Nucleate boiling of non-Newtonian fluids in a stirred tank reactor
Identifieur interne : 002689 ( Main/Exploration ); précédent : 002688; suivant : 002690Nucleate boiling of non-Newtonian fluids in a stirred tank reactor
Auteurs : L. Floquet-Muhr [France] ; Noël Midoux [France]Source :
- Chemical Engineering & Processing: Process Intensification [ 0255-2701 ] ; 1994.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
- Aqueous solutions, Better results, Better understanding, Bubble departure diameter, Bubble diameter, Bubble formation, Bulk rheological properties, Convection, Convection heat flux, Design estimate, Dimensionless parameters, Experimental results, Experimental study, Flow curves, Flow index, Fluid consistency increases, Flux thermique, Heat flux, Heat transfer, Heat transfer change, High consistency fluids, Higher values, Liquides newtoniens, Liquides visqueux, Lower values, Mass transfer, Midoux chemical engineering, Modeling, Newtonian, Newtonian liquids, Non Newtonian fluid, Nucleate, Nucleate boiling, Nucleate flow, Nucleate pool, Predominant mechanisms, Previous relations, Pseudoplastic fluid, Reactor wall, Specific heat flux, Stirred tank reactor, Tank reactor, Tbullition nucltte, Temperature difference, Vapor bubble departure, Viscosity fluids, Viscosity increases, Viscous newtonian liquids.
- Teeft :
- Aqueous solutions, Better results, Better understanding, Bubble departure diameter, Bubble diameter, Bubble formation, Bulk rheological properties, Convection, Convection heat flux, Design estimate, Dimensionless parameters, Experimental results, Flow curves, Flow index, Fluid consistency increases, Flux thermique, Heat flux, Heat transfer, Heat transfer change, High consistency fluids, Higher values, Liquides newtoniens, Liquides visqueux, Lower values, Mass transfer, Midoux chemical engineering, Newtonian, Newtonian liquids, Nucleate, Nucleate flow, Nucleate pool, Predominant mechanisms, Previous relations, Reactor wall, Specific heat flux, Tank reactor, Tbullition nucltte, Temperature difference, Vapor bubble departure, Viscosity fluids, Viscosity increases, Viscous newtonian liquids.
Abstract
Abstract: The nucleate boiling of non-Newtonian fluids has been investigated in a mechanically stirred tank. The wall heated reactor is stirred with an anchor. The case of high consistency fluids has been more specifically studied. It was shown that when the fluid consistency increases, the predominant mechanisms of boiling heat transfer change, resulting in the fact that the correlations which can be used as a design estimate for low viscosity fluids cannot be used any more. A method was proposed for these fluids to estimate nucleate flow boiling heat transfer from the forced convection predictions.
Url:
DOI: 10.1016/0255-2701(94)80001-4
Affiliations:
- France
- Grand Est, Lorraine (région)
- Nancy
- Centre national de la recherche scientifique, Laboratoire réactions et génie des procédés, Université de Lorraine
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Le document en format XML
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