Research Article
Effect of Thermal Cycling on Operational Characteristics and Lifetime Prediction of Space Pulse Tube Refrigerator
Figure 5
Operation status of the PTRs in the thermal cycling test: (a, b) 1 W@60 K PTR; (c, d) 5 W@80 K PTR.
(a) |
(b) |
(c) |
(d) |