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|Type:||Artigo de periódico|
|Title:||A Revision On The Toms Effect - A Phenomenon In Which Macromolecules Attenuate Turbulence In Liquids [uma Revisão Sobre O Efeito Toms - O Fenômeno Onde Macromoléculas Atenuam A Turbulência Em Um Líquido]|
|Abstract:||It is very well known that the addition of polymers to a liquid increases the shear viscosity of the solution. In other words, the polymer increases the dissipation of the flow energy. Contrarily, in turbulent flow, some particular macromolecules in very low concentration are able to produce large attenuation in the turbulence and thus, decreasing the dissipation of the energy. This article present a brief revision about macroscopic and molecular models used to explain this dynamic effect. Some of the experimental techniques used to quantify the attenuation of the turbulence and the main active substances are also discussed.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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