The characteristics of turbulent bubbly regime of gas and liquid flow in a horizontally oriented large pipeline have been presented. Various techniques such as hot film anemometer, Pitot tube, miniature pressure transducers and orifice meters were successfully employed to measure the two-phase flow ...
Two-dimensional turbulent flow over a surface-mounted obstacle is studied as a numerical experiment that takes place in a wind tunnel. The transient Navier-Stokes equations are solved directly with Galerkin finite elements. The Reynolds number defined with respect to the height of the wind tunnel ...
In this paper, a two-fluid model of turbulent two-phase flow is used to simulate turbulent stratified flows. This is a unified multi-fluid model for the motion of each phase in the flow, whose turbulent transport is closed by a two-phase k–ε model. The exchanges of mass, momentum and...
TurbulentDiscrete phase modelTwo-phase flowFinite element analysis of turbulent two-phase flow and heat transfer was conducted in the present investigation to analyze the effect of adding Al2O3 nanoparticles to the minimum quantity lubrication (MQL) cooling fluid on the cutting tool temperature ...
The present paper explores the characteristics of turbulent flow and drag over two artificial 2-D forward-facing waveform structures with two different stoss side slopes of 50deg and 90deg, respectively. Both structures possessed a common slanted lee side slope of 6deg. Flume experiments were condu...
A thermodynamically conservative two dimensional turbulent model is proposed and the two phase turbulent flow with high Reynolds number in a vertical duct is calculated by using the SIMPLER algorithm. The no slip and slight slip conditions are applied to the gas and particle phase on the duct wall...
Secondary flowRough wallHeat transferExperiment and analysis.An experimental and analytical study was conducted on a fully developed turbulent flow in a square duct, two opposite walls of which had been roughened. The flow was measured by means of a hot-wire anemometer. The calculation was ...
Interfacial instability of turbulent two-phase stratified flow: Multi-equation turbulent modelling with rapid distortion Spelt, Interfacial instability of turbulent two-phase stratified flow: pressure-driven flow and non-Newtonian layers, J. Non- Newton. Fluid Mech. 165 (9... LÓ Náraigh,P Spelt...
It is desirable to use computational fluid dynamics for optimization of the in-cylinder processes in low-speed two-stroke uniflow-scavenged marine diesel engines. However, the complex nature of the turbulent swirling in-cylinder flow necessitates experimental data for validation of the used turbulence...
Ingvorsen KM, Meyer KE, Walther JH, Mayer S. Turbulent swirling flow in a model of a uniflow-scavenged two-stroke engine. Exp Fluids 2013;54:1494.INGVORSEN K M,MEYER K E,WALTHER J H,et al. Turbulent swirling flow in a model of a uniflow-scavenged two- stroke engine[J]. ...