Nassar ahmed (35 resultados)

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Taschenbuch. Condición: Neu. Single- and Two-Phase Flow in Stirred Vessels | Experimental and Numerical Investigations | Ahmed F. Nassar | Taschenbuch | 112 S. | Englisch | 2011 | LAP LAMBERT Academic Publishing | EAN 9783845424125 | Verantwortliche Person für die EU: BoD - Books on Demand, In de Tarpen 42, 22848 Norderstedt, info[at]bod[dot]de | Anbieter: preigu.…

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Paperback. Condición: Brand New. 220 pages. French language. 8.66x5.91x0.50 inches. In Stock.

Taschenbuch. Condición: Neu. Correspondences from the Millennial Generation | Ahmed Al-Nassar | Taschenbuch | Arabisch | 2026 | Noon Publishing | EAN 9781923898745 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu. …

Taschenbuch. Condición: Neu. Qasr al-Tih | Ahmed El-Nassar | Taschenbuch | Arabisch | 2026 | Noon Publishing | EAN 9781923898752 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu.

Taschenbuch. Condición: 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.…

Taschenbuch. Condición: 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.…

Condición: 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.…

Condición: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: M. Nasser RababRabab M. Nasser is a Doctor of Applied Organic Chemistry and Researcher at Egyptian Petroleum Research Institute. She is interested in the field of synthesizing of lubricating oil additives as well as the field of gree.…

Condición: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Idais RanaMrs Rana Hassan Idais has obtained her Bachelor degree in Environmental Science, and Master degree in Environmental Management at Islamic Unversity of Gaza, She has worked as Environmental Practitioner in Gaza Strip. She im.…

Condición: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Abdel-Hameed Hamdy S.Hamdy S. Abdel-Hameed has received his BSc and MSc degree in organic chemistry from Ain Shams University. Currently he is working as a Research Assistant in the Department of Petroleum Applications, Egyptian Petr.…

Taschenbuch. Condición: 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 Landstraße 99, 66123 Saarbrücken 112 pp. Englisch.…