14 April 2010 J.Daguin / PH-DT-PO 1

NA62 GTK MICROCHANNELS COOLING TESTAND

News and updates

14 April 2010 2

COOLING UNIT

• Pump has been repaired.Failure was due to impurities of the previous pump in the circuit…

• Circuit needs to be cleaned.

• Unit will be ready begining of may.

J.Daguin / PH-DT-PO

14 April 2010 3

A new cooling unit as been found to feed our teststand.

Smaller capacity (3 bar). Works only at room temp.

But this allows us to start to work with the teststand…

J.Daguin / PH-DT-PO

… And that’s what we did !!!First run in bypass yesterday afternoon…

It behaves as expected !!!

TESTSTAND

14 April 2010 4

TESTSTAND

A single channel sample was aslo tested but we couldn’t circulate fluid inside it.

Bubbles were stuck in the circuit.

We need to include a vacuum pump into our teststand.

J.Daguin / PH-DT-PO

Tests are ongoing…… Results soon !!!