Carl Sundquist
Guest
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 Posted: Tue Feb 17, 2004 5:26 am Post subject: Freezing water in pipes |
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Please accept my apologies if this an inappropriate or repetitive
question for this NG:
I am trying to find out the bursting characteristics of water in a
pipe.
I am lacking any particular knowledge in fluid dynamics or structural
engineering, so most of my thoughts have been nothing more than
intuitive.
- Just as water boils at different temperatures for different
atmospheric pressures (altitudes), does water freeze at different
temperatures for different pressures?
- How do flow rates affect freezing points? I presume there will be a
relationship between volume, pressure, pipe diameter.
- As the water freezes from the top of the pipe downward, would the
bursting of the pipe generally occur in the same place longitudinally
(with respect to the pipe) or would the bursting point be more related
to stress points from manufacturing within the pipe itself?
- Would it be possible to place a pliable tube pressurized with air
within the pipe that could compress to absorb the expansion caused by
ice, or are the characteristics of freezing such that the ice forms in
too many directions to create an effective "cushion" (presuming the
pipe is rigid)?
How much difference in would there be in the different pipe schedules
in terms of how readily a pipe will burst?
Thanks for all opinions and information! |
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