sun shading, but its impact o...
ver más
|
|
|
|
|
|
|
|
|
|
|
Mehdi Heyrani, Abdolmajid Mohammadian, Ioan Nistor and Omerul Faruk Dursun
One of the primary steps in managing the flow in an open channel is determining its properties. Empirical equations are developed to provide further information regarding the flow in open channels. Obtaining such experimental equations is expensive and t...
ver más
|
|
|
|
|
|
|
|
|
|
|
Santiago Laín, Jaime H. Lozano-Parada and Javier Guzmán
In this contribution, an unsteady numerical simulation of the flow in a microfluidic oscillator has been performed. The transient turbulent flow inside the device is described by the Unsteady Reynolds Averaged Navier?Stokes equations (URANS) coupled with...
ver más
|
|
|
|
|
|
|
|
|
|
|
José Jiménez-Varona, Gabriel Liaño, José L. Castillo and Pedro L. García-Ybarra
The flow at low Mach numbers and high angles of attack over axisymmetric configurations is not symmetric. The mechanism that triggers the asymmetry is a combination of a global (temporal) instability and a convective (spatial) instability. This latter in...
ver más
|
|
|
|
|
|
|
|
|
|
|
Young-Tae Lee, Lokesh Kalyan Gutti and Hee-Chang Lim
In the past half century, large eddy simulations (LESs) have played an important role in turbulent flow simulation and improving the performance of computing technology. To generate a fully developed turbulent boundary layer in the channel domain using L...
ver más
|
|
|
|
|
|
|
|
|
|
|
Rui-Jie Zhao, You-Long Zhao, De-Sheng Zhang, Yan Li and Lin-Lin Geng
Erosion in centrifugal pumps for transporting flows with dilute particles is a main pump failure problem in many engineering processes. A numerical model combining the computational fluid dynamics (CFD) and Discrete Element Method (DEM) is applied to sim...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ana Gomes, José L. S. Pinho, Tiago Valente, José S. Antunes do Carmo and Arkal V. Hegde
Coastal defence works, such as breakwaters, are structures that aim to support the action of waves and dissipate their energy. Therefore, they provide conditions for stabilizing the coast, protecting ports, beaches and other coastal infrastructures and e...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yingfei Zan, Ruinan Guo, Lihao Yuan and Zhaohui Wu
In underwater towing operations, the drag force and vertical offset angle of towropes are important considerations when choosing and setting up towing equipment. The aim of this paper is to study the variation in drag force, vertical offset angle, resist...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zhiming Han, Mitsuharu Terashima, Bing Liu and Hidenari Yasui
A modified spacer, which was constructed with arched filaments and zigzag filaments, was designed to improve vortex shedding and generate a directional change in flow patterns of membrane modules, especially in the vicinity of the feed spacer filament, w...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zhiming Han, Mitsuharu Terashima, Bing Liu and Hidenari Yasui
A modified spacer, which was constructed with arched filaments and zigzag filaments, was designed to improve vortex shedding and generate a directional change in flow patterns of membrane modules, especially in the vicinity of the feed spacer filament, w...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zhiming Han, Mitsuharu Terashima, Bing Liu and Hidenari Yasui
A modified spacer, which was constructed with arched filaments and zigzag filaments, was designed to improve vortex shedding and generate a directional change in flow patterns of membrane modules, especially in the vicinity of the feed spacer filament, w...
ver más
|
|
|
|
|
|
|
|
|
|
|
Younes Menni, Ahmed Azzi
Pág. 16 - 25
A computational fluid dynamic analysis of thermal and aerodynamic fields for an incompressible steady-state flow of a Newtonian fluid through a two-dimensional horizontal rectangular section channel with upper and lower wall-attached, vertical, staggered...
ver más
|
|
|
|
|
|
|
|
|
|
|
Péter Csizmadia, Sára Till
Pág. 305 - 311
This study presents a numerical investigation of flow and rheological behaviour of activated sludge. These materials are usually driven by pumps in wastewater treatment plants. Because of the correct sizing of the pipeline systems, which is of great impo...
ver más
|
|
|
|
|
|
|
|
|
|
|
Alexander Rozentsvaig, Cheslav Strashinskii
Pág. 216 - 226
Turbulent flows of emulsions are associated with the processes of breakage, coalescence and sedimentation of droplets of dispersed liquid. Mechanisms of these physical phenomena that form the equilibrium composition of the droplets of dispersed phase are...
ver más
|
|
|
|
|
|
|
|
|
|
|
Songli Yu, Huichao Dai, Yanwei Zhai, Mengyang Liu and Wenxin Huai
Aquatic plants widely exist in rivers, which can affect the flow structure in rivers and have an important impact on the evolution of river morphology. The emerged vegetation is an important member of aquatic vegetation in the river, so studying the flow...
ver más
|
|
|
|
|
|
|
|
|
|
|
Peng Yu, Zhiyuan Hu, Guohua Xu and Yongjie Shi
Due to the small tilt angle, a tiltrotor operates in non-axial flow conditions during shipboard take-off and landing. The non-uniformity of the blade?s air-load is high, resulting in structural deformation with high fluctuation frequency, affecting the r...
ver más
|
|
|
|
|
|
|
|
|
|
|
David Engelmann, Martin Sinkwitz, Francesca di Mare, Björn Koppe, Ronald Mailach, Jordi Ventosa-Molina, Jochen Fröhlich, Tobias Schubert and Reinhard Niehuis
This article provides a summarizing account of the results obtained in the current collaborative work of four research institutes concerning near-wall flow in turbomachinery. Specific questions regarding the influences of boundary layer development on bl...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hehui Zhang, Haolin You, Haishan Lu, Kun Li, Zhiyong Zhang and Liangxing Jiang
The numerical approach in this article can provide abundant information about the flow induced vibration of the pump rotor and may offer theoretical guidance to the design of reducing vibration and safety monitoring of centrifugal pumps.
|
|
|
|
|
|
|
|
|
|
|
Mukesh Upadhyay, Ayeon Kim, Heehyang Kim, Dongjun Lim and Hankwon Lim
Accurate prediction of the hydrodynamic profile is important for circulating fluidized bed (CFB) reactor design and scale-up. Multiphase computational fluid dynamics (CFD) simulation with interphase momentum exchange is key to accurately predict the gas-...
ver más
|
|
|
|
|
|