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Schematic of carbon nanotube-air system. The bar indicates mean free path of air molecules between collisions.
Drag forces on carbon nanotube (per unit length) as a function of relative tube-air velocities. The dashed and solid lines represent the solution of free molecular flow and Oseen viscous flow around cylinder arrays, respectively.
Typical velocity profile of the CNT-air system with driving force of . The dashed line shows the comparison with the solution of cylinder array moving in fluid using Oseen approximation.
Schematic of suggested design for nanotube arrays.
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