quiz_2_04 - 2.25 ADVANCED FLUID MECHANICS Fall 2004 QUIZ 2...

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Unformatted text preview: 2.25 ADVANCED FLUID MECHANICS Fall 2004 QUIZ 2 THURSDAY, November 18, 2004, 7:00-9:00 P.M. OPEN QUIZ WHEN TOLD AT 7:00 PM THERE ARE TWO PROBLEMS OF EQUAL WEIGHT Please answer both questions in the same book Clearly showing where one question ends and another begins! 2.25 Fall 2004 Quiz 2 2 Question 1 The transition from dripping to jetting Everyone is familiar with the phenomenon shown in Figure 1. which shows what happens when the flow rate of water through a vertically aligned faucet (or ‘tap’) is slowly increased. Initially a ‘pendant drop’ forms at the exit which grows until it is large enough that it pinches off (Fig1a). Then for slightly higher flow rates, the faucet periodically drips (Fig 1b); finally at higher flow rates a uniform jet forms (Fig1c). In fact, the transition from dripping to jetting is more complex than shown in this figure. In this question we wish to consider this transition from dripping to jetting....
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This note was uploaded on 02/27/2012 for the course MECHANICAL 2.25 taught by Professor Garethmckinley during the Fall '05 term at MIT.

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quiz_2_04 - 2.25 ADVANCED FLUID MECHANICS Fall 2004 QUIZ 2...

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