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A note on the creeping motion of a viscoelastic fluid past a sphere

Zana, E. and Tiefenbruck, G. and Leal, L. G. (1975) A note on the creeping motion of a viscoelastic fluid past a sphere. Rheologica Acta, 14 (10). pp. 891-898. ISSN 0035-4511. doi:10.1007/bf01515889. https://resolver.caltech.edu/CaltechAUTHORS:20210317-100524425

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Abstract

In this paper we consider the creeping motion of a viscoelastic fluid past a sphere. Detailed visualization of the flow was carried out using small suspended tracer particles, forReynolds numbers Re, less than 0.1 andWeissenberg numbers, We, ranging from 10⁻² to 22. Although some upstream shifting of the streamlines was found for ReWe = O(1), comparison shows that the streamline shift is very much smaller than predicted by the theoretical analysis ofUltman andDenn (1971). This discrepancy has led us to re-examine the validity of the basic assumptions of the analysis, as reported in the last section of the present communication.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1007/bf01515889DOIArticle
Additional Information:© 1975 Springer. Received 10 February 1975.
Subject Keywords:Polymer; Theoretical Analysis; Basic Assumption; Tracer Particle; Present Communication
Issue or Number:10
DOI:10.1007/bf01515889
Record Number:CaltechAUTHORS:20210317-100524425
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20210317-100524425
Official Citation:Zana, E., Tiefenbruck, G. & Leal, L.G. A note on the creeping motion of a viscoelastic fluid past a sphere. Rheol Acta 14, 891–898 (1975). https://doi.org/10.1007/BF01515889
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:108468
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:24 Mar 2021 20:25
Last Modified:24 Mar 2021 20:25

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