Critical falling heights for the first break-up of liquid drops impacting on immiscible liquids

Lee, Kae-Young, Lee, Hae-Geon and Hayes, Peter C. (1998) Critical falling heights for the first break-up of liquid drops impacting on immiscible liquids. ISIJ International, 38 11: 1242-1247. doi:10.2355/isijinternational.38.1242


Author Lee, Kae-Young
Lee, Hae-Geon
Hayes, Peter C.
Title Critical falling heights for the first break-up of liquid drops impacting on immiscible liquids
Journal name ISIJ International   Check publisher's open access policy
ISSN 0915-1559
1347-5460
Publication date 1998-01-01
Sub-type Article (original research)
DOI 10.2355/isijinternational.38.1242
Open Access Status Not yet assessed
Volume 38
Issue 11
Start page 1242
End page 1247
Total pages 6
Place of publication Tokyo, Japan
Publisher Nippon Tekko Kyokai / Iron and Steel Institute of Japan
Abstract Experimental studies investigating the break-up of liquid drops impacting on immiscible target liquids have been undertaken. The critical falling height at which the first break-up occurs has been found to be proportional to the drop mass to the power of –0.65±0.05, irrespective of change in physical properties of either drop or target liquid, and can be related to the drop mass by the following equation: Hcr=kcWn where Hcr is the critical falling height, kc is the proportionality constant, W is the mass of liquid drop, and n is the power (–0.65±0.05). The value of kc varies with change in physical properties of drop or target liquid, and hence the critical falling height is dependent on the physical properties of both drop and target liquids. The mechanism of the first break-up changes from the cavity-pulled to the rebounding-jet break-up as the viscosity of either the drop or target liquid increases.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Chemical Engineering Publications
 
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Created: Sat, 16 Jan 2016, 01:38:04 EST by Vicki Thompson on behalf of School of Chemical Engineering