Search results

Create the page "Dilution cooler" on this wiki! See also the search results found.

• HFI design, qualification, and performance
  ...operated at a temperature of ~0.1 K by means of a space qualified dilution cooler coupled to a high precision temperature control system. A 4He-JT system pro .... The focal plane unit is attached to the 20K stage cooled by the sorption cooler. This is detailed in Section [[HFI_detection_chain]].
  5 KB (758 words) - 09:41, 3 February 2015
• LFI design, qualification, and performance
  ...also provides 18 K pre-cooling to the HFI helium J-T cooler. Two sorption cooler units are included in the flight hardware. * Sorption Cooler Subsystem (SCS);
  50 KB (7,826 words) - 22:29, 4 February 2015
• Operational history
  ...st piping of the dilution cooler was activated at 03:30 UT, and the 4He-JT cooler compressors were turned on at low stroke at 05:20 UT. After these essential ...-K stage was higher than originally expected. Optimisation of the sorption cooler operation led to an improvement, though they still remained ∼25% higher t
  11 KB (1,616 words) - 12:31, 26 March 2014
• Radiation environment
  VG3, the coldest of three so-called V-grooves, to which the sorption cooler is heat-sunk. The disturbances on the curve are due to adjustments of the operational parameters of this cooler.
  6 KB (921 words) - 17:19, 3 September 2013
• LoadTest2
  ...luctuations in gas-liquid flow, and fluctuations in cosmic ray flux on the dilution and bolometer plates. These fluctuations do not compromise the science data
  42 KB (7,697 words) - 16:43, 4 October 2012
• Planck PLA 2015 Wiki:Books/The Book
  :[[4K cooler]] :[[Dilution cooler]]
  470 bytes (51 words) - 14:56, 20 September 2012
• User:Lmendes/Books/anotherTest
  :[[4K cooler]] :[[Dilution cooler]]
  467 bytes (49 words) - 17:53, 20 September 2012
• Planck PLA 2015 Wiki:Books/ESChapter1
  :[[Sorption cooler]] :[[4K cooler]]
  587 bytes (61 words) - 11:59, 21 September 2012
• User:Amoneti/Books/Full
  :[[Sorption cooler]] :[[4K cooler]]
  2 KB (187 words) - 16:26, 19 October 2012
• The Planck mission
  piping of the dilution cooler was activated at 03:30 UT, and the 4He-JT cooler compressors were turned on at low stroke
  13 KB (2,044 words) - 09:08, 21 August 2013
• The satellite
  *Dilution control unit *Sorption cooler radiator
  14 KB (2,170 words) - 09:29, 21 May 2014
• TOI processing LFI
  The antenna temperature is a function of the dilution factor, according to: ...ent view is to take a reference dilution factor <math> D_0 </math>, as the dilution factor for a standardized angular diameter for the planet and fiducial beam
  34 KB (5,468 words) - 15:34, 4 February 2015
• HFI cryogenics
  ==The dilution cooler== The HFI dilution cooler cools the bolometers down to 0.1 K through
  5 KB (754 words) - 02:48, 29 October 2014
• List of acronyms
  * '''DCE''' : Dilution Cooler Electronics * '''J-T''' : Joule-Thomson (cooler)
  6 KB (650 words) - 23:43, 1 February 2015
• HFI operations timeline
  14/05/2009 17:39:39 HFI: open dilution cooler valves 14/05/2009 18:52:33 HFI: set 4-K cooler internal frequency at 40Hz
  27 KB (2,766 words) - 19:41, 11 December 2014
• References2
  title = {Design and performance of the dilution cooler system for the Planck mission},
  39 KB (5,438 words) - 09:40, 20 May 2014
• HFI performance summary
  ...or 30 months, the maximum autonomy expected for the helium of the dilution cooler. The telescope pointing was achieved with an accuracy better than expected
  2 KB (303 words) - 06:48, 10 December 2014
• The Planck mission WiP
  piping of the dilution cooler was activated at 03:30 UT, and the 4He-JT cooler compressors were turned on at low stroke
  16 KB (2,511 words) - 18:59, 14 October 2014
• The satellite WiP
  *Dilution control unit; *Sorption cooler radiator;
  14 KB (2,136 words) - 09:37, 3 February 2015
• Template:BibCite
  ...s/2009JInst...4T2016M '''Cryogenic characterization of the Planck sorption cooler system flight model'''], G. Morgante, D. Pearson, F. Melot, P. Stassi, L. T ...3APDF '''Making maps from Planck LFI 30 GHz data with asymmetric beams and cooler noise'''], M. A. J. Ashdown, C. Baccigalupi, J. G. Bartlett, J. Borrill, C.
  126 KB (19,903 words) - 18:57, 15 December 2014

View (previous 20 | next 20) (20 | 50 | 100 | 250 | 500)