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Turbulent heat and mass transfer in dilute polymer solutions

โœ Scribed by Yoshinori Kawase; Jaromir J. Ulbrecht


Publisher
Elsevier Science
Year
1982
Tongue
English
Weight
682 KB
Volume
37
Category
Article
ISSN
0009-2509

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โœฆ Synopsis


A new model based on Levich's three-zone model is developed to discuss the turbulent hear and mass transfer in drag-reducing solutions. The proposed model, which has no adjustable parameters and is represented in an explicir form, provides satisfactory predictions of the maximum heat and mass transfer reduction in smooth and rough pipes. The mass transfer to a disk rotating in drag-reducing solutions is also discussed using the proposed model.


๐Ÿ“œ SIMILAR VOLUMES


Turbulent mixing in dilute polymer solut
โœ V.V. Ranade; R.A. Mashelkar ๐Ÿ“‚ Article ๐Ÿ“… 1993 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 934 KB

Addition of polymer molecules to solvents influences the turbulence characteristics and in turn it influences the macromixing and micromixing behaviour in such flows in a profound way. The mixing lengths in pipe flows of dilute polymer solutions are known to be several times larger than those for Ne