scholarly journals Omegatron Mass Spectrometer for Partial Pressure Measurements in Upper Atmosphere

1966 ◽  
Vol 37 (6) ◽  
pp. 722-728 ◽  
Author(s):  
Hasso B. Niemann ◽  
Brian C. Kennedy
Keyword(s):  
Partial Pressure ◽  
Mass Spectrometer ◽  
Upper Atmosphere ◽  
Pressure Measurements

scholarly journals Titan's exosphere and its interaction with Saturn's magnetosphere

2008 ◽  
Vol 367 (1889) ◽  
pp. 743-752 ◽  
Author(s):  
Iannis Dandouras ◽  
Philippe Garnier ◽  
Donald G Mitchell ◽  
Edmond C Roelof ◽  
Pontus C Brandt ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Remote Sensing ◽  
Charge Exchange ◽  
Mass Spectrometer ◽  
Upper Atmosphere ◽  
Neutral Atoms ◽  
Energetic Ions ◽  
Imaging Instrument ◽  
Singly Charged

Titan's nitrogen-rich atmosphere is directly bombarded by energetic ions, due to its lack of a significant intrinsic magnetic field. Singly charged energetic ions from Saturn's magnetosphere undergo charge-exchange collisions with neutral atoms in Titan's upper atmosphere, or exosphere, being transformed into energetic neutral atoms (ENAs). The ion and neutral camera, one of the three sensors that comprise the magnetosphere imaging instrument (MIMI) on the Cassini/Huygens mission to Saturn and Titan, images these ENAs like photons, and measures their fluxes and energies. These remote-sensing measurements, combined with the in situ measurements performed in the upper thermosphere and in the exosphere by the ion and neutral mass spectrometer instrument, provide a powerful diagnostic of Titan's exosphere and its interaction with the Kronian magnetosphere. These observations are analysed and some of the exospheric features they reveal are modelled.

Thermocouple gauge for partial pressure measurements

1989 ◽  
Vol 7 (3) ◽  
pp. 2393-2396 ◽  
Author(s):  
Chi‐Luen Wang ◽  
Prasanta K. Ghosh ◽  
Philipp Kornreich
Keyword(s):  
Partial Pressure ◽  
Pressure Measurements
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