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Cryo Ops 2008

22–26 Sept 2008
CERN
Europe/Zurich timezone
<font color="red">WARNING: 29th August, 2008 registration deadline</font>

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Session

OPERATION 2

OP2
24 Sept 2008, 09:00
503/1-001 - Council Chamber (CERN)

503/1-001 - Council Chamber

CERN

162
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Description

Practical engineering (layout, ergonomic design ..), operational management applications and techniques, utility management, manpower scheduling, refrigerant loss detection and control of system contamination, feedback for optimized design

Presentation materials

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  1. 1. Cryogenic improvements for the ATLAS accelerator energy upgrade
    Mr Stephen MacDonald (Argonne National Laboratory)
    24/09/2008, 09:00
    OPERATION
    The ATLAS accelerator is a product of staged construction beginning in 1978. It serves as a national user facility for accelerating heavy ions at energies in the vicinity of the Coulomb barrier. The accelerator is divided into 3 sections with a refrigerator cooling each section through an interconnected forced flow distribution system. ATLAS acquired a CTI model 2800 from Lawrence Livermore...
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  2. 19. Description of the flexible large scale Cryogenic test facility at CEA Grenoble and various test experiments connected over the past years
    Mr Pascal ROUSSEL (CEA Grenoble)
    24/09/2008, 09:30
    OPERATION
    This test facility at CEA Grenoble mainly consists of an helium refrigerator whose flexible operation permits various types of experiments or test benches to be coupled to it. This presentation first introduces the qualification of the performances of our helium refrigerator, able to cover a wide range of temperature, from 1.5K to 4.5K. Then we describe through several experiments successively...
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  3. 3. Refrigeration Recovery for Experimental Hall High Target Loads
    Mr Peter Knudsen (Jefferson Laboratory)
    24/09/2008, 10:30
    OPERATION
    The End Station Refrigerator (ESR) at Jefferson Lab (JLab) supports three experimental halls. The refrigerator for the ESR, a CTI 1500 W 4.5-K refrigerator designed in the late 1970’s, is capable of supporting a 1250 W target load at 15 K (simultaneously with a 1100 W 4.5-K refrigeration load). This plant has been routinely supporting 15-K target loads, as well as 4.5-K magnet loads, since...
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  4. 8. Floating pressure conversion and equipment upgrades of two 3.5KW, 20K, helium refrigerators
    Dr Ahmed Sidi-Yekhlef (Jefferson Laboratory), Mr Jonathan Homan (NASA-Johnson Space Center)
    24/09/2008, 11:00
    OPERATION
    Two helium refrigerators, each rated for 3.5KW at 20K, are used at NASA’s Johnson Space Center (JSC) to provide cryo-pumping within two large thermal-vacuum chambers. These refrigerators were originally commissioned in 1996. Equipment refurbishment and upgrades of the controls of these refrigerators were recently completed. This paper describes some of the mechanical and control issues that...
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  5. 6. SPIRAL2 Cryogenic System
    Mr Mehdi SOULI (GANIL/IN2P3, CNRS)
    24/09/2008, 11:30
    OPERATION
    SPIRAL2 is a rare isotope accelerator which will based at GANIL, it is dedicated for the production of high intensity radioactive beams (E=40Mev, I=5mA). The driver of SPIRAL2 is a Linac, it uses bulk niobium superconducting RF cavities cooled with liquid helium. The cryogenic transfer line of the Linac is composed of about 20 valves boxes which su[[ly two types of helium cryogenic lines: The...
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