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Cooling Plant

Definition of the cooling plant of the Barrel EMC. Preliminary version to show the concept. Authors: P. Rosier, C. Le Galliard, January 2011:

link to EDMS (EDMS account required)

Definition of the chiller of the cooling plant (P. Rosier) Jan. 2014


Prototype Cooling

A prototype cooling system for the forward endcap and one barrel slice was developed at IPN Orsay. Currently (2016) it is located at the Ruhr-Universitaet Bochum.

Environmental conditions in the PANDA hall (as of 2021)

H0417A.E10.200 (beam area)
  • Temperature: min. 20°C, max.26°C
  • Rel.humidity: min. 30 % rel. H., max. 40 %rel. H
  • Maximum dew point 11.5°C

H0417A.E10.201 (set up area)
  • Temperature: min. 20°C, max.26°C
  • Rel.humidity: min. n/a, max. 70 %rel. H

General Parameters for the Cooling

Calculation of required cooling power from the flow and temperature difference:


Forward Endcap EMC

Thermal Load
  • Total 2459 W
    • 2315 W main cooling (APD modules 633 W, VPTT modules 119 W, insulation 156 W, cable feedthroughs 1407 W (+25 degree outside temperature))
    • 64 W side cooling
    • 80 W front cooling
  • With temperature difference of 1 K resulting in a flow of 50.5 l/min. --> 60 l/min

-- FritzHerbertHeinsius - 11 Mar 2021

Topic attachments
I Attachment Action Size Date Who Comment
2015-07_NOTICE_COMPLETE_RETROFIT.pdfpdf 2015-07_NOTICE_COMPLETE_RETROFIT.pdf manage 4883.7 K 07 Apr 2016 - 09:40 FritzHerbertHeinsius Eurodifroid cooling machine technical manual
EMC-COOLING-Plant-Chiller-140113.pdfpdf EMC-COOLING-Plant-Chiller-140113.pdf manage 263.0 K 31 Aug 2015 - 11:53 FritzHerbertHeinsius Definition of the chiller
Eurodifroid_leakless_pump__User_manual.pdfpdf Eurodifroid_leakless_pump__User_manual.pdf manage 8783.2 K 07 Apr 2016 - 09:39 FritzHerbertHeinsius User manual: The cooling system
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Topic revision: r5 - 18 Feb 2022, FritzHerbertHeinsius
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