Mathematical Problems in Engineering / 2019 / Article / Tab 2

Research Article

Effect of Thermal Cycling on Operational Characteristics and Lifetime Prediction of Space Pulse Tube Refrigerator

Table 2

Details of the thermal cycling test profile.

ParametersValues

Heat reject temperature range (K)243–283
Dwell time (h)60
Ramp time (h)24
Ramp rate (K/h)2.08
One cycle time (h)168
Test statusContinuous operation