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Beam tests of an integrated TPC endplate with 2-Phase CO2 cooling. Gaseous detectors, upgrade of the Large Prototype at DESY Integration of endplate and module systems. P. Colas. Menu. Integration of electronics Cooling Advantages of 2PCO2 TRACI Test on one module at NIKHEF

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beam tests of an integrated tpc endplate with 2 phase co2 cooling

Beam tests of an integrated TPC endplatewith 2-Phase CO2 cooling

Gaseous detectors, upgrade of the Large Prototype at DESY

Integration of endplate and module systems

P. Colas

slide2
Menu
  • Integration of electronics
  • Cooling
    • Advantages of 2PCO2
    • TRACI
    • Test on one module at NIKHEF
    • Test on 7 modules at DESY Test Beam
  • Spending
  • Future (AIDA 2?)

TPC module integration

integration of electronics
Integration of electronics
  • AFTER-basedelectronics (T2K) must beminiaturized to fit behind a module within 5cm and 0.25 X°.
  • This has been achieved (within AIDA) (62700 € in 2013)

TPC module integration

integrated electronics

This is for AFTER chips. Similarworkisbeingdonewith S-ALTRO

Integrated electronics
  • Remove packaging and protection diodes
  • Wire-bond AFTER chips
  • Use two 300-point connectors

Front-End Card

(FEC)

25 cm

4.5cm

12.5cm

14 cm

3.5cm

2.8cm

0.78cm

3.5cm

AFTER Chip

0.74cm

  • The resistive foil protects against sparks
cooling why 2 phase co2
COOLING: why 2-phase CO2?
  • Lowviscosityallowsverysmall pipe diameter and lowDP.
  • Very large latent heat and heatcapacitymakesit an excellent cooler
  • Can work at room temperature (avoidsdripping water by condensation)
  • Howeverneedsvery high pressures (50 bar for 20 degrees)

TPC module integration

cooling why 2 phase co21
COOLING: why 2-phase CO2?

TPC module integration

cooling traci
COOLING: TRACI
  • Weused the TRACI purchased by KEK and installed at DESY in February 2014.

TPC module integration

cooling tests at desy 7 modules1
COOLING: Tests at DESY (7 modules)

7 temperature probes

(1 per FEC, 1 FPGA)

TPC module integration

spending
SPENDING
  • The ‘plumbering for the coolingcosted about 22 k€ in 2014.
  • 100% of the spending for this has been used. The resultsoverpass the initial goals.

TPC module integration

outlook
outlook
  • New materials. (Ex: TPG) lighterthan Al, withtwicebetter thermal conductivity
  • New technique (3D printing) allows micro-channels to bebuilt

TPC module integration

summary
Summary
  • A demonstration of full integration of an endplate meeting the requirements of a LC TPC has been made.
  • A first try of using 2PCO2 for a TPC has been made, showingthatthis solution isvery attractive.
  • This opens the way to furtherdevelopments, using new materials (TPG) and new techniques (3D printing) to getuniformtemperatureacross the endplate.

TPC module integration