Development of an Ion Mass Spectrometer and Sounding Rocket System for D-region Cluster-ion Measurement PDF Download
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Author: A. Bailey
Publisher:
ISBN:
Category : Complex ions
Languages : en
Pages : 108
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Book Description
An Ion Mass Spectrometer and supporting Sounding Rocket System were developed to make in situ measurements of cluster-ions in the D-region of the ionosphere. A cryogenically vacuum-pumped quadrupole mass filter and secondary emission ion counter are coupled to make mass spectral measurements of positive and negative ion composition in ambient gas sampled at the apex of a cone designed to attach the shock wave induced by supersonic sounding rocket speeds. (Author).
Author: A. Bailey
Publisher:
ISBN:
Category : Complex ions
Languages : en
Pages : 108
Get Book Here
Book Description
An Ion Mass Spectrometer and supporting Sounding Rocket System were developed to make in situ measurements of cluster-ions in the D-region of the ionosphere. A cryogenically vacuum-pumped quadrupole mass filter and secondary emission ion counter are coupled to make mass spectral measurements of positive and negative ion composition in ambient gas sampled at the apex of a cone designed to attach the shock wave induced by supersonic sounding rocket speeds. (Author).
Author: A. D. Bailey
Publisher:
ISBN:
Category : D region
Languages : en
Pages : 0
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Book Description
An Ion Mass Spectrometer and supporting Sounding Rocket System were developed to make in situ measurements of cluster-ions in the D-region of the ionosphere. A cryogenically vacuum-pumped quadrupole mass filter and secondary emission ion counter are coupled to make mass spectral measurements of positive and negative ion composition in ambient gas sampled at the apex of a cone designed to attach the shock wave induced by supersonic sounding rocket speeds. (Author)
Author: A. Bailey
Publisher:
ISBN:
Category :
Languages : en
Pages : 103
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Book Description
An Ion Mass Spectrometer and supporting Sounding Rocket System were developed to make in situ measurements of cluster-ions in the D-region of the ionosphere. A cryogenically vacuum-pumped quadrupole mass filter and secondary emission ion counter are coupled to make mass spectral measurements of positive and negative ion composition in ambient gas sampled at the apex of a cone designed to attach the shock wave induced by supersonic sounding rocket speeds. (Author).
Author: R. S. Narcisi
Publisher:
ISBN:
Category : D region
Languages : en
Pages : 62
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1252
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Book Description
Author:
Publisher:
ISBN:
Category : Ionosphere
Languages : en
Pages : 32
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Book Description
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 216
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Book Description
Author:
Publisher:
ISBN:
Category : Atmospheric chemistry
Languages : en
Pages : 904
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Book Description
Author: Donald Edward Hunton
Publisher:
ISBN:
Category : Mass spectrometry
Languages : en
Pages : 76
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Book Description
A Quadrupole Ion/Neutral Mass Spectrometer (QINMS) was developed for the fourth flight of the Space Shuttle in June and July of 1982. Several additional instruments have been built for other programs using the same design. The instruments are designed to measure the neutral and positive ion composition in the vicinity of the Space Shuttle or similar satellites. Other experimental capabilities include the measurements of total neutral pressure, total ion density, and species kinetic energy distributions. This report describes in detail the design and construction of the QINMS instruments, the integration requirements, ground testing and calibration procedures, typical flight operations, and finally, data requirements.
Author: R. S. NARCISI
Publisher:
ISBN:
Category : D region
Languages : en
Pages : 0
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Book Description
A quadrupole mass spectrometer system employing a liquid nitrogen chilled zeolite pump has recently been developed for sampling positive ions at altitudes above 50 kilometers. This system was flown successfully on a Nike-Cajun rocket on 31 October 1963, and has provided the first positive ion composition measurements in the D-region. For simultaneous environmental measurements of ion and electron densities, two spherical electrostatic analyzers were included in the rocket payload. Supplemental information on ionospheric conditions was provided by a ground-based ionosonde. Due to the high sensitivity of the system approximately twenty (20) positive ion peaks were detected in the mass range 10 to 45 amu within the altitude range of 64 to 112 km. The predominant ions detected within the D-region (64 to 82 km) were 18(+), 30(+) and (37=1)(+), with 32(+) rapidly rising above 75 km approaching the abundance of 30(+) at 83 km. At 82.5 km a sharp transition occurred in the spectra, characterized by the rapid disappearance of 18(+) and 37(+) and instantaneous appearance of six (6) new ion peaks. Five (5) of these ion peaks are suggested to be the metallic ions of sodium (23(+)), magnesium (24(+), 25(+), 26(+)) and calcium (40(+)). The metallic ions all exhibited an identical altitude profile, a ten (10) km-wide peak with a maximum at 95 km, a minimum at 105 km, and then continuously increasing until apogee at 112 km.
