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13 Jul 2009 18:45:53 IST

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and explain me critical velocity also???

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and explain me critical velocity also???

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edison

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Joined: 19 Oct 2006

Posts: 7537

29 Jan 2012 21:12:33 IST

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Critical velocity is the velocity of a liquid flow upto which its flow is streamlined and after which its flow becomes turbulent. The critical velocity depends on coefficient of viscosity 'h', density of the liquid 'r', and radius of the tube (r). Using the methods of dimensions, one can show that where k is constant of proportionality

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