Single- and Two-Phase Flow in Stirred Vessels: Experimental and Numerical Investigations - Couverture souple

Name: Single- and Two-Phase Flow in Stirred Vessels: Experimental and Numerical Investigations
Author: Nassar, Ahmed F.
ISBN: 9783845424125

Nassar, Ahmed F.

9783845424125: Single- and Two-Phase Flow in Stirred Vessels: Experimental and Numerical Investigations

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ISBN 10 : 3845424125 ISBN 13 : 9783845424125

Editeur : LAP LAMBERT Academic Publishing, 2011

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Stirred vessels were studied from several different points of view, providing answers to some open questions in mixing and stirring.First question concerns the study of the effect of various parameters on the impeller efficiency(mixing time and power consumption) of stirred vessels operated by traditional impellers. Measurements were done to determine the critical Reynolds number at which the flow is full turbulent. For the first time, the trailing vortices were captured at a Reynolds number of 29,000 using Laser Doppler Anemometer (LDA).Secondly, a novel grid disc impeller was designed to achieve efficient mixing in stirred vessels. The mixing times and power consumptions of the novel impeller were measured to evaluate the performance against conventionally used impellers. Detailed numerical simulations of the flow generated by the new impeller were carried out and validated by LDA measurements at some chosen critical locations in the vessel.The third part studies gas dispersion into liquids with Rushton turbine. Phase Doppler anemometer (PDA) measurements were performed to measure the diameter and velocity of air bubbles under several different operating conditions.

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�diteur: LAP LAMBERT Academic Publishing
Date d'�dition: 2011
Langue: anglais
ISBN 10: 3845424125
ISBN 13: 9783845424125
Reliure: Broch�
Nombre de pages: 112
Coordonn�es du fabricant: non disponible
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Single- and Two-Phase Flow in Stirred Vessels

Ahmed F. Nassar

Edit� par LAP LAMBERT Academic Publishing Jul 2011, 2011

ISBN 10 : 3845424125 ISBN 13 : 9783845424125

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Taschenbuch. Etat : Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Stirred vessels were studied from several different points of view, providing answers to some open questions in mixing and stirring.First question concerns the study of the effect of various parameters on the impeller efficiency(mixing time and power consumption) of stirred vessels operated by traditional impellers. Measurements were done to determine the critical Reynolds number at which the flow is full turbulent. For the first time, the trailing vortices were captured at a Reynolds number of 29,000 using Laser Doppler Anemometer (LDA).Secondly, a novel grid disc impeller was designed to achieve efficient mixing in stirred vessels. The mixing times and power consumptions of the novel impeller were measured to evaluate the performance against conventionally used impellers. Detailed numerical simulations of the flow generated by the new impeller were carried out and validated by LDA measurements at some chosen critical locations in the vessel.The third part studies gas dispersion into liquids with Rushton turbine. Phase Doppler anemometer (PDA) measurements were performed to measure the diameter and velocity of air bubbles under several different operating conditions. 112 pp. Englisch. N� de r�f. du vendeur 9783845424125

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Single- and Two-Phase Flow in Stirred Vessels : Experimental and Numerical Investigations

Ahmed F. Nassar

Edit� par LAP LAMBERT Academic Publishing, 2011

ISBN 10 : 3845424125 ISBN 13 : 9783845424125

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Taschenbuch. Etat : Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Stirred vessels were studied from several different points of view, providing answers to some open questions in mixing and stirring.First question concerns the study of the effect of various parameters on the impeller efficiency(mixing time and power consumption) of stirred vessels operated by traditional impellers. Measurements were done to determine the critical Reynolds number at which the flow is full turbulent. For the first time, the trailing vortices were captured at a Reynolds number of 29,000 using Laser Doppler Anemometer (LDA).Secondly, a novel grid disc impeller was designed to achieve efficient mixing in stirred vessels. The mixing times and power consumptions of the novel impeller were measured to evaluate the performance against conventionally used impellers. Detailed numerical simulations of the flow generated by the new impeller were carried out and validated by LDA measurements at some chosen critical locations in the vessel.The third part studies gas dispersion into liquids with Rushton turbine. Phase Doppler anemometer (PDA) measurements were performed to measure the diameter and velocity of air bubbles under several different operating conditions. N� de r�f. du vendeur 9783845424125

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Single- and Two-Phase Flow in Stirred Vessels

Ahmed F. Nassar

Edit� par LAP LAMBERT Academic Publishing, 2011

ISBN 10 : 3845424125 ISBN 13 : 9783845424125

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Etat : New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Nassar Ahmed F.Dr. Ahmed F. Nassar obtained his PhD from the Technical Faculty, Erlangen-Nuernberg University. He currently teaches Fluid Mechanics at the Faculty of Engineering - Cairo University. He has wide experience in Industrial. N� de r�f. du vendeur 5481886

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Single- and Two-Phase Flow in Stirred Vessels

Ahmed F. Nassar

Edit� par LAP LAMBERT Academic Publishing Jul 2011, 2011

ISBN 10 : 3845424125 ISBN 13 : 9783845424125

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Taschenbuch. Etat : Neu. This item is printed on demand - Print on Demand Titel. Neuware -Stirred vessels were studied from several different points of view, providing answers to some open questions in mixing and stirring.First question concerns the study of the effect of various parameters on the impeller efficiency(mixing time and power consumption) of stirred vessels operated by traditional impellers. Measurements were done to determine the critical Reynolds number at which the flow is full turbulent. For the first time, the trailing vortices were captured at a Reynolds number of 29,000 using Laser Doppler Anemometer (LDA).Secondly, a novel grid disc impeller was designed to achieve efficient mixing in stirred vessels. The mixing times and power consumptions of the novel impeller were measured to evaluate the performance against conventionally used impellers. Detailed numerical simulations of the flow generated by the new impeller were carried out and validated by LDA measurements at some chosen critical locations in the vessel.The third part studies gas dispersion into liquids with Rushton turbine. Phase Doppler anemometer (PDA) measurements were performed to measure the diameter and velocity of air bubbles under several different operating conditions.VDM Verlag, Dudweiler Landstra�e 99, 66123 Saarbr�cken 112 pp. Englisch. N� de r�f. du vendeur 9783845424125

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