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Guess water hammer is even more dangerous than I thought!
Tony Conner_2
Member Posts: 443
... www.kirsner.org. He investigates waterhammer accidents just like this one. He's authored some excellent articles, and they're posted on his site. He is THE waterhammer guy.
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Guess water hammer is even more dangerous than I thought!
http://news.yahoo.com/s/ap/20070718/ap_on_re_us/manhattan_explosion0 -
Go To Wayne Kirsner's Website At...
... www.kirsner.org. He investigates waterhammer accidents just like this one. He's authored some excellent articles, and they're posted on his site. He is THE waterhammer guy.0 -
Ah the Big Apple
Quite typical for the Big Apple just not on such a scale. Having been a steam troglodyte as a kid you see stuff like this or the potential for this. Occasionally when the tunnel floods the insulation saturates heat loss goes way up and starts condensing at a rate greater then the trapping can handle or it cruds up and trap fails shut. Then the water slug is accelerated to a turn usually an elevation change and the pipe or fittings separate.Depending on location back then you could have 180 - 200 psig steam in the east 40's.Between the gas leaks Con Ed's powerlines in the tunnels Manholes would pop on a regular schedule. The standing joke was that visitors could keep any manhole cover they could catch.0
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