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STUDYING THE EFFECT OF ADDING CMC ON RHEOLOGICALPROPERITES OF NON –NEWTONIAN FLUIDS | ||
| Al-Qadisiyah Journal for Engineering Sciences | ||
| Article 1, Volume 3, Issue 4, 2010, Pages 458-472 PDF (0 K) | ||
| Author | ||
| Huda R. Hashim | ||
| Abstract | ||
| In this research, set of experimental works are performed by adding carboxyl methyl cellulose (CMC) to the water to made non – Newtonian fluids to find out some of relationships in this subject. Tests are done by FANN-VG instrument after preparing the samples for test. Comparative graphs of shear stress vs. shear rates are plotted for experimental work, power law and Herschel – bulkley models. The behaviour of shear stress with shear rate is examined and finds that the relation between them is proportional for all them. The percentage error of power law and Herschel- bulkley models with CMC% established. It can see that the percentage error decrease when CMC% increase. Also the relationship for (n) values with CMC% concentration found, decreases with increasing CMC%. At last yield point over plastic viscosity with CMC% are plotted and found proportional. | ||
| Keywords | ||
| carboxyl methyl cellulose; Herschel; plastic | ||
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