Peng ZHAO, Zhen-Hua JIANG, Zhi LU, Xiao-Ping QU, Yi-Nong WU. Comparative analysis of in-line and coaxial pulse tube cryocoolers at 90 K[J]. Journal of Infrared and Millimeter Waves, 2022, 41(1): 2021054
- Journal of Infrared and Millimeter Waves
- Vol. 41, Issue 1, 2021054 (2022)
Fig. 1. Schematics for（a）in-line PTC and（b）coaxial PTC
Fig. 2. Pulse tube cryocooler test system
Fig. 3. Enthalpy flows of the two PTCs
Fig. 4. Energy losses of the two PTCs
Fig. 5. The pressure ratio change of the two PTCs
Fig. 6. Compressor efficiency vs. impedance of the two PTCs
Fig. 7. Performance of the two PTCs with different frequencies
Fig. 8. Cooling curve of the two PTCs
Fig. 9. Cooling performance map of the two PTCs
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Table 1. The main dimensions of the two PTCs
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