ITS Ultra-Low-Mass Cooling System
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ITS Ultra-Low-Mass Cooling System. Enrico DA RIVA Manuel GOMEZ MARZOA WG4 Meeting - 10 th April 2013. D16 Prototype: C 4 F 10 thermal test results. Experimental test upgrades. 6 NTCs over prototype. Estimation of the power to room air. New configuration of the C 4 F 10 loop:

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ITS Ultra-Low-Mass Cooling System

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Its ultra low mass cooling system

ITS Ultra-Low-Mass Cooling System

Enrico DA RIVA

Manuel GOMEZ MARZOA

WG4 Meeting - 10th April 2013

  • D16 Prototype:

  • C4F10 thermal test results

WG4 Meeting - 10th April 2013


Experimental test upgrades

Experimental test upgrades

  • 6 NTCs over prototype.

  • Estimation of the power to room air.

  • New configuration of the C4F10 loop:

    • Full control of the refrigerant thermodynamic properties.

  • Full uncertainty analysis done.

WG4 Meeting - 10th April 2013


D16 prototype c 4 f 10 tests

D16 prototype: C4F10 tests

  • No-Flow tests:

    • Power dissipated/absorbed to/from to room air

    • Agreement T sensors

  • Single-phase flow tests:

    • Pressure drop

    • Energy balance

    • General uncertainty

  • Two-Phase flow tests:

    • Thermal performance

    • Two-phase pressure drop

    • Compare with correlations

D16 prototype summary.

WG4 Meeting - 10th April 2013


D16 no flow tests

D16: No-Flow tests

Procedure:

Apply low power and record the average stave temperature.

Correlate power dissipated to air vs. average stave temperature.

When cooling the stave with full power, the power dissipated/absorbed to/from air can be estimated.

WG4 Meeting - 10th April 2013


D16 c 4 f 10 single phase tests

D16: C4F10Single-phase tests

Procedure:

Apply low power densities (0.1 W cm-2).

Ensure subcooled liquid everywhere.

Check pressure drop and stave temperature.

WG4 Meeting - 10th April 2013


D16 c 4 f 10 single phase tests1

D16: C4F10Single-Phase tests

Stave picks heat from room air

WG4 Meeting - 10th April 2013


D16 c 4 f 10 two phase tests

D16: C4F10Two-phase tests

WG4 Meeting - 10th April 2013


Comparison d12 d13 d16

Comparison: D12-D13-D16

K13D2U,

1.45mm ID

K13D2U,

1.45mm ID squeezed

WG4 Meeting - 10th April 2013


D16 c 4 f 10 two phase tests1

D16: C4F10Two-phase tests

Error in ΔT: ±1.5 K !!

WG4 Meeting - 10th April 2013


D16 c 4 f 10 two phase tests2

D16: C4F10Two-phase tests

Error in ΔT: ±1.5 K !!

WG4 Meeting - 10th April 2013


D16 thermographic pictures

D16: Thermographicpictures

OUTLET

INLET

BEND

WG4 Meeting - 10th April 2013


D16 thermographic pictures1

D16: Thermographicpictures

WG4 Meeting - 10th April 2013


Its ultra low mass cooling system

ITS Ultra-Low-Mass Cooling System

Enrico DA RIVA

Manuel GOMEZ MARZOA

WG4 Meeting - 10th April 2013

  • D16 Prototype:

  • C4F10 thermal test results

WG4 Meeting - 10th April 2013


D16 c 4 f 10 two phase tests3

D16: C4F10Two-phase tests

WG4 Meeting - 10th April 2013


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