Prepare 5 pages (max. ) brief description about Multiphase flow pumps that work at high gas...

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Mechanical Engineering

Prepare 5 pages (max. ) brief description about Multiphase flowpumps that work at high gas volume fraction or percentage ( highGVF).
The report should address the following important points:
1- Differences between multiphase flow pump (for gas and liquidmixture) and single phase flow pump (for liquid).
2-Difference between multiphase (gas-liquid) flow pump at highgas percentage (say 80% and above gas) and a compressor.
3-Differences in pump head, pump speed, design and stages shouldbe addressed.
4-How can we modify a single phase flow pump (liquid only) tohandle gas-liquid flow
5-How can we modify a gas-liquid flow pump to handle gaspercentage rather than low percentage of gas

Answer & Explanation Solved by verified expert

4.4 Ratings (753 Votes)

1 Differences between multiphase flow pump for gas and liquidmixture and single phase flow pump for liquidIn the case of steam and liquid water thedensity of the two phases differs by afactor of about 1000 Therefore the influence ofgravitational body force on multiphase flows is of much greaterimportance than in the case of singlephase flowsThe sound speed changes dramatically formaterials undergoing phase change and can be orders of magnitudedifferent This significantly influences a flow through anorificeThe relative concentration of different phasesis usually a dependent parameter of great importance in multiphaseflows while it is a parameter of no consequence in singlephaseflowsThe change of phase means flowinduced pressure See Answer

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