Linderman, Ryan J. and Nilsen, Oyvind and Bright, Victor M. (2005) Electromechanical and fluidic evaluation of the resonant microfan gas pump and aerosol collector. Sensors and Actuators A: Physical, 118 (1). 162 - 170.
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Official URL: http://www.sciencedirect.com/science/article/B6THG...
This paper reports on the fluidic and electromechanical performance of the resonant microfan as an in-channel gas pump and suspended airborne particle collector. Experiments with parametric resonant fan arrays were performed in order to observe the dependence of the volumetric flow rate in a test channel with respect to changes fan length, resonant frequency and deflection. Flow rates of approximately 10 μl/min were produced by single fans with the flow increasing by 270% for three fans operated simultaneously in the same channel (the capability exists for many fans to be arrayed in a microchannel system). Because optimum operation of microfan series arrays is strongly related to frequency selectivity and non-uniformities in the fabrication process, the mechanical Q-factor was measured in order to estimate the reduction in deflection amplitude that occurs when fans are driven at frequencies slightly off resonance. The Q-factor of several different fan designs ranged from 10 to 43 in a standard air environment. The ability of the microfan to collect and transport suspended airborne particles was also experimentally studied using circular fan edge profiles and laser illumination of particles.
|Uncontrolled Keywords:||Microfan; Pump; Fuel cells; Environmental sensors; Aerosol; Forced convection|
|Subjects:||Analytical Science > Nanotechnology for sensing and actuating|
|Deposited On:||06 Jul 2009 15:43|
|Last Modified:||06 Jul 2009 15:43|
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