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Simulation and Fabrication of a Convective Gyroscope

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4 Author(s)
Dau, V.T. ; Grad. Sch. of Sci. & Eng., Ritsumeikan Univ., Kusatsu ; Dzung Viet Dao ; Shiozawa, T. ; Sugiyama, S.

In this paper, we present the simulation and fabrication of the gas gyroscope. The gas flow inside the hermetically packed sensor is simulated by utilizing 3-D transient compressible flow analysis. The pump working principle and the effect of the Coriolis acceleration on the laminar jet are validated by both analytical formulas and experiments. The sensor utilizes a new sensing element consisting of a thermistor heated by an interior heater, which is independently power-supplied. The sensor performance can be adjusted by the applied voltage on the heater. Both heater and thermistor are optimized in terms of thermal stress. The effect of thermal stress in a p-type silicon thermistor reduces the performance of sensor by 9.5%. The sensor has been calibrated and the role of the heater is verified.

Published in:

Sensors Journal, IEEE  (Volume:8 ,  Issue: 9 )