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Cavity Formation and Collapse Flow Model

The Effects of Flow-Inhomogeneities on Molecular Cloud Formation: Local versus Global Collapse.

The Effects of Flow-Inhomogeneities on Molecular Cloud Formation: Local versus Global Collapse.

... star formation occurs shortly after, or even during, molecular cloud ...the formation of molecular clouds :::::::::: molecular :::::: cloud ::::::::::: formation : in large-scale converging flows ...
Numerical simulation of air flow in a model of lungs with mouth cavity

Numerical simulation of air flow in a model of lungs with mouth cavity

... AIR FLOW IN A MODEL OF LUNGS WITH MOUTH CAVITY Jakub ELCNER, Frantisek LIZAL, Jan JEDELSKY, Miroslav JICHA • Abstract: The air flow in a realistic geometry of human lung is simulated with ...

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Endogenous formation and collapse of housing bubbles

Endogenous formation and collapse of housing bubbles

... analytical model and an agent-base model that lenient lending with little down payment and monthly payment in the beginning will cause endogenous formation and collapse of a bubble in the ...

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Flow-induced vibration in the compressible cavity flow

Flow-induced vibration in the compressible cavity flow

... the cavity shear layer and cavity wall. The cavity shear layer impinges on the aft wall and pressure wave returns back through the ...of cavity, it will couples with shear layer and push it ...

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Investigation of Flow Behavior of Joule Heating Flow in a 2 D Model of a Reprocessing Glass Melter Cavity

Investigation of Flow Behavior of Joule Heating Flow in a 2 D Model of a Reprocessing Glass Melter Cavity

... the cavity in the simulation and experimental ...the cavity which was cooled and maintained at a constant temperature of ...the cavity. Because AC power was applied in the cavity to generate ...

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Flow Modelling Of Nasal Cavity With Various Flow Rate

Flow Modelling Of Nasal Cavity With Various Flow Rate

... Nasal cavity is one of the organs in the human respiration system. Nasal cavity acts as the air flow passage for human ventilation and ...nasal cavity can change the flow behaviour and ...

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A Discrete Gas-Cavity Model that Considers the Frictional Effects of Unsteady Pipe Flow

A Discrete Gas-Cavity Model that Considers the Frictional Effects of Unsteady Pipe Flow

... The collapse of a large cavity at the valve and intermediate cavities along the pipe create steep pressure wave fronts that travel along the ...real flow situation as the number of computational ...

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Influence of cavity flow on turbine aerodynamics

Influence of cavity flow on turbine aerodynamics

... mean flow is accelerated in the passage, the secondary kinetic energy increases since, for an inviscid flow, the secondary kinetic energy is proportional to the square length of the vortex, the vortex being ...

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Hybrid Reynolds-Averaged/Large Eddy Simulation of the Flow in a Model SCRamjet Cavity Flameholder

Hybrid Reynolds-Averaged/Large Eddy Simulation of the Flow in a Model SCRamjet Cavity Flameholder

... for flow in and around a model scramjet combustor ...“truth” model to calibrate the Reynolds-averaged closures in a non-reacting setting prior to their use for the combusting ...

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Effects of rarefaction on cavity flow in the slip regime

Effects of rarefaction on cavity flow in the slip regime

... These averages yield moments corresponding to the den- sity, bulk velocity, internal energy, viscous stress, and heat flux, respectively. The DSMC simulations employed a hard-sphere model of argon with a molecular ...

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Modeling, simulation, and control of cavity flow oscillations

Modeling, simulation, and control of cavity flow oscillations

... of Cavity Oscillations The model-reduction techniques discussed in the previous chapter are particularly well suited to cavity ...of cavity flows is relatively simple, and exhibits qualitative ...

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Numerical Simulation of Flow over an Airfoil with a Cavity

Numerical Simulation of Flow over an Airfoil with a Cavity

... the formation of large-scale vortices and the subsequent pairing of these structures gives rise to aperiodic low- frequency oscillations that are dif ficult to characterize, because the run times are not suf ...

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Acoustic field around a transonic cavity flow

Acoustic field around a transonic cavity flow

... transonic cavity, highlighting the localisation of the sources of ...the cavity flow. This analysis shows that the time averaged flow-field drives the frequencies of the tones, while the ...

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Lid-driven cavity flow of viscoelastic liquids

Lid-driven cavity flow of viscoelastic liquids

... lid-driven cavity was analysed numerically using a finite-volume numerical methodology in combination with the log-conformation ...essentially collapse and the stream function becomes independent of aspect ...

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Presolar Cloud Collapse and the Formation and Early Evolution of the Solar Nebula

Presolar Cloud Collapse and the Formation and Early Evolution of the Solar Nebula

... There are two competing mechanisms for driving bipo- lar outflows, both of which depend on magnetic fields to sling ionized gas outward and to remove angular momen- tum from the star/disk system. One mechanism is the X- ...

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Difficulties of Computing Natural Convection Flow in an Open Cavity

Difficulties of Computing Natural Convection Flow in an Open Cavity

... convection flow in an open cavity has become an important issue to ...convection flow in open cavity with an extended computational domain around the cavity are ...turbulence ...

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Double Diffusive Natural Convective Flow Characteristics in a Cavity

Double Diffusive Natural Convective Flow Characteristics in a Cavity

... Figure 1 shows a schematic diagram of a partially heated square enclosure. The fluid in the cavity is water-based nanofluid containing Al 2 O 3 nanoparticles with Soret and Dufour coefficients. The nanofluid is ...

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Turbulence Models for Simulation of the Flow in a Rotor-Stator Cavity

Turbulence Models for Simulation of the Flow in a Rotor-Stator Cavity

... 4 Conclusions In this paper, capabilities of LES, SAS, DES, RSM and SST k − ω turbulence models to describe the flow in- side rotor-stator cavity were demonstrated. The ability to capture the vortices ...

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The effects of scaling and high subsonic cavity flow and control

The effects of scaling and high subsonic cavity flow and control

... 4.1.3 Cavity ow-eld With the increase in scale of the cavity, the mean pressure measurement results showed that the cavity flow type changes from open to ...the cavity, characterised ...

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Pressure Gradient Effects on Hypersonic Cavity Flow Heating

Pressure Gradient Effects on Hypersonic Cavity Flow Heating

... and model orientation, and they can be seen in the run images as dark ...the flow over the model surface, they will influence the local heating measurement because the ink used in the process changes ...

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