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北海道大学地球物理学研究報告 = Geophysical bulletin of Hokkaido University >
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火山岩塊の運動再考(1)- 放出火山岩塊の運動方程式 -

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Title: 火山岩塊の運動再考(1)- 放出火山岩塊の運動方程式 -
Other Titles: Reconsideration of volcanic block kinematics (1)- Equation of motion for ejected volcanic blocks -
Authors: 鈴木, 建夫1 Browse this author
新井田, 清信2 Browse this author
西田, 泰典3 Browse this author
大島, 弘光4 Browse this author
室伏, 誠5 Browse this author
Authors(alt): SUZUKI, Takeo1
NIIDA, Kiyoaki2
NISHIDA, Yasunori3
OSHIMA, Hiromitsu4
Issue Date: 15-Mar-2007
Publisher: 北海道大学大学院理学研究院自然史科学部門(地球物理学)
Journal Title: 北海道大学地球物理学研究報告
Journal Title(alt): Geophysical bulletin of Hokkaido University
Volume: 70
Start Page: 53
End Page: 65
Abstract: Many authors have discussed the eruption time sequence and the mechanism of volcanic eruptions by estimating the ejected velocity of the volcanic blocks, with the aid of other factors of eruptive phenomena. Equations of motion for the volcanic blocks have been proposed by considering the factors, such as the air resistance, the influence of the wind, the inclination of the explosion principal axis and so on. However, the equation of motion and its solution has not been considered that the air resistance power was vector quantity for the flight of volcanic blocks. In this paper a new equation of motion for the ejected volcanic blocks is proposed by considering the air resistance power as vector quantity.
Type: bulletin (article)
Appears in Collections:北海道大学地球物理学研究報告 = Geophysical bulletin of Hokkaido University > 第70号

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