Results 11 to 20 of about 18,257 (270)

Numerical Study on the Effect of an Off-Surface Micro-Rod Vortex Generator Placed Upstream NACA0012 Aerofoil [PDF]

E3S Web of Conferences, 2021
In this paper, 3D numerical simulations have been carried out to enhance the understanding of a flow over a passive control device composed of micro cylinder with, d/c = 1.34% placed in the vicinity of NACA0012 aerofoil wing, by means of γ–Reθt ...
Larabi Abderrahim, Pereira Michael, Ravelet Florent, Azzam Tarik, Oualli Hamid, Menfoukh Laiche, Bakir Farid   +6 more
doaj   +1 more source

The Efficiency Comparison of Hydro Turbines for Micro Power Plant from Free Vortex

Energies, 2021
In this research paper, the relationship between a crossflow turbine and propeller turbine size changes and the pond size in a free vortex power generation system was investigated.
Piyawat Sritram, Ratchaphon Suntivarakorn   +1 more
doaj   +1 more source

Etude numérique de l’effet des générateurs de vortex longitudinaux sur le transfert thermique d’un écoulement laminaire traversant un micro-canal

Revue des Énergies Renouvelables, 2022
We conducted, in this work, a three-dimensional numerical study of forced convection heat transfer of a laminar flow of water passing through micro-channels with and without longitudinal vortex generator, using the CFD code “Ansys- Fluent”.
Azeddine Soudani, Zoubir Belkacemi, Imane Rahmoune   +2 more
doaj   +1 more source

Theoretical Model and Numerical Analysis of the Tip Leakage Vortex Variations of a Centrifugal Compressor

Aerospace, 2022
A centrifugal compressor of a micro turbine generator system is investigated by the theoretical model and numerical analysis to explore the characteristics of the tip leakage vortex as the centrifugal compressor approaches stall. The numerical simulation
Shuli Hong, Jun Chi, Xin Xiang, Weiyu Lu
doaj   +1 more source

Double chamber meso scale vortex combustor for micro scale electric generator based on thermo electric generator

Energy Reports, 2023
Research on micro/meso combustor-based small-scale power plants is developing rapidly. This rapid development is motivated by a higher energy density than lithium-ion batteries.
Herman Saputro, Laila Fitriana, Aris Purwanto, Riyadi Muslim, Fudhail A. Munir, Wei-Cheng Wang   +5 more
doaj   +1 more source

Numerical and Experimental Investigations of Micro Thermal Performance in a Tube with Delta Winglet Pairs

Micromachines, 2021
In this research, a novel vortex generator (VG) is presented. The experimental and numerical investigations were carried out to study the micro thermal-hydraulic performance in a heated tube.
Jiangbo Wang, Ting Fu, Liangcai Zeng, Guang Chen, Fue-sang Lien   +4 more
doaj   +1 more source

An asymmetric flow-focusing droplet generator promotes rapid mixing of reagents

Scientific Reports, 2021
Nowadays droplet microfluidics is widely used to perform high throughput assays and for the synthesis of micro- and nanoparticles. These applications usually require packaging several reagents into droplets and their mixing to start a biochemical ...
K. I. Belousov, N. A. Filatov, I. V. Kukhtevich, V. Kantsler, A. A. Evstrapov, A. S. Bukatin   +5 more
doaj   +1 more source

Research Progress on Supersonic Mixing Enhanced by Vortex Generators [PDF]

Hangkong bingqi
Efficient mixing of fuel and air under supersonic conditions is important for achieving efficient combustion in scramjet and combined-cycle combustion chambers.
Xie Haiwei, Zhang Dongdong, Wang Pengren, Xu Zheng, Tan Jianguo
doaj   +1 more source

Prospect of Micro Power Generation Utilizing VIV in Small Stream Based on Verification Experiments of Power Generation in Water Tunnel

Journal of Fluid Science and Technology, 2013
The target of this research is to develop a micro electric power generator for a low cost small river monitoring device. Firstly, the power generation by vortex induced vibrations (VIVs), its performance coefficient and the optimum condition of the ...
Mizuyasu KOIDE, Takahiro SEKIZAKI, Shuichi YAMADA, Tsutomu TAKAHASHI, Masataka SHIRAKASHI   +4 more
doaj   +1 more source

Comparative study of wall shear stress at the ascending aorta for different mechanical heart valve prostheses [PDF]

, 2019
An experimental study is reported which investigates the wall shear stress (WSS) distribution in a transparent model of the human aorta comparing a bileaflet mechanical heart valve (BMHV) with a trileaflet mechanical heart valve (TMHV) in physiological ...
Bruecker, C., Li, Q.
core   +1 more source