|
|
|
|
|
Huanhuan Wang, Eden Furtak-Cole and Keith Ngan
Mean wind profiles within a unit-aspect-ratio street canyon have been estimated by solving the three-dimensional Poisson equation for a set of discrete vortex sheets. The validity of this approach, which assumes inviscid vortex dynamics away from boundar...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hannes Fugmann, Eric Laurenz and Lena Schnabel
Enhancing the heat transfer mechanism by increasing the heat exchanger surface area is a standard way to overcome low heat transfer on the gas side of heat exchangers. Different geometrical shapes, for example, plain, wavy, or interrupted fin geometries ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Huanhuan Fang, Xiang Ji, Jiuxin Wang, Jijun Lu, Mengcheng Yang, Jiajun Li and Zhongcheng Duan
High-rise developments frequently exert adverse impacts on the outdoor wind environment, leading to a deterioration in the overall quality of urban surroundings and a reduction in the comfort levels of residents. This study systematically investigates ty...
ver más
|
|
|
|
|
|
|
|
|
|
|
Dayana Carolina Chalá, Edgar Quiñones-Bolaños and Mehrab Mehrvar
Land subsidence is a global challenge that enhances the vulnerability of aquifers where climate change and driving forces are occurring simultaneously. To comprehensively analyze this issue, integrated modeling tools are essential. This study advances th...
ver más
|
|
|
|
|
|
|
|
|
|
|
Cundong Xu, Junjiao Tian, Guoxia Wang, Haidong Lian, Rongrong Wang and Xiaomeng Hu
The vortices, backflow, and siltation caused by sediment-laden flow are detrimental to the safe and efficient operation of pumping stations. To explore the effects of water?sediment two-phase flow on the velocity field, vorticity field, and sediment dist...
ver más
|
|
|
|
|
|
|
|
|
|
|
Won-June Jeong, Seol Nam, Jong-Chun Park and Hyeon Kyu Yoon
This study aims to investigate the influence of wheel configurations on hydrodynamic resistance of an amphibious vessel through experiments and simulations. To evaluate the resistance performance associated with wheel attachments, three configurations we...
ver más
|
|
|
|
|
|
|
|
|
|
|
Bohan Liu and Sunho Park
When tidal turbines are deployed in water areas with significant waves, assessing the surface wave effects becomes imperative. Understanding the dynamic impact of wave?current conditions on the fluid dynamic performance of tidal turbines is crucial. This...
ver más
|
|
|
|
|
|
|
|
|
|
|
Carlos Sosa, Ismael Mariño-Tapia, Rodolfo Silva and Rodrigo Patiño
The numerical performance of a buoy-type wave energy converter (WEC) under regular wave conditions is described in this paper. The open-source computational fluid dynamics software OpenFOAM® was used to couple a grid for the solid body motion of the WEC,...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xuan Bai, Hao Zhan and Baigang Mi
Flow separation occurs when wind turbines operate under large inflow conditions, which seriously affects the utilization of wind energy and reduces the output power of the blade. Therefore, a composite flow control configuration for horizontal axis wind ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Huanhuan Wang, Eden Furtak-Cole and Keith Ngan
A fast pollutant dispersion model for urban canopies is developed by coupling mean wind profiles to a parameterisation of turbulent diffusion and solving the time-dependent advection?diffusion equation. The performance of a simplified, coarse-grained rep...
ver más
|
|
|
|
|
|
|
|
|
|
|
Nuno Rosa, Nelson Soares, José Costa and António Gameiro Lopes
This paper presents a numerical model for simulating melting and solidification driven by natural convection, and validates it against a previous experiment. The experiment involved filling a rectangular aluminum enclosure with RT28HC Phase Change Materi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ruixuan He, Xinjing Wang, Jian Li, Xiaodong Liu and Baowei Song
Recently, inspired by the flippers of humpback whales, researchers have been widely studying leading-edge tubercles for use as passive flow control devices. In this research, we numerically investigated the effects of leading-edge tubercles on a three-di...
ver más
|
|
|
|
|
|
|
|
|
|
|
Wenjie Li, Shibo Wang, Jianxin Xu, Jianhang Hu, Hua Wang, Yuling Zhai, Qingtai Xiao, Ge Deng and Dongbo Li
Oxygen lances are key equipment for copper converters. The effect of the lance arrangement on the mixing of a gas?slag two?phase is discussed using numerical simulation and experimental verification with a water model, and the stirring characteristics en...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xuan Bai and Baigang Mi
A submerged inlet has good stealth characteristics and a low external drag, but it also has the disadvantage of low internal flow efficiency. In view of this, a new efficiency enhancement method based on the prepositive synergistic bulge of the inlet?s a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Qiao Zhang, Chunming Dong, Zongze Shao and Donghui Zhou
The growing need for deep-sea biological research and environmental monitoring has expanded the demand for benthic landers. Compared with remotely operated vehicles (ROVs) and autonomous underwater vehicles (AUVs), benthic landers can reduce overall oper...
ver más
|
|
|
|
|
|
|
|
|
|
|
Desheng Zhang, Xin Wang, Ming Zhao, Lin Hong and Xuecheng Li
Remotely operated underwater vehicles (ROVs) have been widely used in deep-sea resource exploitation and industrial engineering operations. To perform these tasks accurately in the deep-sea environment, stable motion control has become a key area of rese...
ver más
|
|
|
|
|
|
|
|
|
|
|
Meynard Austria, Jon Patrick Garcia, Alvin Caparanga, Lemmuel Tayo and Bonifacio Doma, Jr.
Polymerase chain reaction (PCR) technique is one of the molecular methods in amplifying DNA for the detection of malaria. However, the collection and transportation of samples and the processing and dissemination of results via conventional PCR, especial...
ver más
|
|
|
|
|
|
|
|
|
|
|
Fernando Ramonet, Bahram Haddadi and Michael Harasek
Biorefinery systems play a critical role in the transition towards a sustainable bioeconomy, and bioreactors are a key component in these systems. While mechanically stirred reactors have been extensively studied, there is a lack of research on pneumatic...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zhipeng Qu, Wanyu Wang, Houdi Xiao, Yao Xiao, Guangli Li and Kai Cui
The waverider is widely used in hypersonic vehicles with its high aerodynamic performance, but due to the serious aerothermal environment, its sharp leading edge should be blunted. Circular blunt is one of the commonly used aerothermal characteristic pro...
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
|
|
|
|
|
|