两种语言 发表于 2025-3-25 04:24:05
Rotodynamic Machines,mic effect they have upon the fluid. Machines exist which change the head of the working fluid without employing a dynamic effect, for example reciprocating pumps, and such machines will not be dealt with in this book.射手座 发表于 2025-3-25 11:28:23
Compressible Flow,ibility, for many if not quite all purposes they can be treated as incompressible. One situation in which the assumption that liquids are totally incompressible will lead to an erroneous theory is that in which their motions are changed rapidly and in Chapter 8 this circumstance is described.寻找 发表于 2025-3-25 14:12:36
http://reply.papertrans.cn/16/1553/155241/155241_23.png过份 发表于 2025-3-25 17:48:15
Die Streckwerke der Spinnereimaschinenming the oceans. This superficial view might lead him to believe that, similarly, the universe consists of solid bodies. But this is of course not so. The earth has a solid crust but its core probably consists of molten iron, while the stars are balls of very hot plasma and the galaxies appear to rolavish 发表于 2025-3-25 22:46:05
Das Verspinnen der Wolle und Kunstwolle,ailable. Engineers use essentially the same methods in a rather different form. For example the continuity equation, the force equation and the energy equation, all of which were given in cartesian coordinates and in differential form in Chapter 2 are used in their natural coordinate integrated form机密 发表于 2025-3-26 00:30:21
http://reply.papertrans.cn/16/1553/155241/155241_26.png相互影响 发表于 2025-3-26 06:25:10
http://reply.papertrans.cn/16/1553/155241/155241_27.pngDEVIL 发表于 2025-3-26 09:59:23
http://reply.papertrans.cn/16/1553/155241/155241_28.pngDeduct 发表于 2025-3-26 14:32:37
http://reply.papertrans.cn/16/1553/155241/155241_29.pnglavish 发表于 2025-3-26 17:07:14
Die Strichprobe der Edelmetalleibility, for many if not quite all purposes they can be treated as incompressible. One situation in which the assumption that liquids are totally incompressible will lead to an erroneous theory is that in which their motions are changed rapidly and in Chapter 8 this circumstance is described.