Latexman,
I agree with your assessment of what happened. Do you have any references for calculating the negative pressure developed by the discharge?
Thanks!
Latexman,
The tail pipes are not mitered, they are 90 degrees with the axis. The tail pipes go through the building wall at 45 degrees. (Sorry about my description not being clear enough.)
We have a security camera video of the event and the tail pipes do not appear to have "thrust" back...
The main steam crossunder safety relief valves lifted at our power station, which resulted in blowing off the Turbine Building siding directly above the tail pipe discharges. The discharge tail pipes for these relief valves exit the side of the Turbine Building on a 45 degree angle about 40...
2 - 16"x24" SRVs at 1,426,360 lbs/hr and 236 psig
1 - 16"x24" SRVs at 1,403,408 lbs/hr and 232 psig
2 - 8"x10" SRV at 845,000 lbs/hr and 230 psig
1 - 6"x8" SRV at 210,000 lbs/hr and 225 psig.
Don't know what the sound levels were.
The main steam crossunder safety relief valves lifted at our power station, which resulted in blowing off the Turbine Building siding directly above the tail pipe discharges. The discharge tail pipes for these relief valves exit the side of the Turbine Building about 40 feet from the roof...