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Ambient conditions in P5

Ambient conditions in P5. 17 Oct 2016 Ian Crotty. RB temperatures. Technical stop 12- 16 Sept 2016. WB0 temp response during TS. RE Temperatures. Some level of instabilities after TS. R E +1 has the only noisy channels. Temp. increase after TS Greater oscillation in RE1s after TS

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Ambient conditions in P5

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  1. Ambient conditions in P5 17Oct 2016 Ian Crotty

  2. RB temperatures Technical stop 12- 16 Sept 2016

  3. WB0 temp response during TS

  4. RE Temperatures Some level of instabilities after TS

  5. RE +1 has the only noisy channels • Temp. increase after TS • Greater oscillation in RE1s after TS • Noise is present only on RE+1

  6. RE temperatures 2016 Noise increase REP1 On 24 June 2016

  7. RE Decrease in temp since March 0.5 deg decrease

  8. Humidity

  9. Temp REs 2015

  10. FOS what do they tell us CAEN ADC temp sensors on RE1, 2 & 3 FOS temp sensors on RE2, 3 & 4

  11. RE+2/2/1-6 FOS since Oct 2015

  12. RE+2/2/1-6 FOS since Oct 2015

  13. Temp differences year 2016

  14. RE+2/2/19-24 FOS since Oct 2015

  15. RE+2/2/19-24 FOS since Oct 2015

  16. Temp differences

  17. RE+2/3/19-24 FOS since Oct 2015

  18. RE+2/3/19-24 FOS since Oct 2015

  19. RE+2/3/19-24 FOS since Oct 2015

  20. Currents of RE+2/3/20 (and 28)

  21. RE+2/3/20

  22. Temp difference top to bottom

  23. RB Wheel-1 Imperceptible temp change since April 2016

  24. RB Wheel 0 0.1degC temp change since April 2016

  25. Alarm in UXC55 >22degC Large prolonged excursions are rare over the last 7 years

  26. Conclusions • Temperature instabilities in RE+1 & RE-1 after TS. • Temperature increase after TS. • Noisy channel RE+1/1/C01 after 24June2016 • RE temperatures decrease since April by 0.5degC • Fos ? • RE+2/3/20 has increasing temp but no(?) current increase.

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