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PASSIVE METHODS FOR SUPPRESSION OF SOUND RADIATION IN INTEGRATING GYROSCOPES USING A HELMHOLTZ RESONATOR
Abstract
The hypersonic technologies for the means of launching spacecraft into suborbital and near-earth orbits, as well as for unmanned systems, combining both shock qualities and intelligence functions working in very not favorable conditions. The impact of the ultrasonic beam on inertial navigation devices of launching spacecraft , in particular, in a multi-phase, in hypersonic conditions was not investigated. Excess heat that is released during the operation of integrating gyroscopes heats the air outside the housing. A higher temperature increases the speed of sound waves arriving from outside, thereby increasing the amplitude of the acoustic vibration generated in the housing, which leads to an increase in the gyroscope error. The design scheme of the Helmholtz resonator for integrating gyroscopes was constructed and analyzed. The main characteristics of the Helmholtz resonator are determined and tabular data of the necessary quantities for calculating the technical characteristics of the resonator are given. The results of the research can be used to develop passive methods for suppression of sound radiation and increase the accuracy of measuring systems that operating in harsh conditions. The accuracy of the gyroscope also impact on borehole trajectory accuracy and as a result on the quality control in the mining exploration. Very importance of using the correct gyro survey tools in mining exploration projects, because from the their depending accuracy in mining exploration.
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