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Aitken nuclei sonde with constant expansion ratio irrespective of ambient pressure
https://nipr.repo.nii.ac.jp/records/1513
https://nipr.repo.nii.ac.jp/records/1513e881fbac-b1b8-4c9b-b149-45bc4525a990
名前 / ファイル | ライセンス | アクション |
---|---|---|
KJ00000012146 (545.8 kB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1983-11-01 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Aitken nuclei sonde with constant expansion ratio irrespective of ambient pressure | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
著者名(英) |
Ito, Tomoyuki
× Ito, Tomoyuki× Ikegami, Miwako× Kanazawa, Izuo |
|||||
著者所属(英) | ||||||
en | ||||||
Meteorological Research Institute | ||||||
著者所属(英) | ||||||
en | ||||||
Meteorological Research Institute | ||||||
著者所属(英) | ||||||
en | ||||||
Meteorological Research Institute | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | A new type of Aitken nuclei sonde is reported. The sonde consists of an expansion fog chamber, which is similar in principle to the Pollak counter or the Aitken counter, as a measuring device of Aitken unclei concentration. The most important characteristics of the present fog chamber are that it is a very compact automatic one and it has a construction to keep expansion ratio constant irrespective of ambient pressure. The constant expansion ratio is an essential requirement for the measurement of Aitken nuclei concentration at different heights by a balloon or an airplane. The variation of measured values during 50 times measurement for a same air sample is smaller than 3% of the mean. Two identical fog chambers in the present sonde give Aitken unclei concentrations which agree within 50(cm)^<-3> for the concentration range covering between about 200 and about 2000cm^<-3>. A nuclei measuring signal is inserted into rawinsonde signal, which is transmitted to a ground station, every minute for 10s. The total weight of a sonde is 9kg, comprising a 5kg fog chamber, a 3.5kg battery and a 0.5kg rawinsonde. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00733561 | |||||
書誌情報 |
Memoirs of National Institute of Polar Research. Special issue 巻 29, p. 185-190, 発行日 1983-11 |