From: "Kevin Power" <[EMAIL PROTECTED]> I will pass this on to Peter Condon who will give you a reliable answer.
Kevin ----- Original Message ----- From: "John Ryan" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, December 10, 2002 11:33 AM Subject: [AIRNEWS] MRI - Quench > From: "John Ryan" <[EMAIL PROTECTED]> > > > Dear MRI buffs, > In the design phase for a new facility some questions has been raised > regarding the dispersion of the helium discharged from a quench pipe > following a quench. > 1. how long does the quench last > 2. what personnel exclusion zone is required adjacent to the outlet from a > quench pipe. > 3. as the helium rises, how does the gas "bubble" expand, what is the rate > of dispersion, at what height above the pipe would a person be safe. This > relates to building workers constructing an adjacent high rise building. > Any answers or appropriate references will be most appreciated. Either my > search techniques are wanting or there is not much written. > > John Ryan > > > > > _________________________________________________________________ > Add photos to your e-mail with MSN 8. Get 2 months FREE*. > http://join.msn.com/?page=features/featuredemail > > > > +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+= > This message is being broadcast by AIRNEWS, > the Australian Institute of Radiography list Server > > Send messages to [EMAIL PROTECTED] > For assistance send mail to [EMAIL PROTECTED] > Commands should be sent to [EMAIL PROTECTED] > > Opinions expressed on this list are not necessarily those of the > moderator, his assistants or those of the A.I.R. > +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+= This message is being broadcast by AIRNEWS, the Australian Institute of Radiography list Server Send messages to [EMAIL PROTECTED] For assistance send mail to [EMAIL PROTECTED] Commands should be sent to [EMAIL PROTECTED] Opinions expressed on this list are not necessarily those of the moderator, his assistants or those of the A.I.R.
