Study on the Sensitive Mechanism of Fluidic Gyroscope Based on Fluid-solid Coupling

Abstract

Fluid-solid coupling simulation is carried out for the sensitive mechanism of fluidic gyroscope. Based on ANSYS and CFX load transfer of fluid-solid coupling technique to calculate the distribution of flow velocity at heat resistance wires of this gyroscope sensitive element under different input angular velocity. The calculation results show that the flow velocity of the two symmetrical thermal resistance wires is equal at rest; the offset of flow velocity is proportional to the size of the angular velocity of 0°/s to 60°/s. With the increase of the angular velocity, the flow velocity of the two symmetrical thermal resistance wire is also increased. Analysis of fluid-solid coupling provided an effective way for fluidic gyroscope optimization design.