Results 41 to 50 of about 79,452 (304)

Transport and stirring induced by vortex formation [PDF]

open access: yes, 2007
The purpose of this study is to analyse the transport and stirring of fluid that occurs owing to the formation and growth of a laminar vortex ring. Experimental data was collected upstream and downstream of the exit plane of a piston-cylinder apparatus ...
Dabiri, J. O.   +4 more
core   +3 more sources

Numerical investigation on performance optimization of steam ejector considering full geometric parameters and working conditions

open access: yesCase Studies in Thermal Engineering
As an energy-saving device for energy transduction, a steam ejector has been crucial in energy saving and emission reduction, energy consumption reduction, and energy reuse.
Dongjun Guo, Jianbo Wang, Zhisong Zhu
doaj   +1 more source

Contribution of wind shear to the entrainment process of the atmospheric convective boundary layer

open access: yesTerrestrial, Atmospheric and Oceanic Sciences, 2020
Wind shear induced by the velocity difference has an important effect on the stably stratified turbulent flow in the atmospheric convective boundary layer (CBL).
Anran Li, Wenfeng Gao, Tao Liu
doaj   +1 more source

Experimental Investigation of the Performance and Spray Characteristics of a Supersonic Two-Phase Flow Ejector with Different Structures

open access: yesEnergies, 2020
A two-phase flow ejector is an important part of a water mist fire suppression system, and these devices have become a popular research topic in recent years. This paper proposes a supersonic ejector that aims to improve the efficiency of water mist fire
Shizhen Li   +4 more
doaj   +1 more source

Flow and air-entrainment around partially submerged vertical cylinders [PDF]

open access: yes, 2019
In this study, a partially submerged vertical cylinder is moved at constant velocity through water, which is initially at rest. During the motion, the wake behind the cylinder induces free-surface deformation. Eleven cylinders, with diameters from $D=1.4$
Ageorges, Valentin   +2 more
core   +8 more sources

Air entrainment and pressure drop in low-cost ejectors [PDF]

open access: yesAnais da Academia Brasileira de Ciências, 2020
This study investigated experimentally the air entrainment and pressure drop in low-cost ejectors composed of two pieces shaped from PVC bars inserted in a 25 mm T-junction of the same material.
DANIEL D. LIMA, IRAN E. LIMA NETO
doaj   +1 more source

Impact of Boundary Conditions on Entrainment and Transport in Gravity Currents [PDF]

open access: yes, 2006
Gravity currents have been studied numerically and experimentally both in the laboratory and in the ocean. The question of appropriate boundary conditions is still challenging for most complex flows.
Boñgolan-Walsh, Vena Pearl   +4 more
core   +2 more sources

Detonation interaction with an interface [PDF]

open access: yes, 2007
Detonation interaction with an interface was investigated, where the interface separated a combustible from an oxidizing or inert mixture. The ethylene-oxygen combustible mixture had a fuel-rich composition to promote secondary combustion with the ...
Lieberman, D. H., Shepherd, J. E.
core   +1 more source

Effects of Shock Wave Phenomenon on Different Convergent Lengths in the Mixing Chamber of the Steam Ejector

open access: yesInternational Journal of Applied Sciences and Smart Technologies, 2021
The shock wave phenomenon is a phenomenon in a steam ejector that caused when the working fluid has high pressure, and suddenly it turns into low pressure and high speed.
Stefan Mardikus
doaj   +1 more source

Design and implementation of MIMO-long term evolution-advanced to support larger bandwidth [PDF]

open access: yes, 2013
The migration of mobile communication technologies are divided into four generations. Long Term Evolution (LTE) is called LTE rel-8, the evolution of LTE led to new technology referred to as LTE-Advanced, is the true fourth generation (4G) evolution
Alashqer, Aws Zuheer Yonis
core   +1 more source

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