WEIR NOTCHES

MEASUREMENT PROJECTSEMESTER-12016WEIR NOTCHES

INTRODUCTION:FLOW : Liquid, gas, or electricity move steadily and continuously in a current or stream. FLOW RATE : The volume of fluid which passes per unit time; usually represented by the symbol Q (sometimes V). The SI unit is m3/s (cubic metres per second).WEIR &NOTCH : The purpose of weir & notch is to measure discharge of fluid specially water . Notch is smaller one made of iron plate, steel , tin etc specially used in hydraulics laboratory for students to measure the discharge of water or flow .Weir is the bigger one found in field across a water course, nullah , small river etc made of stone or concreteThis main aim of this project is to measure flow rate for different shaped notches and different angled notches.

DESCRIPTION:The project is based on measuring flow rate for different shaped notches and weirs.We use a tank and pipes to construct the basic project model.We use this basic model for measuring flow rate of a water sample.This project has many uses and further in future the knowledge about notches and weir is vey important.

1.Weir structure2.Notch structureSIGNIFICANCE:We can measure at what rate Water is released which is used to guess floods.We can expel only required amount of water and we calculate the amount of water required for different purposesIt has a greater significance in various scientific fields

PROCEDURE:- This is an experiment which is used for the measurement of flow rate of water using Notches . The flow rate of water will be different for different shaped notches.We construct a tank and two pipes to it and at the end of each pipe we arrange a plastic piece which acts as notchWe fill the tank with water and release them through pipesWe collect the water at the end of pipes and we find the amount of water collected using the formulaeAfter that we find amount of water flowed out for a certain time i.e., flow rate and we compare the values for different shaped notchesWe compare the values for different shaped notches

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For Rectangular Notches ;

Conclusion:The amount of water discharged for a particular time i.e., Rate of flow for different shaped notches are different .BATCH-19SECTION-35BY:-160070396160070398160070399160070403160070404