Measurement of drainage rates of high‐expansion foams
作者:
W. Thompson,
期刊:
Journal of Applied Chemistry
(WILEY Available online 1962)
卷期:
Volume 12,
issue 1
页码: 12-17
ISSN:0021-8871
年代: 1962
DOI:10.1002/jctb.5010120104
出版商: John Wiley&Sons, Ltd
数据来源: WILEY
摘要:
AbstractA method for measuring the drainage rates of single liquid films by the movement of interference fringes is described. It is shown that the cross‐section of a fast draining film is wedge‐shaped and so its average thickness equals the thickness at its mid‐height. Various degrees of water hardness produced changes in the drainage rate of a single film that were consistent with the changes produced in the drainage rate of high‐expansi
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