Reynolds number

May 11th, 2015
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Reynolds number can be defined as a number of varieties of situations where a fluid is in relative with motion to a surface. This experiment is to observe the behavior of the flow of fluid either it is laminar or turbulent by calculating it's Reynolds number and the characteristic of the flow.

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Reynolds numberABSTRACTReynolds number can be defined as a number of varieties of situations where a fluid is in relative with motion to a surface. This experiment is to observe the behavior of the flow of fluid either it is laminar or turbulent by calculating it's Reynolds number and the characteristic of the flow. Other than that, the range for laminar and turbulent flow can be calculated and the theory that Reynolds number is dimensionless can be proven.The pump is opened to let the water flow. The dye injector valve is opened to let the dye flow into the glass tube which act as an indicator to the fluid behavior either it is laminar, transition or turbulent. The volume of water from outlet valve need to be collected for 10 second after the fluid motion is stabilized. The action was repeated for three times and its average Reynolds number was taken. For fluid motion to be laminar they have Reynolds number less than 2000, turbulent has Reynolds number more than 4000 while transition is in between 2000 and 4000. The Reynolds number is dimensionless by using the formula Re = (Q x d) / (A x )Table of ContentsAbstract1Table of contents2Introduction3Objective 4Theory5Description of Apparatus6Experimental procedure7Results..8 Calculation...9 Discussion10Co

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