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090			_aB-16316
245	1	0	_aFlow of ground water
490	0		_vEngineering Hydraulics, p.321-386, 1950
520	3		_aFlow through a conduit may be steady or unsteady, uniform or non-uniform, and laminar or turbulento Steady flow refers to conditions in which the velocity at any point remains statistically constant with time; it follows that steady flow in pipes or conduits requires a fixed rate of discharge past any section. In uniform flow, conditions at successive sections must display the same velocity characterístics; in other words, not only must the cross sections be the same, but also residual effects of previous cross-sectional changes must have disappeared. Gases as well as liquids may flow through conduits in a steady, uniform manner if the change in density from section to section is smalI; appreciable density variation, on the other hand, will result in a corresponding change in mean velocity (i.e., non-uniformity of motion), thus requiring thermodynamic as well as mechanical relationships to describe the motion.
650	1	4	_aPIPES
650	1	4	_aCONDUITS
700	1	2	_aJacob, C.E.
856	4	0	_uhttps://drive.google.com/file/d/1QKKDjyWXVI9kMCqw8eqtE27XUIHCuJhM/view?usp=drivesdk _zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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