Questions tagged [multiphase-flow]

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Valve/Filter allowing through gas only, no liquid

I need to devise a way to ensure only NG passes through a pipe, and no condensates or other liquids. It is ok to shut down the pipeline if liquids would be detected. The dimensions involved are small ...
31 views

How to infer from the volume fraction function whether a flow is transient or steady?

Hello dear engineering community. I have a specific question about multiphase flows. I was wondering if anybody could help me with it, please. Assume, I have a one dimensional water-air flow. Air is ...
19 views

Finding flow rate contribution from difference in temperature

Currently I am working on a DTS(Distributed Temperature Sensor)data and PLT data and I need to figure out a relationship between temperature and fluid flow-rates in various locations (depths) of the ...
79 views

Modelling gas desorption from a still solution (e.g. a beer)

The common way to model or estimate gas (e.g. CO2) desorption rate from a liquid solution is by using an equation similar to this one $J_{CO_2} = -k_L a(H·C^G_{CO_2} - C^L_{CO_2})$ where $J_{CO_2}$ ...
28 views

Determination of solid bed fluidisation

How would one determine if a fluidised bed (with liquid flow) is determined to be a stable fluidised bed, which subsequently doesn't form a plug or bed at the top of a column (bounded by frits), when ...
135 views

Multiphase Flow - Energy Coupling Parameter

I have a general question regarding energy coupling in multi phase flow. My question comes is based on the text from this book: https://books.google.co.uk/books?id=CioXotlGMiYC&pg=PA33&lpg=...
148 views

How do the bubble oscillations in two-phase flows affect the dissipation rate of turbulent kinetic energy?

I am investigating the effects of bubble oscillations (calculated using the Rayleigh-Plesset equation for bubble dynamics) on the turbulence in two-phase flows. Since I am using cryogenic fluids, the ...