From: Henry W. Kugel [hkugel@pppl.gov]
Sent: Wednesday, June 19, 2002 5:11 PM
To: Hutch Neilson
Cc: wblanchard@pppl.gov; reiersen@pppl.gov
Subject: Re: Leak Rate Specification

Hutch

I discussed with Bill Blanchard the Leak Rate specification for the 
NCSX First Plasma vacuum goals given in the Project Completion 
Document. The specification that we recommend is:

"A maximum global leak rate of <1x10^-4 torr-l/s will be achieved."


-Henry







>Thanks for the comments on the project completion spec.
>
>The project's detailed system test plan that will be developed will 
>call for testing of the coils and power supplies at much higher 
>levels than indicated here. However, for closing out the project we 
>need only commit to what is required to begin the research program.
>
>Henry will provide a leak rate specification. Also, Henry, please 
>see the question about dummy load test specs. Should not be 
>over-ambitious.
>
>Regarding diagnostics, there is a minimum level of performance 
>implied by the first plasma definition, i.e. at least the ability to 
>measure plasma current and take pictures.
>
>The external trim coil power supplies are needed before the end of 
>Phase II, but not for first plasma. They will be funded under 
>research prep. The additional scope has been accommodated by a 
>combination of adding money ($400k) in 06-07) and delaying other 
>research prep scope so that the external trim coil p.s. can be made 
>available when needed, which I estimate to be ~3-5 months after 
>First Plasma. The performance testing of the coils for project 
>completion will be done with a test power supply.
>
>Hutch
>Attachment converted: Macintosh HD:Project_Completion.doc 
>(WDBN/MSWD) (00032098)

-- 
H.W.Kugel, MS41, B-304                         e-Mail: hkugel@pppl.gov
Princeton Plasma Physics Laboratory               Tel: (609) 243-3146
P.O. Box 451, Princeton, NJ 08543-0451            FAX: (609) 243-3248