Numerical Simulation of Flow Characteristics of Cylinder Around Flow under Different Reynolds Numbers
In this paper,the cylindrical flow around the Reynolds number in the range of 100 to 700 is numerically simulated by Fluent software,and the flow law of the cylindrical flow under different Reynolds numbers is revealed by comparing the wake velocity distribution.In addition,the drag coefficients obtained by different fluids around the cylinder are compared and discussed under the same Reynolds number.In this paper,the error analysis of the eddy shedding period under different Reynolds numbers obtained by numerical simulation and the eddy shedding period calculated by the Straubhar number formula is also carried out.The accuracy of Fluent's numerical simulations is verified.
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