Abstract
M ICROFLOW sensors composed of a cantilever have been developed by some groups [1,2]. This type of sensor has the following strong points: 1) Lower pressure can be measured as its thickness decreases. 2) It can be used with unsteady motion because inertial force decreases as its thickness decreases. 3) It does not disturb the air around it as does a hot wire. Theoretical analysis estimating the fluid dynamic forces acting on a cantilever (that is, a rectangular solid) is required for checking the characteristics of this sensor. This Note shows the fluid dynamic forces acting on a rectangular solid with various aspect ratios and various thicknesses in Stokes flow, which are obtained numerically.
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