MadSci Network: Engineering
Query:

Subject: Why does air trapped in a system of water filled pipes cause flow to 'Lock'

Date: Wed Oct 8 04:29:29 2003
Posted by Richard
Grade level: nonaligned School: No school entered.
City: No city entered. State/Province: London Country: United Kingdom
Area of science: Engineering
ID: 1065605369.Eg
Message:

We all know that air trapped in a system of pipes can cause the flow to block 
and create effects such as water hammer - we cure it by adding fluid to the 
system at a high pressure and allowing the air to bleed off. But why should air 
in a pipe stop the water  the system flowing in the first place? Why doesnt the 
water just partially fill the portion of the pipe filled with air and continue 
to flow?


Re: Why does air trapped in a system of water filled pipes cause flow to 'Lock'

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