Numerical Investigation of Aerosolization in the Venturi Dustiness Tester: Aerodynamics of a Particle on a Hill [0.03%]
文式尘度测试仪气溶胶化数值研究： hill上颗粒物的气动行为研究
Nithin Kumar Palakurthi,Urmila Ghia,Leonid A Turkevich
Nithin Kumar Palakurthi
Understanding particle detachment from surfaces is necessary to better characterize dust generation and entrainment. Previous work has studied the detachment of particles from flat surfaces. The present work generalizes this to investigate ...
Message Passing Interface Parallelization for Two-Way Coupled Euler-Lagrange Simulation of Microbubble Enhanced HIFU [0.03%]
消息传递接口并行化在微气泡增强型HIFU双向偶联欧拉-拉格朗日仿真中的应用
Jingsen Ma,Aswin Gnanaskandan,Chao-Tsung Hsiao et al.
Jingsen Ma et al.
Microbubble enhanced high intensity focused ultrasound (HIFU) is of great interest to tissue ablation for tumor treatment such as in liver and brain cancers. To accurately characterize the acoustic and thermal fields during this process, a ...
Application of an Intermittency Model for Laminar, Transitional, and Turbulent Internal Flows [0.03%]
间歇性模型在层流、过渡和湍流内部流动中的应用
J P Abraham,E M Sparrow,J M Gorman et al.
J P Abraham et al.
A turbulent transition model has been applied to fluid flow problems that can be laminar, turbulent, transitional, or any combination. The model is based on a single additional transport equation for turbulence intermittency. While the orig...
Zhe Lin,Dapeng Yin,Junyu Tao et al.
Zhe Lin et al.
In this study, computational fluid dynamics (cfd) software and detached eddy simulation turbulence model were used to simulate butterfly valves with different designs. The effects of shaft diameters on the value and the fluctuation of valve...
Computational Study of the Effect of Homogeneous and Heterogeneous Bubbly Flows on Bulk Gas-Liquid Heat Transfer [0.03%]
均匀和非均匀含气流对整体气液热传的影响之计算研究
Nithin S Panicker,Alberto Passalacqua,Rodney O Fox
Nithin S Panicker
A numerical investigation is performed on buoyancy-driven homogeneous and heterogeneous bubbly flows to compare the bulk gas-liquid heat transfer effectiveness for Prandtl (Pr) numbers 0.2-20 and void fractions 〈 α g 〉 0...
John-Luke Singh,Yechun Wang,Yan Zhang et al.
John-Luke Singh et al.
Return bends are frequently encountered in microfluidic systems. In this study, a three-dimensional spectral boundary element method for interfacial dynamics in Stokes flow has been adopted to investigate the dynamics of viscous droplets in...
Flow and Particle Dispersion in Lung Acini: Effect of Geometric and Dynamic Parameters During Synchronous Ventilation [0.03%]
同步通气时肺单位内的流动与颗粒扩散：几何和动态参数的影响
Sudhaker Chhabra,Ajay K Prasad
Sudhaker Chhabra
The human lung comprises about 300 million alveoli which are located on bronchioles between the 17th to 24th generations of the acinar tree, with a progressively higher population density in the deeper branches (lower acini). The alveolar s...
Chengyu Li,Haibo Dong,Kai Zhao
Chengyu Li
Insects can detect and locate distant odor sources (food, mate, etc.) by tracking odor plumes, which is key to their survival. During an odor-guided navigation, flapping wings have been speculated to actively draw odorants to the antennae a...
The Effect of a Pressure-Containing Correlation Model on Near-Wall Flow Simulations with RST Models [0.03%]
压力相关模型对RST模型近壁面模拟的影响
Svetlana V Poroseva
Svetlana V Poroseva
It is accustomed to think that turbulence models based on solving the Reynolds-Averaged Navier-Stokes equations require empirical functions to accurately reproduce the behavior of flow characteristics of interest, particularly near a wall. ...
Parametric Study and Optimization of Flow Characteristics of Wire-Nonparallel Plate-Type Electrostatic Air Accelerators [0.03%]
电热线板型静电空气净化器流场特性参数化研究与优化
J F Zhang,S Wang,H Y Li et al.
J F Zhang et al.
Wire and nonparallel plate electrode-type electrostatic air accelerators have attracted significant interest. The physical process involved in using accelerators is complicated. Moreover, mechanisms are unclear, especially for accelerators ...