Development of a Model Depicting Optimum Performance of Liquid Catheter Sensor for Pressure Measurement
نویسنده
چکیده
In this paper the author proposed a model that depicts not only the basic features of liquid catheter sensor but also improvement of those features. The optimum performance of the 2nd order liquid catheter sensor system depends on parameters namely natural frequency of oscillation and damping ratio and two basic features namely high frequency response and flat frequency response. As the system dynamics of the liquid catheter sensor is evolved as closed loop transfer function therefore it is very difficult to design this system with help the of root locus method where the open loop gain is varied to estimate the behavior of the closed loop poles of the system. In this paper the author has used a novel approach of basic vector field method for two dimensional linearized systems. The model clearly indicates the optimum performance criterion of the liquid catheter sensor based on the model proposed by the author. The proposed model not only gives the various dynamic features of liquid catheter sensor but also highlights both inertia controlled and thermally controlled vapor bubble dynamics. Copyright © 2013 IFSA.
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