- The pressure distribution over the front and rear sides of a cylinder are identical, leading to the peculiar property of having zero drag on the cylinder, a property known as d'Alembert's paradox1. However, a viscous flow past a cylinder, no matter how small the viscosity, will acquire a thin boundary layer adjacent to the surface of the cylinder1. The pressure field around the cylinder will be altered due to the change in the velocity field, and the magnitude of the force can be computed by integrating the surface pressure times the area around the cylinder2. The direction of the force is perpendicular to the flow direction2.
Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.The pressure distribution over the front and rear sides are identical, leading to the peculiar property of having zero drag on the cylinder, a property known as d'Alembert's paradox. Unlike an ideal inviscid fluid, a viscous flow past a cylinder, no matter how small the viscosity, will acquire a thin boundary layer adjacent to the surface of the cylinder.
en.wikipedia.org/wiki/Potential_flow_around_a_circ…The net turning of the flow has produced an upward force. Because of the change to the velocity field, the pressure field will also be altered around the cylinder. The magnitude of the force can be computed by integrating the surface pressure times the area around the cylinder. The direction of the force is perpendicular to the flow direction.www.grc.nasa.gov/www/k-12/airplane/cyl.html - People also ask
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