28-08-2006, 01:13 AM
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Ebook Zone
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تاريخ التسجيل: Jul 2006
المشاركات: 13,658
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http://rapidshare.de/files/13531226/Hydrodynamics_of_Pumps_muyac.rar.html
أو
http://caltechbook.library.caltech.edu/22/03/pumbook.pdf
Abstract
The subject of this monograph is the fluid dynamics of liquid turbomachines, particularly pumps. Rather than attempt a general treatise on turbomachines, we shall focus attention on those special problems and design issues associated with the flow of liquid through a rotating machine. There are two characteristics of a liquid that lead to these special problems, and cause a significantly different set of concerns than would occur in, say, a gas turbine. These are the potential for cavitation and the high density of liquids that enhances the possibility of damaging unsteady flows and forces
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قال إبراهيم بن الأدهم : "من عرف ما يطلب هان عليه ما يبذل ،
و من أطلق بصره طال أسفه ، و من أطلق أمله ساء عمله ، و من أطلق لسانه قتل نفسه "
وقال : " ما صدق الله عبد أحب الشهرة بعلم أو عمل أو كرم "
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