Measurement of Drag Coefficient

# Measurement of Drag Coefficient - ISTANBUL TECHNICAL...

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ISTANBUL TECHNICAL UNIVERSITY Faculty of Mechanical Engineering MAK 411E Experimental Methods in Engineering Experiment Report “Measurement of Drag Coefficient ” Gökalp GÜRSEL 030040075 ENERGY DIVISION Course Instructor: Murat ÇAKAN CRN:11713

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AIM OF THE EXPERIMENT: The aim of this experiment is to measure the drag forces of models which have different shapes and calculate the drag coefficients as a function of Reynolds number. BACKGROUND: At least one of the solid body and fluid move, solid body experiences a net force. This force has two components. One of the component which is parallel to the body is called drag force, other component which is perpendicular to the body is called lift force. These forces depends on the density and viscosity of the fluid, velocity between fluid and solid body and body’s characteristic which are shape, attitude and size. We can measure the velocity with Pitot-tube which is measure static and total pressure and we can calculate the dynamic pressure with subtract one from other. We can calculate the speed with using following formula;
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## This note was uploaded on 10/28/2010 for the course MECHANICAL mak354 taught by Professor Muratçakan during the Winter '08 term at Istanbul Technical University.

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Measurement of Drag Coefficient - ISTANBUL TECHNICAL...

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