高温における火山ガラスの諸性質 : 粘性・気泡の成長

概要

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The growth of bubbles in natural glasses was investigated, and it was found that (1) The growth of bubbles increased remarkably at aprox. η = 10^8C.G.S. (2) The velocity of the growth (U_<obs・>) showed varying values. For example U_<obs・> = 4.4 × 10^<-6>cm/sec. This value is not always in accord with Verhoogen's. (3) The nucleation of bubbles was completed almost immediately. A decrease in number of bubbles was noted in the process of the growth due to coalesence, which is also responsible for the size distributions.
特定非営利活動法人日本火山学会の論文
1957-09-30