Cryogenic System in Building 902A

The cryogenic facility in B902 is primarily used for testing superconducting magnets and cables.  Under special occasions and on an emergency basis, we also provide liquid helium to on site users.

 

Will boiling occur inside a large LAr cryostat for TPC - August, 2010
     pps (annimated)    pdf (no annimation)     Download Free PowerPoint Viewer

7 Bottles of Left Over Krypton in Physics Dept. - September, 2010
     pps      pdf      Download Free PowerPoint Viewer

A study of LHC type Incident at RHIC - February, 2009
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     Evaluation of safety issues for RHIC and LHC    pdf    pps

     Review ODH for LHC and comparison with RHIC    pdf    pps

     Report    pdf

 

Overview
The facility consists of Helium Refrigerators, vertical test area, horizontal area, compressor systems, liquid helium storage, liquid nitrogen storage, gas storage and gas recovery system. 

Operation

Summary
2000-2004

	Recent	PAT Turbine	Commonly Used Data
	2005	HEUB:	$ and Cents
	2004	LN2 HX Installation	Fun Cryogenics
	2003	Leak Rate - Old HX
	2002
	2001	RF Gun B939
	2000
	Detailed Logs

Documented Tests

LHC - IR Magnets

D3L101 (November 2004)
D4L102 (May 2004)
D4L101 (March 2004)
D2L109 (November 2003)
D2L108 (October 2003)
D2L107 (September 2003)
D2L106 (Part 2, July 2003)
D2L106 (Part 1, June 2003)
D2L105 (April 2003)
Bay C Oil Removal (March, 2003)
D2L104 (Part 2 Jan 2003)
D2L104 (Part 1 Nov-Dec 2002)
D2L103 (August 2002)
D2L102 (June 2002)
D2L101 (April 2002)

D1L101 (December 2003)
D1L102 (June 2002)
D1L104 (May 2002)
D1L103 (March 2002)
D1L101 (January 2002)
D1L105 (November 2001)

DESY - Luminosity upgrade

GG   (February 2001)
GO1 (May 2000)

Magnet Cooling Schemes

Supercritical Cooling vs Pool Boiling

Contact: kcwu@bnl.gov  or wmckeon@bnl.gov

Last update on: November 17, 2010 by D. McChesney.