EXPERIMENT #4.docx - EXPERIMENT No 4 FUNDAMENTALS OF FLUID...

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EXPERIMENT No. 4 - FUNDAMENTALS OF FLUID MECHANICSByHelder Melo - 27055137Presented to Dr. HaghighatFor the courseBLDG 365 - VP-XThursday March 20th2019Concordia UniversityTABLE OF CONTENT:
SectionPagePart A:OBJECTIVES3INTRODUCTION 3PROCEDURE AND MATERIALS4RESULTS5DISCUSSION AND CONCLUSION5Part B:OBJECTIVES6INTRODUCTION 6PROCEDURE AND MATERIALS7RESULTS8DISCUSSION AND CONCLUSION9REFERENCES10APPENDIX11OBJECTIVES
The main purpose of part A of this experiment is to learn the difference between laminar and turbulent flow with respect to Reynolds Number and to understand the relationship between velocity and hydraulic gradient with regards to turbulent and laminar flow.INTRODUCTIONPart AWhen a fluid is flowing through a pipe, it experiences some resistance due to which some of energy is lost. Energy loss through friction in the length of pipeline is commonly termed the major loss which is the loss of head due to pipe friction and to viscous dissipation in flowing water. The resistance toflow in a pipe is a function of the pipe length, pipe diameter, mean velocity, properties of the fluid and roughness of the pipe (if the flow is turbulent), but it is independent of pressure under which the water flows. The Reynolds number is the ratio of inertial forces to viscous forces and is a convenient parameter for predicting if a flow condition will be laminar or turbulent. Typically a Reynolds number higher than 2000 will indicate a turbulent flow while a lower value will depict laminar flow. The flow of a fluid generally changes form laminar to turbulent when the Reynolds number exceeds a critical value, usually 2300.Figure 1 – Apparatus Specifications and Constant VariablesFigure 2 – Moody ChartPROCEDURE AND MATERIALS3
Part AMATERIAL NEEDEDFriction Loss in a Pipe apparatusStopwatchGraduated Measuring CylinderDigital ManometerPROCEDURENote: Apparatus must be calibrated prior to experimenting.

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