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Gas Pressure Testing for ALICE Cooling System at CERN

This report outlines the gas pressure tests conducted on the SDM cooling system for the ALICE experiment at CERN, detailing pressure conditions and thermal measurements. Conducted by Claudio Bortolin, Romualdo Santoro, Rosario Turrisi, and Martin Janda, the tests on 17/10/2001 and 18/10/2001 recorded varying pressures and thermal performance. Key pressure readings included P_gas levels of 1.63 bar to 1.9 bar and total heat loads exceeding 80% under various configurations. Findings support the readiness of the ALICE setup for beam tuning.

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Gas Pressure Testing for ALICE Cooling System at CERN

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  1. SPD Cooling: Gas pressure tests Claudio Bortolin – CERN Romualdo Santoro – CERN Rosario Turrisi – INFN PD Martin Janda– CTU (Prague)

  2. DSF Pgastest: 17/10/2001 2- bar 150W (No interlock) 1.5 bar - 100 W (interlock)

  3. DSF Pgastest: 18/10/2001

  4. P2 Pgastest: beginning Pliq= 6,1 bar – Pgas=1,63 bar Total HSs ON= 77 (Tmed = 29.6º C)

  5. P2 Pgastest: MAX HSs Pliq= 6,1 bar – Pgas=1,9 bar Total HSs ON= 83 (Tmed = 32.8º C)

  6. P2 Pgastest: final condition Pliq= 6,1 bar – Pgas=1,8 bar Total HSs ON= 81 (Tmed = 31.7º C)

  7. Temperature variation ALICE Ready Pgas=1.8 bar Pgas=1.9 bar ALICE Ready ALICE Beam tuning

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