# Reynolds number

May 8th, 2015
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The Reynolds number (Re) is a dimensionless number that gives a measure of the ratio of inertial forces to viscous forces and consequently quantifies the relative importance of these two types of forces for given flow conditions. Measurement of the fluid flow, often must understand its flow, flow rate distribution. Reynolds number is the characterization of fluid flow characteristics of an important parameter. Fluid flow when the inertial force F g and viscous forces (the friction) F m ratio known as the Reynolds number.

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Lab ReportTABLE OF CONTENTNO.| CONTENT| PAGE|1.| Title| 2|2.| Theory| 2|3.| Introduction| 2|4.| Objective| 3|5.| Apparatus| 3|6.| Procedure| 4|7.| Result| 6|8.| Calculation| 10|9.| Discussion| 13|10.| Conclusion| 14|11.| References| 14|TITLE:H1 Osborne Reynolds DemonstrationINTRODUCTION:Osborne Reynolds Demonstration has been designed for students experiment on the laminar, transition and turbulent flow. It consists of a transparent header tank and a flow visualization pipe. The header tank is provided with a diffuser and stilling materials at the bottom to provide a constant head of water to be discharged through a bellmouth entry to the flow visualisation pipe. Flow through this pipe is regulated using a control valve at the discharge end. The water flow rate through the pipe can be measured using the volumetric tank (or measuring cylinder) of a Hydraulics Bench. Velocity of the water can therefore be determined to allow for the calculation of Reynolds number. A dye injection system is installed on top of the header tank so that flow pattern in the pipe can be visualised. In this experiment, we fix the time which is 5 second to collect the amount o

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