Abstract
Acoustic Gas Thermometry (AGT) is one of the most accurate methods of measuring thermodynamic temperature. The principal work of this research is the design of the measurement platform of AGT with a Pulse tube refrigerator temperatures between 4.2∼20K. The static simulation of the spherical resonator are concluded. Stress checking and heat leakage analysis of the system are emphasized. The system will be experimental used in the future.
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