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Determination of Flow Characteristics and Performance Analysis of the Non-Rotating & Rotating Cylinder

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概要 The study of flow field over the bluff body has huge contributions in aerodynamic science. A closed looped wind tunnel was employed to determine the flow field around the cylinder. Flow characteristic...s and flow velocity over the cylinder was observed by taking five stations in the different regions around the rotating and non- rotating cylinder. Four stations were taken in the upstream and downstream and one was in origin. Two free stream velocities were taken for two different Reynolds numbers. Three tube yaw meter was used to calculate the total and local pressure. Flow velocity and its direction was calculated by using total pressure and static pressure with the help of Bernoulli’s principle. Yaw meter was adjusted to the inclined manometer to determine the manometric height of the total and local pressure. By using manometric height velocity was evaluated. Same process was followed while the cylinder was in rotation. A dc power supply was used to rotate the dc motor. The motor was rotated using a certain voltage for which the rpm had a fixed value. A MATLAB code for analysis of the velocity vector field was employed to visualize flow characteristics around the cylinder.続きを見る

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登録日 2020.10.26
更新日 2021.03.25

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